Target type: biologicalprocess
An adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway initiated by an opioid binding to its receptor, and ending with the regulation of a downstream cellular process. [GOC:dph, GOC:mah, GOC:signaling, GOC:tb]
The adenylate cyclase-inhibiting opioid receptor signaling pathway is a complex cascade of events triggered by the binding of opioid ligands to specific G protein-coupled receptors (GPCRs) on the cell surface. This pathway plays a crucial role in mediating the diverse physiological effects of opioids, including analgesia, sedation, euphoria, respiratory depression, and dependence.
Here's a detailed breakdown of the pathway:
1. **Ligand Binding and Receptor Activation:** Opioid ligands, such as morphine, heroin, and endorphins, bind to specific opioid receptors, including the mu (MOR), delta (DOR), and kappa (KOR) receptors. These receptors are GPCRs, characterized by seven transmembrane domains. Upon ligand binding, the receptor undergoes a conformational change, activating its intracellular domain.
2. **G Protein Coupling and Activation:** The activated opioid receptor interacts with a heterotrimeric G protein, specifically the Gi/o protein family. This interaction leads to the dissociation of the G protein into its alpha (α) and beta-gamma (βγ) subunits. The α subunit, now in its active form, possesses intrinsic GTPase activity.
3. **Inhibition of Adenylate Cyclase:** The activated α subunit of the Gi/o protein binds to and inhibits the enzyme adenylate cyclase. Adenylate cyclase is responsible for converting ATP into cyclic adenosine monophosphate (cAMP). By inhibiting adenylate cyclase, opioid receptor activation reduces intracellular cAMP levels.
4. **Downstream Signaling Cascades:** The decrease in cAMP concentration triggers a series of downstream signaling events. This includes:
- **Protein Kinase A (PKA) Inhibition:** cAMP is a potent activator of PKA. Reduced cAMP levels result in decreased PKA activity, affecting its downstream target proteins.
- **Regulation of Ion Channels:** cAMP influences the activity of various ion channels, including potassium and calcium channels. Changes in ion channel conductance contribute to opioid-mediated effects on neuronal excitability.
- **Gene Transcription Regulation:** cAMP acts as a second messenger in signal transduction pathways that regulate gene expression. The reduced cAMP levels affect the expression of specific genes involved in opioid-mediated responses.
5. **Biological Effects:** The overall impact of the adenylate cyclase-inhibiting opioid receptor signaling pathway is to modulate neuronal activity and cellular processes. This results in the diverse physiological effects of opioids, including:
- **Analgesia:** Opioids reduce pain perception by inhibiting the release of excitatory neurotransmitters, such as glutamate and substance P, in the spinal cord and brain.
- **Sedation and Euphoria:** Opioids induce sedation and euphoria by acting on the mesolimbic dopamine pathway, a reward system in the brain.
- **Respiratory Depression:** Opioids suppress respiratory drive by acting on neurons in the brainstem that regulate breathing.
- **Dependence and Tolerance:** Prolonged opioid use can lead to dependence and tolerance. Tolerance develops as the body adapts to the presence of opioids, requiring higher doses for the same effect. Dependence occurs when the body becomes reliant on opioids to function normally.
The adenylate cyclase-inhibiting opioid receptor signaling pathway is a complex and intricate system with significant implications for human health. Understanding this pathway is crucial for developing effective treatments for pain, addiction, and other conditions associated with opioid use.'
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| Protein | Definition | Taxonomy |
|---|---|---|
| Kappa-type opioid receptor | A kappa-type opioid receptor that is encoded in the genome of human. [PRO:WCB, UniProtKB:P41145] | Homo sapiens (human) |
| Compound | Definition | Classes | Roles |
|---|---|---|---|
| bremazocine | |||
| amiodarone | amiodarone : A member of the class of 1-benzofurans that is 1-benzofuran substituted by a butyl group at position 2 and a 4-[2-(diethylamino)ethoxy]-3,5-diiodobenzoyl group at position 3. It is a cardiovascular drug used for the treatment of cardiac dysrhythmias. Amiodarone: An antianginal and class III antiarrhythmic drug. It increases the duration of ventricular and atrial muscle action by inhibiting POTASSIUM CHANNELS and VOLTAGE-GATED SODIUM CHANNELS. There is a resulting decrease in heart rate and in vascular resistance. | 1-benzofurans; aromatic ketone; organoiodine compound; tertiary amino compound | cardiovascular drug |
| astemizole | astemizole : A piperidine compound having a 2-(4-methoxyphenyl)ethyl group at the 1-position and an N-[(4-fluorobenzyl)benzimidazol-2-yl]amino group at the 4-position. Astemizole: Antihistamine drug now withdrawn from the market in many countries because of rare but potentially fatal side effects. | benzimidazoles; piperidines | anti-allergic agent; anticoronaviral agent; H1-receptor antagonist |
| bisacodyl | Bisacodyl: A diphenylmethane stimulant laxative used for the treatment of CONSTIPATION and for bowel evacuation. (From Martindale, The Extra Pharmacopoeia, 30th ed, p871) | diarylmethane | |
| chlorpromazine | chlorpromazine : A substituted phenothiazine in which the ring nitrogen at position 10 is attached to C-3 of an N,N-dimethylpropanamine moiety. Chlorpromazine: The prototypical phenothiazine antipsychotic drug. Like the other drugs in this class chlorpromazine's antipsychotic actions are thought to be due to long-term adaptation by the brain to blocking DOPAMINE RECEPTORS. Chlorpromazine has several other actions and therapeutic uses, including as an antiemetic and in the treatment of intractable hiccup. | organochlorine compound; phenothiazines; tertiary amine | anticoronaviral agent; antiemetic; dopaminergic antagonist; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; phenothiazine antipsychotic drug |
| clotrimazole | conazole antifungal drug; imidazole antifungal drug; imidazoles; monochlorobenzenes | antiinfective agent; environmental contaminant; xenobiotic | |
| disulfiram | organic disulfide; organosulfur acaricide | angiogenesis inhibitor; antineoplastic agent; apoptosis inducer; EC 1.2.1.3 [aldehyde dehydrogenase (NAD(+))] inhibitor; EC 3.1.1.1 (carboxylesterase) inhibitor; EC 3.1.1.8 (cholinesterase) inhibitor; EC 5.99.1.2 (DNA topoisomerase) inhibitor; ferroptosis inducer; fungicide; NF-kappaB inhibitor | |
| domperidone | domperidone : 1-[3-(Piperidin-1-yl)propyl]-1,3-dihydro-2H-benzimidazol-2-one in which the 4-position of the piperidine ring is substituted by a 5-chloro-1,3-dihydro-2H-benzimidazol-2-on-1-yl group. A dopamine antagonist, it is used as an antiemetic for the short-term treatment of nausea and vomiting, and to control gastrointestinal effects of dopaminergic drugs given in the management of parkinsonism. The free base is used in oral suspensions, while the maleate salt is used in tablet preparations. Domperidone: A specific blocker of dopamine receptors. It speeds gastrointestinal peristalsis, causes prolactin release, and is used as antiemetic and tool in the study of dopaminergic mechanisms. | benzimidazoles; heteroarylpiperidine | antiemetic; dopaminergic antagonist |
| econazole | 1-{2-(4-chlorobenzyloxy)-2-(2,4-dichlorophenyl)ethyl}imidazole : A member of the class of imidazoles that is 1-(2,4-dichlorophenyl)-2-(imidazol-1-yl)ethanol in which the hydroxyl hydrogen is replaced by a 4-chlorobenzyl group. econazole : A racemate composed of equimolar amounts of (R)- and (S)-econazole. Used (as its nitrate salt) to treat skin infections such as athlete's foot, jock itch, ringworm and other fungal skin infections. Econazole: An imidazole derivative that is commonly used as a topical antifungal agent. | dichlorobenzene; ether; imidazoles; monochlorobenzenes | |
| fentanyl | fentanyl : A monocarboxylic acid amide resulting from the formal condensation of the aryl amino group of N-phenyl-1-(2-phenylethyl)piperidin-4-amine with propanoic acid. Fentanyl: A potent narcotic analgesic, abuse of which leads to habituation or addiction. It is primarily a mu-opioid agonist. Fentanyl is also used as an adjunct to general anesthetics, and as an anesthetic for induction and maintenance. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1078) | anilide; monocarboxylic acid amide; piperidines | adjuvant; anaesthesia adjuvant; anaesthetic; intravenous anaesthetic; mu-opioid receptor agonist; opioid analgesic |
| fluphenazine | N-alkylpiperazine; organofluorine compound; phenothiazines | anticoronaviral agent; dopaminergic antagonist; phenothiazine antipsychotic drug | |
| fluspirilene | Fluspirilene: A long-acting injectable antipsychotic agent used for chronic schizophrenia. | diarylmethane | |
| gr 89696 | GR 89696: a potent & selective kappa opioid receptor agonist; RN given refers to (E)-2-butenedioate(1:1); RN for parent cpd not available 11/92; GR 103545 is the (R)-isomer | acetamides | |
| haloprogin | haloprogin: minor descriptor (73-86); on-line & INDEX MEDICUS search PHENYL ETHERS (73-86) | aromatic ether | |
| ici 204448 | ICI 204448: kappa opioid receptor agonist; structure given in first source | monocarboxylic acid | |
| loperamide | loperamide : A synthetic piperidine derivative, effective against diarrhoea resulting from gastroenteritis or inflammatory bowel disease. Loperamide: One of the long-acting synthetic ANTIDIARRHEALS; it is not significantly absorbed from the gut, and has no effect on the adrenergic system or central nervous system, but may antagonize histamine and interfere with acetylcholine release locally. | monocarboxylic acid amide; monochlorobenzenes; piperidines; tertiary alcohol | anticoronaviral agent; antidiarrhoeal drug; mu-opioid receptor agonist |
| meperidine | Meperidine: A narcotic analgesic that can be used for the relief of most types of moderate to severe pain, including postoperative pain and the pain of labor. Prolonged use may lead to dependence of the morphine type; withdrawal symptoms appear more rapidly than with morphine and are of shorter duration. pethidine : A piperidinecarboxylate ester that is piperidine which is substituted by a methyl group at position 1 and by phenyl and ethoxycarbonyl groups at position 4. It is an analgesic which is used for the treatment of moderate to severe pain, including postoperative pain and labour pain. | ethyl ester; piperidinecarboxylate ester; tertiary amino compound | antispasmodic drug; kappa-opioid receptor agonist; mu-opioid receptor agonist; opioid analgesic |
| methadone | 6-(dimethylamino)-4,4-diphenylheptan-3-one : A ketone that is heptan-3-one substituted by a dimethylamino group at position 6 and two phenyl groups at position 4. methadone : A racemate comprising equimolar amounts of dextromethadone and levomethadone. It is a opioid analgesic which is used as a painkiller and as a substitute for heroin in the treatment of heroin addiction. Methadone: A synthetic opioid that is used as the hydrochloride. It is an opioid analgesic that is primarily a mu-opioid agonist. It has actions and uses similar to those of MORPHINE. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1082-3) | benzenes; diarylmethane; ketone; tertiary amino compound | |
| miconazole | 1-[2-(2,4-dichlorobenzyloxy)-2-(2,4-dichlorophenyl)ethyl]imidazole : A member of the class of imidazoles that is 1-(2,4-dichlorophenyl)-2-(imidazol-1-yl)ethanol in which the hydroxyl hydrogen is replaced by a 2,4-dichlorobenzyl group. miconazole : A racemate composed of equimolar amounts of (R)- and (S)-miconazole. Used (as its nitrate salt) to treat skin infections such as athlete's foot, jock itch, ringworm and other fungal skin infections. It inhibits the synthesis of ergosterol, a critical component of fungal cell membranes. Miconazole: An imidazole antifungal agent that is used topically and by intravenous infusion. | dichlorobenzene; ether; imidazoles | |
| pyridoxal phosphate-6-azophenyl-2',4'-disulfonic acid | 5'-phosphopyridoxal-6-azobenzene-2,4-disulfonic acid : An arenesulfonic acid that is pyridoxal 5'-phosphate carrying an additional 2,4-disulfophenylazo substituent at position 6. pyridoxal phosphate-6-azophenyl-2',4'-disulfonic acid: a novel antagonist that selectively blocks P2 purinoceptor receptors; a useful tool to study co-transmission in tissues when ATP and coexisting neurotransmitters act in concert | arenesulfonic acid; azobenzenes; methylpyridines; monohydroxypyridine; organic phosphate; pyridinecarbaldehyde | purinergic receptor P2X antagonist |
| propranolol | propranolol : A propanolamine that is propan-2-ol substituted by a propan-2-ylamino group at position 1 and a naphthalen-1-yloxy group at position 3. Propranolol: A widely used non-cardioselective beta-adrenergic antagonist. Propranolol has been used for MYOCARDIAL INFARCTION; ARRHYTHMIA; ANGINA PECTORIS; HYPERTENSION; HYPERTHYROIDISM; MIGRAINE; PHEOCHROMOCYTOMA; and ANXIETY but adverse effects instigate replacement by newer drugs. | naphthalenes; propanolamine; secondary amine | anti-arrhythmia drug; antihypertensive agent; anxiolytic drug; beta-adrenergic antagonist; environmental contaminant; human blood serum metabolite; vasodilator agent; xenobiotic |
| raloxifene | raloxifene : A member of the class of 1-benzothiophenes that is 1-benzothiophene in which the hydrogens at positions 2, 3, and 6 have been replaced by p-hydroxyphenyl, p-[2-(piperidin-1-yl)ethoxy]benzoyl, and hydroxy groups, respectively. | 1-benzothiophenes; aromatic ketone; N-oxyethylpiperidine; phenols | bone density conservation agent; estrogen antagonist; estrogen receptor modulator |
| suramin | suramin : A member of the class of phenylureas that is urea in which each of the amino groups has been substituted by a 3-({2-methyl-5-[(4,6,8-trisulfo-1-naphthyl)carbamoyl]phenyl}carbamoyl)phenyl group. An activator of both the rabbit skeletal muscle RyR1 and sheep cardiac RyR2 isoform ryanodine receptor channels, it has been used for the treatment of human African trypanosomiasis for over 100 years. Suramin: A polyanionic compound with an unknown mechanism of action. It is used parenterally in the treatment of African trypanosomiasis and it has been used clinically with diethylcarbamazine to kill the adult Onchocerca. (From AMA Drug Evaluations Annual, 1992, p1643) It has also been shown to have potent antineoplastic properties. | naphthalenesulfonic acid; phenylureas; secondary carboxamide | angiogenesis inhibitor; antinematodal drug; antineoplastic agent; apoptosis inhibitor; EC 2.7.11.13 (protein kinase C) inhibitor; GABA antagonist; GABA-gated chloride channel antagonist; purinergic receptor P2 antagonist; ryanodine receptor agonist; trypanocidal drug |
| thioridazine | thioridazine : A phenothiazine derivative having a methylsulfanyl subsitituent at the 2-position and a (1-methylpiperidin-2-yl)ethyl] group at the N-10 position. Thioridazine: A phenothiazine antipsychotic used in the management of PHYCOSES, including SCHIZOPHRENIA. | phenothiazines; piperidines | alpha-adrenergic antagonist; dopaminergic antagonist; EC 1.8.1.12 (trypanothione-disulfide reductase) inhibitor; EC 3.4.21.26 (prolyl oligopeptidase) inhibitor; first generation antipsychotic; H1-receptor antagonist; serotonergic antagonist |
| ultram | 2-[(dimethylamino)methyl]-1-(3-methoxyphenyl)cyclohexanol : A tertiary alcohol that is cyclohexanol substituted at positions 1 and 2 by 3-methoxyphenyl and dimethylaminomethyl groups respectively. | aromatic ether; tertiary alcohol; tertiary amino compound | |
| ethinyl estradiol | 17alpha-ethynylestradiol : A 3-hydroxy steroid that is estradiol substituted by a ethynyl group at position 17. It is a xenoestrogen synthesized from estradiol and has been shown to exhibit high estrogenic potency on oral administration. Ethinyl Estradiol: A semisynthetic alkylated ESTRADIOL with a 17-alpha-ethinyl substitution. It has high estrogenic potency when administered orally, and is often used as the estrogenic component in ORAL CONTRACEPTIVES. | 17-hydroxy steroid; 3-hydroxy steroid; terminal acetylenic compound | xenoestrogen |
| adenosine diphosphate | Adenosine Diphosphate: Adenosine 5'-(trihydrogen diphosphate). An adenine nucleotide containing two phosphate groups esterified to the sugar moiety at the 5'-position. | adenosine 5'-phosphate; purine ribonucleoside 5'-diphosphate | fundamental metabolite; human metabolite |
| dibenzothiazyl disulfide | dibenzothiazol-2-yl disulfide : An organic disulfide resulting from the formal oxidative coupling of the thiol groups of two molecules of 1,3-benzothiazole-2-thiol. It is used as an accelerator in the rubber industry. dibenzothiazyl disulfide: vulcanizing accelerant | benzothiazoles; organic disulfide | allergen |
| catechin | (+)-catechin : The (+)-enantiomer of catechin and a polyphenolic antioxidant plant metabolite. catechin : Members of the class of hydroxyflavan that have a flavan-3-ol skeleton and its substituted derivatives. Catechin: An antioxidant flavonoid, occurring especially in woody plants as both (+)-catechin and (-)-epicatechin (cis) forms. rac-catechin : A racemate comprising equimolar amounts of (+)- and (-)-catechin | catechin | antioxidant; plant metabolite |
| indopan | alpha-methyltryptamine : A tryptamine derivative having a methyl substituent at the alpha-position. indopan: RN given refers to parent cpd without isomeric designation | tryptamines | |
| gentian violet | crystal violet : An organic chloride salt that is the monochloride salt of crystal violet cation. It has been used in creams for the topical treatment of bacterial and fungal infections, being effective against some Gram-positive bacteria (notably Staphylococcus species) and some pathogenic fungi (including Candida species) but use declined following reports of animal carcinogenicity. It has also been used for dying wood, silk, and paper, as well as a histological stain. Gentian Violet: A dye that is a mixture of violet rosanilinis with antibacterial, antifungal, and anthelmintic properties. | organic chloride salt | anthelminthic drug; antibacterial agent; antifungal agent; antiseptic drug; histological dye |
| pimozide | pimozide : A member of the class of benzimidazoles that is 1,3-dihydro-2H-benzimidazol-2-one in which one of the nitrogens is substituted by a piperidin-4-yl group, which in turn is substituted on the nitrogen by a 4,4-bis(p-fluorophenyl)butyl group. Pimozide: A diphenylbutylpiperidine that is effective as an antipsychotic agent and as an alternative to HALOPERIDOL for the suppression of vocal and motor tics in patients with Tourette syndrome. Although the precise mechanism of action is unknown, blockade of postsynaptic dopamine receptors has been postulated. (From AMA Drug Evaluations Annual, 1994, p403) | benzimidazoles; heteroarylpiperidine; organofluorine compound | antidyskinesia agent; dopaminergic antagonist; first generation antipsychotic; H1-receptor antagonist; serotonergic antagonist |
| cyclazocine | Cyclazocine: An analgesic with mixed narcotic agonist-antagonist properties. | ||
| danazol | Danazol: A synthetic steroid with antigonadotropic and anti-estrogenic activities that acts as an anterior pituitary suppressant by inhibiting the pituitary output of gonadotropins. It possesses some androgenic properties. Danazol has been used in the treatment of endometriosis and some benign breast disorders. | 17beta-hydroxy steroid; terminal acetylenic compound | anti-estrogen; estrogen antagonist; geroprotector |
| penfluridol | Penfluridol: One of the long-acting ANTIPSYCHOTIC AGENTS used for maintenance or long-term therapy of SCHIZOPHRENIA and other PSYCHOTIC DISORDERS. | diarylmethane | |
| tramadol | (R,R)-tramadol : A 2-[(dimethylamino)methyl]-1-(3-methoxyphenyl)cyclohexanol in which both stereocentres have R-configuration; the (R,R)-enantiomer of the racemic opioid analgesic tramadol, it exhibits ten-fold higher analgesic potency than the (S,S)-enantiomer. tramadol : A racemate consisting of equal amounts of (R,R)- and (S,S)-tramadol. A centrally acting synthetic opioid analgesic, used (as the hydrochloride salt) to treat moderately severe pain. The (R,R)-enantiomer exhibits ten-fold higher analgesic potency than the (S,S)-enantiomer. Originally developed by Gruenenthal GmbH and launched in 1977, it was subsequently isolated from the root bark of the South African tree Nauclea latifolia. Tramadol: A narcotic analgesic proposed for severe pain. It may be habituating. | 2-[(dimethylamino)methyl]-1-(3-methoxyphenyl)cyclohexanol | adrenergic uptake inhibitor; antitussive; capsaicin receptor antagonist; delta-opioid receptor agonist; kappa-opioid receptor agonist; metabolite; mu-opioid receptor agonist; muscarinic antagonist; nicotinic antagonist; NMDA receptor antagonist; opioid analgesic; serotonergic antagonist; serotonin uptake inhibitor |
| mifepristone | Mifepristone: A progestational and glucocorticoid hormone antagonist. Its inhibition of progesterone induces bleeding during the luteal phase and in early pregnancy by releasing endogenous prostaglandins from the endometrium or decidua. As a glucocorticoid receptor antagonist, the drug has been used to treat hypercortisolism in patients with nonpituitary CUSHING SYNDROME. | 3-oxo-Delta(4) steroid; acetylenic compound; tertiary amino compound | abortifacient; contraceptive drug; hormone antagonist; synthetic oral contraceptive |
| spiradoline | spiradoline: RN given refers to (5alpha,7alpha,8beta)-(+-)-isomer; structure given in first source | ||
| enadoline | enadoline: kappa-opioid receptor agonist; RN given refers to cpd without isomeric designation; PD 129290 (CAM 570; CI 977) is the S,S(-)-enantiomer; PD 129289 (CAM 569) is the corresponding R,R(+)-enantiomer | ||
| carfentanil | carfentanil : A monocarboxylic acid amide resulting from the formal condensation of the aryl amino group of methyl 4-anilino-1-(2-phenylethyl)piperidine-4-carboxylate with propanoic acid. | methyl ester; piperidines; tertiary amino compound; tertiary carboxamide | mu-opioid receptor agonist; opioid analgesic; tranquilizing drug |
| nelfinavir | nelfinavir : An aryl sulfide that is used (as its mesylate salt) for treatment of HIV and also exhibits some anticancer properties. Nelfinavir: A potent HIV protease inhibitor. It is used in combination with other antiviral drugs in the treatment of HIV in both adults and children. | aryl sulfide; benzamides; organic heterobicyclic compound; phenols; secondary alcohol; tertiary amino compound | antineoplastic agent; HIV protease inhibitor |
| loperamide hydrochloride | loperamide hydrochloride : A hydrochloride obtained by combining loperamide with one equivalent of hydrochloric acid. Used for treatment of diarrhoea resulting from gastroenteritis or inflammatory bowel disease. | hydrochloride | anticoronaviral agent; antidiarrhoeal drug; mu-opioid receptor agonist |
| gallocatechol | (-)-epigallocatechin : A flavan-3,3',4',5,5',7-hexol having (2R,3R)-configuration. | catechin; flavan-3,3',4',5,5',7-hexol | antioxidant; food component; plant metabolite |
| hesperetin | 3'-hydroxyflavanones; 4'-methoxyflavanones; monomethoxyflavanone; trihydroxyflavanone | antineoplastic agent; antioxidant; plant metabolite | |
| (-)-catechin | (-)-catechin : The (-)-enantiomer of catechin. | catechin | metabolite |
| alpha,beta-methyleneadenosine 5'-triphosphate | alpha,beta-methyleneadenosine 5'-triphosphate: do not confuse with beta,gamma-methylene ATP; RN given refers to parent cpd | nucleoside triphosphate analogue | |
| enkephalin, d-penicillamine (2,5)- | DPDPE : A heterodetic cyclic peptide that is a cyclic enkephalin analogue, having D-penicillaminyl residues located at positions 2 and 5, which form the heterocycle via a disulfide bond. Enkephalin, D-Penicillamine (2,5)-: A disulfide opioid pentapeptide that selectively binds to the DELTA OPIOID RECEPTOR. It possesses antinociceptive activity. | heterodetic cyclic peptide | delta-opioid receptor agonist |
| vanoxerine | vanoxerine dihydrochloride : A hydrochloride salt that is obtained by reaction of vanoxerine with two equivalents of hydrogen chloride. Potent, competitive inhibitor of dopamine uptake (Ki = 1 nM for inhibition of striatal dopamine uptake). Has > 100-fold lower affinity for the noradrenalin and 5-HT uptake carriers. Also a potent sigma ligand (IC50 = 48 nM). Centrally active following systemic administration. | hydrochloride | dopamine uptake inhibitor |
| u 69593 | U 69593: selective ligand for opioid K-receptor U69593 : A monocarboxylic acid amide obtained by formal condensation between the carboxy group of phenylacetic acid and the secodary amino group of (5R,7S,8S)-N-methyl-7-(pyrrolidin-1-yl)-1-oxaspiro[4.5]decan-8-amine. | monocarboxylic acid amide; N-alkylpyrrolidine; organic heterobicyclic compound; oxaspiro compound | anti-inflammatory agent; diuretic; kappa-opioid receptor agonist |
| gr 127935 | GR 127935 : A member of the class of benzamides obtained by formal condensation of the carboxy group of 2'-methyl-4'-(5-methyl-1,2,4-oxadiazol-3-yl)biphenyl-4-carboxylic acid and the anilino group of 4-methoxy-3-(4-methylpiperazin-1-yl)aniline. Potent and selective 5-HT1B/1D receptor antagonist (pKi values are 8.5 for both guinea pig 5-HT1D and rat 5-HT1B receptors). Displays > 100-fold selectivity over 5HT1A, 5-HT2A, 5-HT2C receptors and other receptor types. Centrally active following oral administration. GR 127935: a 5-HT 1D receptor antagonist | 1,2,4-oxadiazole; benzamides; N-alkylpiperazine; N-arylpiperazine | |
| epicatechin gallate | (-)-epicatechin-3-O-gallate : A gallate ester obtained by formal condensation of the carboxy group of gallic acid with the (3R)-hydroxy group of epicatechin. A natural product found in Parapiptadenia rigida. epicatechin gallate: a steroid 5alpha-reductase inhibitor; RN given refers to the (cis)-isomer; structure given in first source; isolated from green tea | catechin; gallate ester; polyphenol | EC 3.2.1.1 (alpha-amylase) inhibitor; EC 3.2.1.20 (alpha-glucosidase) inhibitor; metabolite |
| tifluadom | tifluadom: acts on opiate receptors; structure given in first source | benzodiazepine | |
| bw 373u86 | BW 373U86: a nonpeptidic delta opioid receptor agonist | diarylmethane | |
| enkephalin-leu, arg(6)- | |||
| tyrosyl-arginyl-phenylalanyl-lysinamide | tyrosyl-arginyl-phenylalanyl-lysinamide: dermorphin analog | ||
| met-enkephalinamide | |||
| 4-(alpha-(4-allyl-2,5-dimethyl-1-piperazinyl)-3-methoxybenzyl)-n,n-diethylbenzamide | 4-(alpha-(4-allyl-2,5-dimethyl-1-piperazinyl)-3-methoxybenzyl)-N,N-diethylbenzamide: a highly-selective, nonpeptide delta opioid receptor agonist; structure given in first source | diarylmethane | |
| 4-methoxymethylfentanyl | 4-methoxymethylfentanyl: structure given in first source | ||
| salvinorin a | salvinorin A: from the herb, Salvia divinorum | organic heterotricyclic compound; organooxygen compound | metabolite; oneirogen |
| ly 99335, (3r-cis)-isomer | |||
| ly 106737 | LY 106737: RN given refers to (cis(+-)-isomer); structure given in first source | ||
| 3,4-dichloro-n-methyl-n-(2-(1-pyrrolidinyl)cyclohexyl)-benzeneacetamide, (trans)-(+-)-isomer | |||
| 4'-hydroxyflavanone | 4'-hydroxyflavanone: structure in first source 4'-hydroxyflavanones : Any hydroxyflavanone having a hydroxy substituent located at position 4'. | 4'-hydroxyflavanones; monohydroxyflavanone | |
| asimadoline | asimadoline: structure in first source | ||
| nantenine, (+-)-isomer | |||
| (+)-epicatechin | (+)-epicatechin : A catechin that is flavan carrying five hydroxy substituents at positions 3, 3', 4', 5 and 7 (the 2S,3S-stereoisomer). | catechin; polyphenol | cyclooxygenase 1 inhibitor; plant metabolite |
| n-methyl-n-(1-phenyl-2-(1-pyrrolidinyl)ethyl)phenylacetamide | N-methyl-N-(1-phenyl-2-(1-pyrrolidinyl)ethyl)phenylacetamide: structure given in first source | ||
| ritonavir | ritonavir : An L-valine derivative that is L-valinamide in which alpha-amino group has been acylated by a [(2-isopropyl-1,3-thiazol-4-yl)methyl]methylcarbamoyl group and in which a hydrogen of the carboxamide amino group has been replaced by a (2R,4S,5S)-4-hydroxy-1,6-diphenyl-5-{[(1,3-thiazol-5-ylmethoxy)carbonyl]amino}hexan-2-yl group. A CYP3A inhibitor and antiretroviral drug from the protease inhibitor class used to treat HIV infection and AIDS, it is often used as a fixed-dose combination with another protease inhibitor, lopinavir. Also used in combination with dasabuvir sodium hydrate, ombitasvir and paritaprevir (under the trade name Viekira Pak) for treatment of chronic hepatitis C virus genotype 1 infection as well as cirrhosis of the liver. Ritonavir: An HIV protease inhibitor that works by interfering with the reproductive cycle of HIV. It also inhibits CYTOCHROME P-450 CYP3A. | 1,3-thiazoles; carbamate ester; carboxamide; L-valine derivative; ureas | antiviral drug; environmental contaminant; HIV protease inhibitor; xenobiotic |
| naringenin | (S)-naringenin : The (S)-enantiomer of naringenin. | (2S)-flavan-4-one; naringenin | expectorant; plant metabolite |
| taxifolin | (+)-taxifolin : A taxifolin that has (2R,3R)-configuration. | taxifolin | metabolite |
| adenosine 5'-o-(3-thiotriphosphate) | adenosine 5'-[gamma-thio]triphosphate : A nucleoside triphosphate analogue that is ATP in which one of the oxygens attached to 3-phosphate group is replaced by sulfur. adenosine 5'-O-(3-thiotriphosphate): RN given refers to cpd with unspecified locant for thio group; see also records for 1-thio & 2-thio-isomers | nucleoside triphosphate analogue | |
| saquinavir | saquinavir : An aspartic acid derivative obtained by formal condensation of the primary amino group of (2S,3R)-4-[(3S,4aS,8aS)-3-(tert-butylcarbamoyl)octahydroisoquinolin-2(1H)-yl]-3-hydroxy-1-phenylbutan-2-ylamine with the carboxy group of N(2)(-quinolin-2-ylcarbonyl)-L-asparagine. An inhibitor of HIV-1 protease. Saquinavir: An HIV protease inhibitor which acts as an analog of an HIV protease cleavage site. It is a highly specific inhibitor of HIV-1 and HIV-2 proteases, and also inhibits CYTOCHROME P-450 CYP3A. | L-asparagine derivative; quinolines | antiviral drug; HIV protease inhibitor |
| pentazocine | Pentazocine: The first mixed agonist-antagonist analgesic to be marketed. It is an agonist at the kappa and sigma opioid receptors and has a weak antagonist action at the mu receptor. (From AMA Drug Evaluations Annual, 1991, p97) | benzazocine | |
| enkephalin, methionine | pentapeptide; peptide zwitterion | analgesic; antineoplastic agent; delta-opioid receptor agonist; human metabolite; mu-opioid receptor agonist | |
| diprenorphine | Diprenorphine: A narcotic antagonist similar in action to NALOXONE. It is used to remobilize animals after ETORPHINE neuroleptanalgesia and is considered a specific antagonist to etorphine. | morphinane alkaloid | |
| diethylstilbestrol | diethylstilbestrol : An olefinic compound that is trans-hex-3-ene in which the hydrogens at positions 3 and 4 have been replaced by p-hydroxyphenyl groups. Diethylstilbestrol: A synthetic nonsteroidal estrogen used in the treatment of menopausal and postmenopausal disorders. It was also used formerly as a growth promoter in animals. According to the Fourth Annual Report on Carcinogens (NTP 85-002, 1985), diethylstilbestrol has been listed as a known carcinogen. (Merck, 11th ed) | olefinic compound; polyphenol | antifungal agent; antineoplastic agent; autophagy inducer; calcium channel blocker; carcinogenic agent; EC 1.1.1.146 (11beta-hydroxysteroid dehydrogenase) inhibitor; EC 3.6.3.10 (H(+)/K(+)-exchanging ATPase) inhibitor; endocrine disruptor; xenoestrogen |
| enkephalin, leucine | Enkephalin, Leucine: One of the endogenous pentapeptides with morphine-like activity. It differs from MET-ENKEPHALIN in the LEUCINE at position 5. Its first four amino acid sequence is identical to the tetrapeptide sequence at the N-terminal of BETA-ENDORPHIN. Leu-enkephalin : A pentapeptide comprising L-tyrosine, glycine, glycine, L-phenylalanine and L-leucine residues joined in sequence by peptide linkages. It is an endogenous opioid peptide produced in vertebrate species, including rodents, primates and humans that results from decomposition of proenkephalin or dynorphin and exhibits antinociceptive properties. | pentapeptide; peptide zwitterion | analgesic; delta-opioid receptor agonist; human metabolite; mu-opioid receptor agonist; neurotransmitter; rat metabolite |
| cannabidiol | cannabidiol : An cannabinoid that is cyclohexene which is substituted by a methyl group at position 1, a 2,6-dihydroxy-4-pentylphenyl group at position 3, and a prop-1-en-2-yl group at position 4. Cannabidiol: Compound isolated from Cannabis sativa extract. | olefinic compound; phytocannabinoid; resorcinols | antimicrobial agent; plant metabolite |
| buprenorphine | buprenorphine : A morphinane alkaloid that is 7,8-dihydromorphine 6-O-methyl ether in which positions 6 and 14 are joined by a -CH2CH2- bridge, one of the hydrogens of the N-methyl group is substituted by cyclopropyl, and a hydrogen at position 7 is substituted by a 2-hydroxy-3,3-dimethylbutan-2-yl group. It is highly effective for the treatment of opioid use disorder and is also increasingly being used in the treatment of chronic pain. Buprenorphine: A derivative of the opioid alkaloid THEBAINE that is a more potent and longer lasting analgesic than MORPHINE. It appears to act as a partial agonist at mu and kappa opioid receptors and as an antagonist at delta receptors. The lack of delta-agonist activity has been suggested to account for the observation that buprenorphine tolerance may not develop with chronic use. | morphinane alkaloid | delta-opioid receptor antagonist; kappa-opioid receptor antagonist; mu-opioid receptor agonist; opioid analgesic |
| etorphine | alcohol; morphinane alkaloid | opioid analgesic; opioid receptor agonist; sedative | |
| 4-methyl-N-[1-[2-(1-pyrrolidinyl)ethyl]-2-benzimidazolyl]benzamide | benzimidazoles | ||
| tamoxifen | stilbenoid; tertiary amino compound | angiogenesis inhibitor; antineoplastic agent; bone density conservation agent; EC 1.2.3.1 (aldehyde oxidase) inhibitor; EC 2.7.11.13 (protein kinase C) inhibitor; estrogen antagonist; estrogen receptor antagonist; estrogen receptor modulator | |
| hirsutine, (16e,20beta)-isomer | alkaloid | metabolite | |
| mitragynine | monoterpenoid indole alkaloid | ||
| u-50488 | 3,4-Dichloro-N-methyl-N-(2-(1-pyrrolidinyl)-cyclohexyl)-benzeneacetamide, (trans)-Isomer: A non-peptide, kappa-opioid receptor agonist which has also been found to stimulate the release of adrenocorticotropin (ADRENOCORTICOTROPIC HORMONE) via the release of hypothalamic arginine vasopressin (ARGININE VASOPRESSIN) and CORTICOTROPIN-RELEASING HORMONE. (From J Pharmacol Exp Ther 1997;280(1):416-21) U50488 : A monocarboxylic acid amide obtained by formal condensation between the carboxy group of 3,4-dichlorophenylacetic acid and the secondary amino group of (1R,2R)-N-methyl-2-(pyrrolidin-1-yl)cyclohexanamine | dichlorobenzene; monocarboxylic acid amide; N-alkylpyrrolidine | analgesic; antitussive; calcium channel blocker; diuretic; kappa-opioid receptor agonist |
| paynantheine | paynantheine: structure in first source | ||
| metazocine | |||
| ketazocine | ketazocine: RN given refers to parent cpd(2S-(2alpha,6alpha,11S*))-isomer | ||
| dynorphin (1-17) | |||
| ici 199441 | acetamides | ||
| dynorphin (1-11) | |||
| 4-[[(4-methylphenyl)sulfonylamino]methyl]-N-[2-[(phenylmethyl)-propan-2-ylamino]ethyl]benzamide | sulfonamide | ||
| brl 52537 | acetamides | ||
| apigenin | Chamomile: Common name for several daisy-like plants (MATRICARIA; TRIPLEUROSPERMUM; ANTHEMIS; CHAMAEMELUM) native to Europe and Western Asia, now naturalized in the United States and Australia. | trihydroxyflavone | antineoplastic agent; metabolite |
| amentoflavone | biflavonoid; hydroxyflavone; ring assembly | angiogenesis inhibitor; antiviral agent; cathepsin B inhibitor; P450 inhibitor; plant metabolite | |
| hyperoside | quercetin 3-O-beta-D-galactopyranoside : A quercetin O-glycoside that is quercetin with a beta-D-galactosyl residue attached at position 3. Isolated from Artemisia capillaris, it exhibits hepatoprotective activity. | beta-D-galactoside; monosaccharide derivative; quercetin O-glycoside; tetrahydroxyflavone | hepatoprotective agent; plant metabolite |
| 4',7-dihydroxyflavone | 4',7-dihydroxyflavone : A dihydroxyflavone in which the two hydroxy substituents are located at positions 4' and 7. 4',7-dihydroxyflavone: inducer of nod gene | dihydroxyflavone | metabolite |
| flunarizine hydrochloride | diarylmethane | ||
| codeine | morphinane alkaloid; organic heteropentacyclic compound | antitussive; drug allergen; environmental contaminant; opioid analgesic; opioid receptor agonist; prodrug; xenobiotic | |
| hydrocodone | hydrocodone : A morphinane-like compound that is a semi-synthetic opioid synthesized from codeine. Hydrocodone: Narcotic analgesic related to CODEINE, but more potent and more addicting by weight. It is used also as cough suppressant. | morphinane-like compound; organic heteropentacyclic compound | antitussive; mu-opioid receptor agonist; opioid analgesic |
| hydromorphone | hydromorphone : A morphinane alkaloid that is a hydrogenated ketone derivative of morphine. A semi-synthetic drug, it is a centrally acting pain medication of the opioid class. Hydromorphone: An opioid analgesic made from MORPHINE and used mainly as an analgesic. It has a shorter duration of action than morphine. | morphinane alkaloid; organic heteropentacyclic compound | mu-opioid receptor agonist; opioid analgesic |
| nalmefene | nalmefene: RN given refers to 5-alpha isomer | morphinane alkaloid | |
| nalorphine | Nalorphine: A narcotic antagonist with some agonist properties. It is an antagonist at mu opioid receptors and an agonist at kappa opioid receptors. Given alone it produces a broad spectrum of unpleasant effects and it is considered to be clinically obsolete. | morphinane alkaloid | |
| naloxone | naloxone : A synthetic morphinane alkaloid that is morphinone in which the enone double bond has been reduced to a single bond, the hydrogen at position 14 has been replaced by a hydroxy group, and the methyl group attached to the nitrogen has been replaced by an allyl group. A specific opioid antagonist, it is used (commonly as its hydrochloride salt) to reverse the effects of opioids, both following their use of opioids during surgery and in cases of known or suspected opioid overdose. Naloxone: A specific opiate antagonist that has no agonist activity. It is a competitive antagonist at mu, delta, and kappa opioid receptors. | morphinane alkaloid; organic heteropentacyclic compound; tertiary alcohol | antidote to opioid poisoning; central nervous system depressant; mu-opioid receptor antagonist |
| oxycodone | oxycodone : A semisynthetic opioid of formula C18H21NO4 that is derived from thebaine. It is a moderately potent opioid analgesic, generally used for relief of moderate to severe pain. Oxycodone: A semisynthetic derivative of CODEINE. | organic heteropentacyclic compound; semisynthetic derivative | antitussive; mu-opioid receptor agonist; opioid analgesic |
| oxymorphone | Oxymorphone: An opioid analgesic with actions and uses similar to those of MORPHINE, apart from an absence of cough suppressant activity. It is used in the treatment of moderate to severe pain, including pain in obstetrics. It may also be used as an adjunct to anesthesia. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1092) | morphinane alkaloid | |
| morphine | Meconium: The thick green-to-black mucilaginous material found in the intestines of a full-term fetus. It consists of secretions of the INTESTINAL GLANDS; BILE PIGMENTS; FATTY ACIDS; AMNIOTIC FLUID; and intrauterine debris. It constitutes the first stools passed by a newborn. | morphinane alkaloid; organic heteropentacyclic compound; tertiary amino compound | anaesthetic; drug allergen; environmental contaminant; geroprotector; mu-opioid receptor agonist; opioid analgesic; plant metabolite; vasodilator agent; xenobiotic |
| 2-methylthio-atp | 2-methylthio-ATP: purinergic receptors agonist; relaxes mammalian gut preparations; structure given in first source | ||
| 7-benzylidenenaltrexone | 7-benzylidenenaltrexone: structure given in first source; a highly selective delta1-opioid receptor antagonist | phenanthrenes | |
| alpha-neoendorphin | alpha-neoendorphin: precursor or leucine enkephalin family | ||
| beta-funaltrexamine | beta-funaltrexamine: RN given refers to parent cpd(E)-isomer; structure given in first source | morphinane alkaloid | |
| endomorphin 1 | endomorphin 1: isolated from bovine brain | oligopeptide | |
| endomorphin 2 | endomorphin 2: isolated from bovine brain | ||
| j 113397 | J 113397: an opioid receptor-like 1 (ORL1), orphanin FQ, and nociceptin receptor antagonist; structure in first source | ||
| l 745870 | 3-((4-(4-chlorophenyl)piperazin-1-yl)methyl)-1H-pyrrolo(2,3-b)pyridine: selective for D(4) receptors; structure in first source | piperazines | |
| nalbuphine | Nalbuphine: A narcotic used as a pain medication. It appears to be an agonist at KAPPA RECEPTORS and an antagonist or partial agonist at MU RECEPTORS. | organic heteropentacyclic compound | mu-opioid receptor antagonist; opioid analgesic |
| n-(4-amino-2-methylquinolin-6-yl)-2-(4-ethylphenoxymethyl)benzamide | N-(4-amino-2-methylquinolin-6-yl)-2-(4-ethylphenoxymethyl)benzamide: a nociceptin antagonist; structure in first source | aminoquinoline | |
| notopterol | notopterol: an analgesic cpd with anti-inflammatory action isolated from Notopterygium incisum Ting; structure given in first source | furanocoumarin | |
| levorphanol | Levorphanol: A narcotic analgesic that may be habit-forming. It is nearly as effective orally as by injection. | morphinane alkaloid | |
| dihydromorphine | Dihydromorphine: A semisynthetic analgesic used in the study of narcotic receptors. | morphinane alkaloid | |
| cyclorphan | cyclorphan: was heading 1965-94 (see under MORPHINANS 1965-90); use MORPHINANS to search CYCLORPHAN 1966-94 | ||
| naltrexone | naltrexone : An organic heteropentacyclic compound that is naloxone substituted in which the allyl group attached to the nitrogen is replaced by a cyclopropylmethyl group. A mu-opioid receptor antagonist, it is used to treat alcohol dependence. Naltrexone: Derivative of noroxymorphone that is the N-cyclopropylmethyl congener of NALOXONE. It is a narcotic antagonist that is effective orally, longer lasting and more potent than naloxone, and has been proposed for the treatment of heroin addiction. The FDA has approved naltrexone for the treatment of alcohol dependence. | cyclopropanes; morphinane-like compound; organic heteropentacyclic compound | antidote to opioid poisoning; central nervous system depressant; environmental contaminant; mu-opioid receptor antagonist; xenobiotic |
| butorphanol | butorphanol : Levorphanol in which a hydrogen at position 14 of the morphinan skeleton is substituted by hydroxy and one of the hydrogens of the N-methyl group is substituted by cyclopropyl. A semi-synthetic opioid agonist-antagonist analgesic, it is used as its (S,S)-tartaric acid salt for relief or moderate to severe pain. Butorphanol: A synthetic morphinan analgesic with narcotic antagonist action. It is used in the management of severe pain. | morphinane alkaloid | antitussive; kappa-opioid receptor agonist; mu-opioid receptor agonist; opioid analgesic |
| methylnaltrexone | methylnaltrexone: RN given refers to parent cpd(5alpha)-isomer | phenanthrenes | |
| enkephalin, ala(2)-mephe(4)-gly(5)- | peptide | ||
| naloxone hydrochloride | naloxone hydrochloride : A hydrochloride resulting from the formal reaction of equimolar amounts of naloxone and hydrogen chloride. A specific opioid antagonist, it is used to reverse the effects of opioids, both following their use of opioids during surgery and in cases of known or suspected opioid overdose. | hydrochloride | antidote to opioid poisoning; central nervous system depressant; mu-opioid receptor antagonist |
| norbinaltorphimine | norbinaltorphimine: kappa opiate receptor antagonist; structure given in first source | isoquinolines | |
| dermorphin | dermorphin: opiate-like peptide present in amphibian skin | oligopeptide | |
| naltrexone hydrochloride | naltrexone hydrochloride : A hydrochloride obtained by reaction of oxycodone with one molar equivalent of hydrochloric acid. it is a mu-opioid receptor antagonist that is used to treat alcohol dependence. | hydrochloride | antidote to opioid poisoning; central nervous system depressant; mu-opioid receptor antagonist |
| 6 beta-hydroxynaltrexone | phenanthrenes | ||
| 14-methoxymetopon | 14-methoxymetopon: structure given in first source; has high affinity for the naloxone binding sites in rat brain | ||
| biphalin | biphalin: enkephalin dimer; two fragments of Ala(2)-enkephalin are connected by a diamine bridge to form above cpd; structure given in first source | ||
| alvimopan anhydrous | alvimopan: mu opioid receptor antagonist; intended to treat constipation in patients taking opiates for pain | peptide | |
| tyrosyl alanyl-glycyl-phenylalaninamide | tyrosyl alanyl-glycyl-phenylalaninamide: tetrapeptide opiate | ||
| oxymorphindole | oxymorphindole: no other info avail 9/91 | ||
| naltrindole | naltrindole: delta opioid receptor antagonist | isoquinolines | |
| cyprodime | cyprodime: RN & structure given in first source; RN given refers to parent cpd | ||
| (-)-catechin-3-O-gallate | (-)-catechin-3-O-gallate : A gallate ester obtained by formal condensation of the carboxy group of gallic acid with the (3R)-hydroxy group of (-)-catechin. | flavans; gallate ester; polyphenol | metabolite |
| trk 820 | TRK 820: structure in first source | phenanthrenes | |
| clocinnamox | clocinnamox: structure given in first source; an opioid mu receptor agonist | ||
| gr 103545 | |||
| 3,4-dichloro-n-methyl-n-(2-(1-pyrrolidinyl)cyclohexyl)-benzeneacetamide, (trans)-(-)-isomer | acetamides | ||
| enkephalin, leucine-2-alanine | Enkephalin, Leucine-2-Alanine: A delta-selective opioid (ANALGESICS, OPIOID). It can cause transient depression of mean arterial blood pressure and heart rate. | ||
| nalfurafine hydrochloride | |||
| naloxonazine | naloxonazine: binds irreversibly to opiate receptor sites; structure given in first source | ||
| sodium selenate | |||
| 17-cyclopropylmethyl-6,7-didehydro-4,5-epoxy-5'-guanidinyl-3,14-dihydroxyindolo(2',3'-6,7)morphinan | |||
| o-demethyltramadol | alkylbenzene; ring assembly | ||
| ro 64-6198 | Ro 64-6198: an orphanin FQ/nociceptin receptor agonist; structure in first source | ||
| sr 14150 | SR 14150: mixed NOP and mu-opioid receptor ligand and antinociceptive; structure in first source | ||
| ly 255582 | |||
| 6'-guanidinonaltrindole | 6'-guanidinonaltrindole: a tissue-selective analgesic; structure in first source | ||
| 4-n-butyl-1-(4-(2-methylphenyl)-4-oxo-1-butyl)-piperidine hydrogen chloride | |||
| sb-612111 | |||
| deltorphin i, ala(2)- | deltorphin I, Ala(2)-: isolated from skin extracts of frogs belonging to the genus Phyllomedusa; has affinity to opioid receptors | peptide | |
| 8-carboxamidocyclazocine | 8-carboxamidocyclazocine: structure in first source | ||
| akuammicine | akuammicine : A monoterpenoid indole alkaloid with formula C20H22N2O2, isolated from several plant species including Alstonia spatulata, Catharanthus roseus and Vinca major. akuammicine: from Strychnos sp;; structure in first source | methyl ester; monoterpenoid indole alkaloid; organic heteropentacyclic compound; tertiary amino compound | plant metabolite |
| pawhuskin a | pawhuskin A: geranyl stilbene from Dalea purpurea; structure in first source | ||
| 6-deoxy-6-fluoronaltrexone | 6-deoxy-6-fluoronaltrexone: RN given refers to (5alpha,6beta)-isomer; RN for cpd without isomeric designation not available 2/91; opiate antagonist suitable for positron emission tomography | ||
| dynorphin (1-17) | |||
| dynorphin a (1-11)-amide | |||
| amd 070 | mavorixafor: a derivative of AMD3100; a CXCR4 blocker | aminoquinoline | |
| mesyl salvinorin b | mesyl salvinorin B: a kappa-opioid receptor agonist; structure in first source | ||
| naluzotan | naluzotan: an antidepressant and anti-anxiety agent; structure in first source | ||
| 9-(benzoyloxy)-2-(3-furanyl)dodecahydro-6a,10b-dimethyl-4,10-dioxo-2h-naphtho(2,1-c)pyran-7-carboxylic acid methyl ester | 9-(benzoyloxy)-2-(3-furanyl)dodecahydro-6a,10b-dimethyl-4,10-dioxo-2H-naphtho(2,1-c)pyran-7-carboxylic acid methyl ester: structure in first source | ||
| salvinorin b | salvinorin B: from the herb, Salvia divinorum; structure in first source | diterpene lactone | |
| way 207024 | |||
| 14-o-methyloxymorphone | 14-O-methyloxymorphone: highly selective and potent mu opioid receptor agonist; structure in first source | ||
| mitragynine, (3beta,16e,20beta)-isomer | |||
| mitragynine | speciogynine: structure in first source | ||
| a 803467 | A 803467: an Nav1.8 sodium channel blocker; structure in first source | ||
| morphine sulfate | alkaloid sulfate salt | ||
| nociceptin | organic molecular entity; polypeptide | human metabolite; rat metabolite | |
| dynorphin (1-17) | |||
| sp 203 | 3-fluoro-5-(2-(2-(fluoromethyl)thiazol-4-yl)ethynyl)benzonitrile: a radioligand for mGlu5 receptor; structure in first source | ||
| 1-(1-(1-methylcyclooctyl)-4-piperidinyl)-2-((3r)-3-piperidinyl)-1h-benzimidazole | 1-(1-(1-methylcyclooctyl)-4-piperidinyl)-2-((3R)-3-piperidinyl)-1H-benzimidazole: anxiolytic agent; structure in first source | ||
| salvinorin b ethoxymethyl ether | salvinorin B ethoxymethyl ether: structure in first source | ||
| dynorphins | dynorphin (1-13): potent opioid peptide; see also record for dynorphin & D-Ala(2)-dynorphin (1-11) | ||
| ly2456302 | Aticaprant: a kappa opioid receptor antagonist; structure in first source | ||
| ici 174865 | ICI 174865: delta opioid receptor antagonist | ||
| 7-hydroxymitragynine | 7-hydroxymitragynine: an orally active opioid analgesic from the Thai medicinal herb Mitragyna speciosa; structure in first source | alkaloid | |
| mitragynine pseudoindoxyl | mitragynine pseudoindoxyl: derived from Thai medicinal plant MITRAGYNA speciosa; opioid agonist | ||
| 7-spiroindanyloxymorphone | 7-spiroindanyloxymorphone: a delta opioid receptor agonist; structure given in first source | ||
| gsk 1059865 | |||
| nitd 609 | NITD 609: an antimalarial and coccidiostat; structure in first source | ||
| cj 15,208 | |||
| pf-04455242 | 2-methyl-N-((2'-(pyrrolidin-1-ylsulfonyl)biphenyl-4-yl)methyl)propan-1-amine: has antidepressant activity; structure in first source | ||
| 2-[5-[(3,4-dichlorophenyl)methylthio]-4-(2-furanylmethyl)-1,2,4-triazol-3-yl]pyridine | triazoles | ||
| 4-[[(4-ethylphenyl)sulfonylamino]methyl]-N-[2-[(phenylmethyl)-propan-2-ylamino]ethyl]benzamide | sulfonamide | ||
| LSM-2536 | piperazines | ||
| n,n-diallyl-5-methoxytryptamine | N,N-diallyl-5-methoxytryptamine: structure in first source | tryptamines | |
| trv130 | |||
| 3-(2-((cyclobutylmethyl)(phenethyl)amino)ethyl)phenol | 3-(2-((cyclobutylmethyl)(phenethyl)amino)ethyl)phenol: structure in first source | ||
| 22-thiocyanatosalvinorin a | 22-thiocyanatosalvinorin A: structure in first source |