| Substance | Relationship Strength | Studies | Trials | Classes | Roles |
|---|
tacrine
Tacrine: A cholinesterase inhibitor that crosses the blood-brain barrier. Tacrine has been used to counter the effects of muscle relaxants, as a respiratory stimulant, and in the treatment of Alzheimer's disease and other central nervous system disorders.. tacrine : A member of the class of acridines that is 1,2,3,4-tetrahydroacridine substituted by an amino group at position 9. It is used in the treatment of Alzheimer's disease. | 1.99 | 1 | 0 | acridines;
aromatic amine | EC 3.1.1.7 (acetylcholinesterase) inhibitor |
alfuzosin
alfuzosin: structure given in first source | 3.51 | 2 | 0 | monocarboxylic acid amide;
quinazolines;
tetrahydrofuranol | alpha-adrenergic antagonist;
antihypertensive agent;
antineoplastic agent |
benoxathian
benoxathian: RN given refers to parent cpd; structure given in first source | 2.02 | 1 | 0 | | |
bmy 7378
[no description available] | 2.42 | 2 | 0 | piperazines | |
bunazosin
bunazosin: structure | 2.02 | 1 | 0 | quinazolines | |
clonidine
Clonidine: An imidazoline sympatholytic agent that stimulates ALPHA-2 ADRENERGIC RECEPTORS and central IMIDAZOLINE RECEPTORS. It is commonly used in the management of HYPERTENSION.. clonidine (amino form) : A clonidine that is 4,5-dihydro-1H-imidazol-2-amine in which one of the amino hydrogens is replaced by a 2,6-dichlorophenyl group. | 4.33 | 6 | 0 | clonidine;
imidazoline | |
doxazosin
Doxazosin: A prazosin-related compound that is a selective alpha-1-adrenergic blocker.. doxazosin : A member of the class of quinazolines that is quinazoline substituted by an amino group at position 4, methoxy groups at positions 6 and 7 and a piperazin-1-yl group at position 2 which in turn is substituted by a 2,3-dihydro-1,4-benzodioxin-2-ylcarbonyl group at position 4. An antihypertensive agent, it is used in the treatment of high blood pressure. | 3.51 | 2 | 0 | aromatic amine;
benzodioxine;
monocarboxylic acid amide;
N-acylpiperazine;
N-arylpiperazine;
quinazolines | alpha-adrenergic antagonist;
antihyperplasia drug;
antihypertensive agent;
antineoplastic agent;
vasodilator agent |
nordefrin
Nordefrin: A norepinephrine derivative used as a vasoconstrictor agent. | 1.98 | 1 | 0 | catecholamine | |
nan 190
1-(2-methoxyphenyl)-4-(4-(2-phthalimido)butyl)piperazine: RN from Toxlit. NAN 190 : An N-alkylpiperazine that consists of (2-methoxyphenyl)piperazine in which the amine hydrogen is substituted by a 4-(2-phthalimido)butyl group. | 2.02 | 1 | 0 | N-alkylpiperazine;
N-arylpiperazine;
phthalimides | serotonergic antagonist |
oxymetazoline
Oxymetazoline: A direct acting sympathomimetic used as a vasoconstrictor to relieve nasal congestion. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1251). oxymetazoline : A member of the class of phenols that is 2,4-dimethylphenol which is substituted at positions 3 and 6 by 4,5-dihydro-1H-imidazol-2-ylmethyl and tert-butyl groups, respectively. A direct-acting sympathomimetic with marked alpha-adrenergic activity, it is a vasoconstrictor that is used (generally as the hydrochloride salt) to relieve nasal congestion. | 1.97 | 1 | 0 | carboxamidine;
imidazolines;
phenols | alpha-adrenergic agonist;
nasal decongestant;
sympathomimetic agent;
vasoconstrictor agent |
phenoxybenzamine
Phenoxybenzamine: An alpha-adrenergic antagonist with long duration of action. It has been used to treat hypertension and as a peripheral vasodilator. | 1.98 | 1 | 0 | aromatic amine | |
prazosin
Prazosin: A selective adrenergic alpha-1 antagonist used in the treatment of HEART FAILURE; HYPERTENSION; PHEOCHROMOCYTOMA; RAYNAUD DISEASE; PROSTATIC HYPERTROPHY; and URINARY RETENTION.. prazosin : A member of the class of piperazines that is piperazine substituted by a furan-2-ylcarbonyl group and a 4-amino-6,7-dimethoxyquinazolin-2-yl group at positions 1 and 4 respectively. | 3.79 | 3 | 0 | aromatic ether;
furans;
monocarboxylic acid amide;
piperazines;
quinazolines | alpha-adrenergic antagonist;
antihypertensive agent;
EC 3.4.21.26 (prolyl oligopeptidase) inhibitor |
spiperone
Spiperone: A spiro butyrophenone analog similar to HALOPERIDOL and other related compounds. It has been recommended in the treatment of SCHIZOPHRENIA.. spiperone : An azaspiro compound that is 1,3,8-triazaspiro[4.5]decane which is substituted at positions 1, 4, and 8 by phenyl, oxo, and 4-(p-fluorophenyl)-4-oxobutyl groups, respectively. | 2.02 | 1 | 0 | aromatic ketone;
azaspiro compound;
organofluorine compound;
piperidines;
tertiary amino compound | alpha-adrenergic antagonist;
antipsychotic agent;
dopaminergic antagonist;
psychotropic drug;
serotonergic antagonist |
talipexole
talipexole: dopamine receptor agonist; structure given in first source | 1.99 | 1 | 0 | azepine | |
terazosin
Terazosin: induces decreased blood pressure; used in the treatment of benign prostatic hyperplasia | 3.51 | 2 | 0 | furans;
piperazines;
primary amino compound;
quinazolines | alpha-adrenergic antagonist;
antihypertensive agent;
antineoplastic agent |
5-methylurapidil
[no description available] | 3.51 | 2 | 0 | | |
n-(2-(4-(2-methoxyphenyl)-1-piperazinyl)ethyl)-n-(2-pyridinyl)cyclohexanecarboxamide
[no description available] | 2.02 | 1 | 0 | piperazines | |
wb 4101
N-(2,3-dihydro-1,4-benzodioxin-2-ylmethyl)-2-(2,6-dimethoxyphenoxy)ethanamine : A benzodioxine that is 2,3-dihydro-1,4-benzodioxine bearing a [(2',6'-dimethoxyphenoxy)ethylamino]methyl group at position 2. An alpha1A-adrenergic selective antagonist. | 3.79 | 3 | 0 | aromatic ether;
benzodioxine;
secondary amino compound | alpha-adrenergic antagonist |
xylazine
Xylazine: An adrenergic alpha-2 agonist used as a sedative, analgesic and centrally acting muscle relaxant in VETERINARY MEDICINE.. xylazine : A methyl benzene that is 1,3-dimethylbenzene which is substituted by a 5,6-dihydro-4H-1,3-thiazin-2-ylnitrilo group at position 2. It is an alpha2 adrenergic receptor agonist and frequently used in veterinary medicine as an emetic and sedative with analgesic and muscle relaxant properties. | 1.98 | 1 | 0 | 1,3-thiazine;
methylbenzene;
secondary amino compound | alpha-adrenergic agonist;
analgesic;
emetic;
muscle relaxant;
sedative |
phentolamine
Phentolamine: A nonselective alpha-adrenergic antagonist. It is used in the treatment of hypertension and hypertensive emergencies, pheochromocytoma, vasospasm of RAYNAUD DISEASE and frostbite, clonidine withdrawal syndrome, impotence, and peripheral vascular disease.. phentolamine : A substituted aniline that is 3-aminophenol in which the hydrogens of the amino group are replaced by 4-methylphenyl and 4,5-dihydro-1H-imidazol-2-ylmethyl groups respectively. An alpha-adrenergic antagonist, it is used for the treatment of hypertension. | 2.41 | 2 | 0 | imidazoles;
phenols;
substituted aniline;
tertiary amino compound | alpha-adrenergic antagonist;
vasodilator agent |
4-[(1S)-1-hydroxy-2-(propan-2-ylamino)ethyl]benzene-1,2-diol
[no description available] | 3.08 | 1 | 0 | catechols | |
physostigmine
Physostigmine: A cholinesterase inhibitor that is rapidly absorbed through membranes. It can be applied topically to the conjunctiva. It also can cross the blood-brain barrier and is used when central nervous system effects are desired, as in the treatment of severe anticholinergic toxicity. | 1.99 | 1 | 0 | carbamate ester;
indole alkaloid | antidote to curare poisoning;
EC 3.1.1.8 (cholinesterase) inhibitor;
miotic |
quinoxalines
quinoxaline : A naphthyridine in which the nitrogens are at positions 1 and 4. | 2.9 | 4 | 0 | mancude organic heterobicyclic parent;
naphthyridine;
ortho-fused heteroarene | |
yohimbine
Yohimbine: A plant alkaloid with alpha-2-adrenergic blocking activity. Yohimbine has been used as a mydriatic and in the treatment of ERECTILE DYSFUNCTION.. yohimbine : An indole alkaloid with alpha2-adrenoceptor antagonist activity. It is produced by Corynanthe johimbe and Rauwolfia serpentina. | 4.59 | 8 | 0 | methyl 17-hydroxy-20xi-yohimban-16-carboxylate | alpha-adrenergic antagonist;
dopamine receptor D2 antagonist;
serotonergic antagonist |
galantamine
Galantamine: A benzazepine derived from norbelladine. It is found in GALANTHUS and other AMARYLLIDACEAE. It is a cholinesterase inhibitor that has been used to reverse the muscular effects of GALLAMINE TRIETHIODIDE and TUBOCURARINE and has been studied as a treatment for ALZHEIMER DISEASE and other central nervous system disorders.. galanthamine : A benzazepine alkaloid isolated from certain species of daffodils. | 1.99 | 1 | 0 | benzazepine alkaloid fundamental parent;
benzazepine alkaloid;
organic heterotetracyclic compound;
tertiary amino compound | antidote to curare poisoning;
cholinergic drug;
EC 3.1.1.7 (acetylcholinesterase) inhibitor;
EC 3.1.1.8 (cholinesterase) inhibitor;
plant metabolite |
discretamine
discretamine: structure | 2.02 | 1 | 0 | alkaloid | |
eedq
EEDQ: peptide coupling reagent | 1.98 | 1 | 0 | | |
indoramin
Indoramin: An alpha-1 adrenergic antagonist that is commonly used as an antihypertensive agent. | 3.51 | 2 | 0 | tryptamines | |
idazoxan
Idazoxan: A benzodioxane-linked imidazole that has alpha-2 adrenoceptor antagonist activity.. idazoxan : A benzodioxine that is 2,3-dihydro-1,4-benzodioxine in which one of the hydrogens at position 2 has been replaced by a 4,5-dihydro-1H-imidazol-2-yl group. | 4 | 4 | 0 | benzodioxine;
imidazolines | alpha-adrenergic antagonist |
finasteride
Finasteride: An orally active 3-OXO-5-ALPHA-STEROID 4-DEHYDROGENASE inhibitor. It is used as a surgical alternative for treatment of benign PROSTATIC HYPERPLASIA.. finasteride : An aza-steroid that is a synthetic drug for the treatment of benign prostatic hyperplasia. | 3.09 | 1 | 0 | 3-oxo steroid;
aza-steroid;
delta-lactam | androgen antagonist;
antihyperplasia drug;
EC 1.3.1.22 [3-oxo-5alpha-steroid 4-dehydrogenase (NADP(+))] inhibitor |
niguldipine
[no description available] | 3.5 | 2 | 0 | diarylmethane | |
physostigmine heptyl
physostigmine heptyl: RN given for (3aS-cis)-isomer; structure given in first source; possible use in therapy of Alzheimer's disease | 1.99 | 1 | 0 | | |
turosteride
turosteride: a 5alpha-reductase inhibitor; structure given in first source; RN given refers to the (5alpha,17beta)-isomer | 3.09 | 1 | 0 | | |
epristeride
epristeride: structure given in first source | 3.09 | 1 | 0 | steroid acid | |
corynanthine
Corynanthine: A stereoisomer of yohimbine. | 3.5 | 2 | 0 | yohimban alkaloid | |
chlorethylclonidine
chlorethylclonidine: RN refers to 2-chloroethyl derivative | 1.99 | 1 | 0 | | |
brl 44408
BRL 44408: has selectivity for adrenergic alpha-2A receptors; BRL 48962 is the R-enantiomer; BRL 48553 is the R-enantiomer | 2.38 | 2 | 0 | | |
sk&f 104078
[no description available] | 8.77 | 3 | 0 | benzazepine | |
sk&f 86466
benalfocin: RN & RR given from first source; RN not in Chemline 9/28/83; structure given in first source | 3.48 | 2 | 0 | benzazepine | |
brl 41992
BRL 41992: has selectivity for adrenergic alpha-2A receptors | 1.97 | 1 | 0 | | |
tamsulosin
[no description available] | 3.09 | 1 | 0 | 5-(2-{[2-(2-ethoxyphenoxy)ethyl]amino}propyl)-2-methoxybenzenesulfonamide | alpha-adrenergic antagonist;
antineoplastic agent |
cyclazosin
cyclazosin: an alpha(1D)-adrenoceptor antagonist; structure given in first source; RN given for (cis)-isomer. cyclazosin : A monocarboxylic acid amide obtained by formal condensation of the carboxy group of furoic acid with the secondary amino group of 6,7-dimethoxy-2-[(4aR,8aS)-octahydroquinoxalin-1-yl]quinazolin-4-amine. | 3.51 | 2 | 0 | aromatic amide;
aromatic ether;
furans;
monocarboxylic acid amide;
quinazolines;
quinoxaline derivative | adenosine A2A receptor antagonist |
imiloxan
[no description available] | 1.98 | 1 | 0 | benzodioxine | |
rec 15-2739
Rec 15-2739: an alpha-1 antagonist selective for the lower urinary tract; structure given in first source | 3.51 | 2 | 0 | | |
abanoquil
[no description available] | 2.02 | 1 | 0 | | |
corbadrine
alpha-methylnoradrenaline : A catecholamine in which the 2-aminoethyl group is substituted with a hydroxy group at C-1 and a methyl group at C-2, with configurations 1R,2S. A metabolite of alpha-methyl-L-dopa, it is an alpha2-adrenergic agonist and acts as a topical nasal decongestant and vasoconstrictor, most often used in dentistry. | 3.08 | 1 | 0 | catecholamine | alpha-adrenergic agonist;
nasal decongestant;
vasoconstrictor agent |
ly 300502
[no description available] | 3.09 | 1 | 0 | | |
bmy 7378
[no description available] | 3.09 | 1 | 0 | | |
raubasine
ajmalicine : A monoterpenoid indole alkaloid with formula C21H24N2O3, isolated from several Rauvolfia and Catharanthus species. It is a selective alpha1-adrenoceptor antagonist used for the treatment of high blood pressure. | 3.08 | 1 | 0 | methyl ester;
monoterpenoid indole alkaloid;
organic heteropentacyclic compound | alpha-adrenergic antagonist;
antihypertensive agent;
vasodilator agent |
L-isoprenaline
L-isoprenaline : An optically active phenylethanolamine compound having an isopropyl substituent attached to the nitrogen atom. | 3.08 | 1 | 0 | catecholamine;
phenylethanolamines | beta-adrenergic agonist;
sympathomimetic agent |
rauwolscine
Rauwolscine: A stereoisomer of yohimbine. | 3.08 | 1 | 0 | methyl 17-hydroxy-20xi-yohimban-16-carboxylate | |
rs 17053
[no description available] | 3.51 | 2 | 0 | indoles | |
3-[2-[4-(2-methoxyphenyl)-1-piperazinyl]ethyl]-1,5-dihydropyrimido[5,4-b]indole-2,4-dione
[no description available] | 2.01 | 1 | 0 | piperazines;
pyrimido-indole | |
silodosin
silodosin: an alpha(1a)-adrenoceptor-selective antagonist; structure given in first source | 3.51 | 2 | 0 | indolecarboxamide | |
17-n,n-diethylcarbamoyl-4-methyl-4-azaandrostane-3-one
17-N,N-diethylcarbamoyl-4-methyl-4-azaandrostane-3-one: inhibitor of testosterone 5-alpha reductase, receptor binding & nuclear uptake of androgens in the prostate | 3.09 | 1 | 0 | | |
dexniguldipine
niguldipine: structure given in first source; clinical modulator of multidrug resistance | 3.09 | 1 | 0 | diarylmethane | |
ro 70-0004
[no description available] | 3.51 | 2 | 0 | | |
brimonidine tartrate
Brimonidine Tartrate: A quinoxaline derivative and ADRENERGIC ALHPA-2 RECEPTOR AGONIST that is used to manage INTRAOCULAR PRESSURE associated with OPEN-ANGLE GLAUCOMA and OCULAR HYPERTENSION. | 2.9 | 4 | 0 | | |
calcimycin
Calcimycin: An ionophorous, polyether antibiotic from Streptomyces chartreusensis. It binds and transports CALCIUM and other divalent cations across membranes and uncouples oxidative phosphorylation while inhibiting ATPase of rat liver mitochondria. The substance is used mostly as a biochemical tool to study the role of divalent cations in various biological systems. | 1.98 | 1 | 0 | benzoxazole | |