Any organic molecular entity that contains at least one C=C bond.
Member | Definition | Role |
1-[2-[3-(1-methylethenyl)phenyl]propan-2-yl]-3-(4-methyl-2-pyridinyl)urea | | 1-[2-[3-(1-methylethenyl)phenyl]propan-2-yl]-3-(4-methyl-2-pyridinyl)urea |
1-[4-(3,4-dihydroxyphenyl)-6-phenyl-2-sulfanylidene-3,4-dihydro-1H-pyrimidin-5-yl]ethanone | | 1-[4-(3,4-dihydroxyphenyl)-6-phenyl-2-sulfanylidene-3,4-dihydro-1H-pyrimidin-5-yl]ethanone |
1-octen-3-one | | 1-Octen-3-one |
1,1-difluoroethylene | | Vinylidene fluoride |
10058-F4 | A member of the class of thiazolidinones that is 2-sulfanylidene-1,3-thiazolidin-4-one which is substituted at position 5 by a (4-ethylphenyl)methylidene group. It is a cell permeable inhibitor of c-Myc-Max dimerization and exhibits antitumour effects in vivo. It downregulates c-Myc expression and upregulates CDK inhibitors, p21 and p27 resulting in the inhibition of proliferation, induction of apoptosis and cell cycle arrest in G0/G1 phase. | 10058-F4 |
17-phenyltrinorprostaglandin e2 | A prostanoid that is 18,19,20-trinor-prostaglandin E2 in which one of the terminal methyl hydrogens has been replaced by a phenyl group. | 17-phenyl-18,19,20-trinor-prostaglandin E2 |
2-methoxy-N-[3-[4-[3-methyl-4-[(6-methyl-3-pyridinyl)oxy]anilino]-6-quinazolinyl]prop-2-enyl]acetamide | A member of the class of quinazolines that is quinazoline substituted by {3-methyl-4-[(6-methylpyridin-3-yl)oxy]phenyl}amino and 3-(2-methoxyacetamido)prop-1-en-1-yl groups at positions 4 and 6, respectively. | 2-methoxy-N-[3-[4-[3-methyl-4-[(6-methyl-3-pyridinyl)oxy]anilino]-6-quinazolinyl]prop-2-enyl]acetamide |
3-hydroxy-3-methylbutene | A tertiary alcohol that is 3-methylbut-1-ene carrying a hydroxy substituent at position 3. | 3-hydroxy-3-methylbut-1-ene |
680c91 | A fluoroindole that is 6-fluoroindole in which the hydrogen at position 3 has been replaced by a 2-(pyridin-3-yl)vinyl group (trans configuration). It is a selective inhibitor of tryptophan 2,3-dioxygenase (TDO), which directs the conversion of trypophan to kynurenin. | 680C91 |
acrivastine | A member of the class of pyridines that is (pyridin-2-yl)acrylic acid substituted at position 6 by a [(1E)-1-(4-methylphenyl)-3-(pyrrolidin-1-yl)prop-1-en-1-yl group. It is a non-sedating antihistamine used for treatment of hayfever, urticaria, and rhinitis. | acrivastine |
acrovestone | A polyphenol that is isolated from Acronychia pedunculata and exhibits moderate antioxidant and antityrosinase activities. | acrovestone |
acuminatin | A neolignan that is 5-[(1E)-prop-1-en-1-yl]-2,3-dihydro-1-benzofuran carrying additional 3,4-dimethoxyphenyl, methyl and methoxy substituents at positions 2, 3 and 7 respectively. | acuminatin |
alantolactone | A sesquiterpene lactone that is 3a,5,6,7,8,8a,9,9a-octahydronaphtho[2,3-b]furan-2-one bearing two methyl substituents at positions 5 and 8a as well as a methylidene substituent at position 3. | alantolactone |
allyl cyanide | An aliphatic nitrile that is hydrogen cyanide in which the hydrogen has been replaced by an allyl group. | allyl cyanide |
alpha-methylstyrol | | alpha-Methylstyrene |
alpha-onocerin | A triterpenoid that is ethane in which each carbon has been substituted by a (1R,4aR,6S,8aS)-6-hydroxy-5,5,8a-trimethyl-2-methylenedecahydronaphthalen-1-yl group. | alpha-onocerin |
amaranthin betacyanin | A disaccharide derivative that is betanidin in which a beta-D-glucuronosyl-(1->2)-beta-D-glucosyl moiety is attached at position 5. | amaranthin |
arachidonyltrifluoromethane | A fatty acid derivative that is arachidonic acid in which the OH part of the carboxy group has been replaced by a trifluoromethyl group | AACOCF3 |
ascochlorin | A dihydroxybenzaldehyde that is 2,4-dihydroxybenzaldehyde which is substituted by a (1E,3E)-3-methyl-1-[(1R,2R,6R)-1,2,6-trimethyl-3-oxocyclohexyl]penta-1,3-dien-5-yl group at position 3, chlorine at position 5, and a methyl group at position 6. A meroterpenoid produced by several fungi including Ascochyta viciae . It exhibits anticancer, antifungal and antiprotozoal activities. | ascochlorin |
ascofuranone | A dihydroxybenzaldehyde that is 2,4-dihydroxybenzaldehyde which is substituted by a (2E,6E)-7-[(2S)-5,5-dimethyl-4-oxotetrahydrofuran-2-yl]-3-methylocta-2,6-dien-1-yl group at position 3, chlorine at position 5, and a methyl group at position 6. A meroterpenoid produced by the soil fungus, Acremonium sclerotigenum. It is a promising drug candidate against the tropical disease, African trypanosomiasis. | ascofuranone |
aurachin b | An A-type aurachin that is quinoline N-oxide which is substituted by a methyl group at position 2, a hydroxy group at position 3, and a triprenyl group at position 4. | aurachin B |
aureothin | A C-nitro compound that is (3Z)-3-[(2E)-2-methyl-3-(4-nitrophenyl)prop-2-en-1-ylidene]tetrahydrofuran which is substituted by a 6-methoxy-3,5-dimethyl-4-oxo-4H-pyran-2-yl group at position 5. It is isolated from the soil bacterium, Streptomyces thioluteus and exhibits antitumor, antifungal, and insecticidal activities. | aureothin |
ay 25545 | A C-glycosylated naphthoisochromene derivative obtained from Streptomyces ravidus; exhibits antibiotic and anticancer properties. | ravidomycin |
belinostat | A hydroxamic acid-type histone deacetylase (HDAC) inhibitor with antineoplastic activity. | belinostat |
belinostat | | N-hydroxy-3-[3-(phenylsulfamoyl)phenyl]-2-propenamide |
bongkrekic acid | A tricarboxylic acid that is docosa-2,4,8,10,14,18,20-heptaenedioic acid substituted at positions 2 ,5 and 17 by methyl groups, at positions 6 by a methoxy group and at position 20 by a carboxymethyl group. It is produced by the bacterium Burkholderia gladioli and implicated in outbreaks of food-borne illness involving coconut and corn-based products in Indonesia and China. | bongkrekic acid |
butafenacil | An organofluorine compound that is 1-methyl-6-(trifluoromethyl)pyrimidine-2,4(1H,3H)-dione substituted by a 4-chloro-3-({[2-methyl-1-oxo-1-(prop-2-en-1-yloxy)propan-2-yl]oxy}carbonyl)phenyl group at position 3. It is a herbicide which inhibits the protoporphyrinogen-oxidase enzyme in plant chloroplasts, resulting in rapid knockdown of various broadleaf and grass weeds. | butafenacil |
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 |
cinepazide | | cinepazide |
cinnarizine | | cinnarizine |
cis-3-hexenyl acetate | An acetate ester that results from the formal condensation of acetic acid with (Z)-hex-3-en-1-ol. | (3Z)-hex-3-en-1-yl acetate |
cj-15,801 | | CJ-15,801 |
desmosdumotin c | | Desmosdumotin C |
dienestrol | An olefinic compound that is hexa-2,4-diene substituted by 4-hydroxyphenyl groups at positions 3 and 4 respectively. | dienestrol |
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 |
diniconazole | A member of the class of triazoles that is 4,4-dimethyl-2-(1,2,4-triazol-1-yl)pent-1-en-3-ol substituted at position 1 by a 2,4-dichlorophenyl group. | (1E)-1-(2,4-dichlorophenyl)-4,4-dimethyl-2-(1,2,4-triazol-1-yl)pent-1-en-3-ol |
dolichodial | A dialdehyde that is cyclopentanecarbaldehyde substituted by a methyl group at position 2 and a 3-oxo-prop-1-en-2yl group at position 5. It has been found to occur in pheromones of insects such as aphids. | dolichodial |
echinuline | An indole alkaloid with formula C29H39N3O2. It is a fungal metabolite found in several Aspergillus species. | echinulin |
efinaconazole | A member of the class of triazoles that is butan-2-ol which is substituted at positions 1, 2, and 3 by 1,2,4-triazol-1-yl, 2,4-difluorophenyl, and 4-methylenepiperidin-1-yl groups, respectively (the 2R,3R stereoisomer). It is an antifungal drug used for the topical treatment of onychomycosis (a nail infection caused mainly by dermatophytes). | efinaconazole |
elemicin | | Elemicin |
elemol | A sesquiterpenoid that is isopropanol which is substituted at position 2 by a (3S,4S)-3-isopropenyl-4-methyl-4-vinylcyclohexyl group. | elemol |
ethyl isovalerate | The fatty acid ethyl ester of isovaleric acid. | ethyl isovalerate |
filipin | A macrolide that is the major component of a mixture of four isomeric polyene macrolides isolated from Streptomyces filipinensis. | filipin III |
fluensulfone | A member of the class of 1,3-thiazoles carrying 3,4,4-trifluorobut-3-ene-1-sulfonyl and chloro substituents at positions 2 and 5 respectively. A nematicide that is effective against a number of plant parasitic nematodes in a range of agricultural and horticultural crops. | fluensulfone |
fostriecin | A structurally unique, naturally-occurring phosphate monoester isolated from the soil bacterium Streptomyces pulveraceus. It inhibits DNA topoisomerase II as well as several protein phosphatase including PP2A and PPA4, and exhibits potent antitumor activity against several cancer cell lines. | fostriecin |
fr 900848 | A polyketide that is 5'-amino-5'-deoxy-3,4,5,6-tetrahydrouridine in which one of the hydrogens of the amino group is substituted by a (1E,3E)-1-[(1R,1'R,1''R,1'''R,2S,2'R,2''R,2'''S)-2'''-{(E)-2-[(1R,2R)-2-methylcyclopropyl]ethenyl}[1,1':2',1'':2'',1'''-quater(cyclopropan)]-2-yl]-5-oxopenta-1,3-dien-5-yl group. It is a metabolite isolated from the bacterium, Streptoverticillium fervens and targets the catalytic subunit of the fungal UDP-glycosyltransferase, the first step in the biosynthesis of glycosylphosphatidylinositol (GPI) anchors. It exhibits broad spectrum antifungal activity against several pathogenic fungi including Mucorales. | jawsamycin |
gamendazole | A member of the class of indazoles that is 3-(indazol-3-yl}prop-2-enoic acid carrying additional 2,4-dichlorobenzyl and trifluoromethyl substituents at positions 1 and 6 respectively. An orally active antispermatogenic compound with antifertility effects that is a potential male contraceptive drug. | gamendazole |
germacrone | A germacrane sesquiterpenoid that has formula C15H22O. It is a natural product found in traditional medicinal plants of the family Zingiberaceae. The compound exhibits a range of pharmacological activities including anti-inflammatory, anticancer, antiviral, anti-androgenic, antioxidant, antimicrobial, antifungal, neuroprotective and insecticidal activities. | (E,E)-germacrone |
hydrazinocurcumin | A pyrazole obtained by cyclocodensation of the two carbonyl groups of curcumin with hydrazine. | hydrazinocurcumin |
isoelemicin | | Isoelemicin |
itaconic acid | A dicarboxylic acid that is methacrylic acid in which one of the methyl hydrogens is substituted by a carboxylic acid group. | itaconic acid |
ketotifen | An organic heterotricyclic compound that is 4,9-dihydro-10H-benzo[4,5]cyclohepta[1,2-b]thiophen-10-one which is substituted at position 4 by a 1-methylpiperidin-4-ylidene group. A blocker of histamine H1 receptors with a stabilising action on mast cells, it is used (usually as its hydrogen fumarate salt) for the treatment of asthma, where it may take several weeks to exert its full effect. | ketotifen |
lucidone | | Lucidone |
mesityl oxide | | 4-Methyl-3-penten-2-one, 9CI |
N-[2-(4-bromocinnamylamino)ethyl]isoquinoline-5-sulfonamide | A member of the class of isoquinolines that is the sulfonamide obtained by formal condensation of the sulfo group of isoquinoline-5-sulfonic acid with the primary amino group of N(1)-[3-(4-bromophenyl)prop-2-en-1-yl]ethane-1,2-diamine. It is a protein kinase A inhibitor. | N-[2-(4-bromocinnamylamino)ethyl]isoquinoline-5-sulfonamide |
N-[9-(dichloromethylene)-1,2,3,4-tetrahydro-1,4-methanonaphthalen-5-yl]-3-(difluoromethyl)-1-methylpyrazole-4-carboxamide | An aromatic amide obtained by formal condensation of the carboxy group of 3-(difluoromethyl)-1-methylpyrazole-4-carboxylic acid with the amino group of 9-(dichloromethylene)-1,2,3,4-tetrahydro-1,4-methanonaphthalen-5-amine. | N-[9-(dichloromethylene)-1,2,3,4-tetrahydro-1,4-methanonaphthalen-5-yl]-3-(difluoromethyl)-1-methylpyrazole-4-carboxamide |
npi 2358 | A member of the class of 2,5-diketopiperazines that is piperazine-2,5-dione substituted by benzylidene and (5-tert-butyl-1H-imidazol-4-yl)methylidene groups at positions 3 and 6, respectively. It is a vascular disrupting agent and a microtubule destabalising agent which was in clinical trials (now discontinued) for the treatment of non-small cell lung cancer. | plinabulin |
panaxydol | | panaxydol |
papuamide b | A cyclodepsipeptide that is isolated from Papua New Guinea collections of the marine sponges Theonella mirabilis and Theonella swinhoei. It exhbits anti-HIV-1 activity and cytotoxicity against some human cancer cell lines. | papuamide B |
pateamine a | A marine macrodiolide that is isolated from the sponge Mycale hentscheli and exhibits anticancer and antiviral properties | pateamine |
perillaldehyde | An aldehyde that is cyclohex-1-ene-1-carbaldehyde substituted by a prop-1-en-2-yl group at position 4. | perillyl aldehyde |
pibutidine | An aromtic ether that is 4-(piperidin-1-ylmethyl)pyridin-2-ol in which the hydroxy group has been substituted by a {(2Z)-4-[(2-amino-3,4-dioxocyclobut-1-en-1-yl)amino]but-2-en-1-yl}oxy group. It is a H2 receptor antagonist which was developed for the treatment of peptic ulcers and duodenal ulcers. | pibutidine |
pracinostat | A hydroxamic acid that is N-hydroxyacrylamide which is substituted at position 3 by a 2-butyl-1-[2-(diethylamino)ethyl]-1H-benzimidazol-5-yl group (the E isomer). An orally available pan-histone deacetylase inhibitor with demonstrated activity in the treatment of advanced solid tumours. | pracinostat |
prostaglandin h2 | | prostaglandin H2 |
riddelliine | A macrodiolide that is 13,19-didehydrosenecionan bearing two additional hydroxy substituents at positions 12 and 18 as well as two additional oxo groups at positions 11 and 16. | riddelliine |
riddelliine n-oxide | A pyrrolizine alkaloid that is 13,19-didehydrosenecionane bearing two additional hydroxy substituents at positions 12 and 18, two additional oxo groups at positions 11 and 16 and an N-oxido substituent. | riddelliine N-oxide |
ro 48-8071 | An aromatic ketone that is 2-fluoro-4'-bromobenzophenone in which the hydrogen at position 4 (meta to the fluoro group) is replaced by a 6-[methyl(prop-2-en-1-yl)amino]hexyl}oxy group. An inhibitor of lanosterol synthase. | Ro 48-8071 |
roburic acid | A tetracyclic triterpenoid with formula C30H40O2 that is isolated from the roots of Gentiana dahurica and Gentiana macrophylla. | roburic acid |
sdz eaa 494 | A member of the class of piperazines that is piperazine substituted by a carboxy group at position 2R and a (1E)-1-phosphonoprop-1-en-3-yl group at position 4. It is an antagonist of N-methyl-D-aspartate receptors (NMDARs) and was in clinical development by Novartis for the treatment of cognition disorders and brain injuries (now discontinued). | midafotel |
semaxinib | An oxindole that is 3-methyleneoxindole in which one of the hydrogens of the methylene group is replaced by a 3,5-dimethylpyrrol-2-yl group. | semaxanib |
soraphen a | A macrolide and an agent highly effective against plant-pathogenic fungi. It was extensively researched for agricultural use until it was discovered to be a teratogen. | soraphen A |
spathulenol | A tricyclic sesquiterpenoid that is 4-methylidenedecahydro-1H-cyclopropa[e]azulene carrying three methyl substituents at positions 1, 1 and 7 as well as a hydroxy substituent at position 7. | spathulenol |
stigmatellin | A member of the class of chromones that is isolated from Stigmatella aurantiaca Sg a15. | stigmatellin A |
su 11652 | A member of the class of pyrrolecarboxamides obtained by formal condensation of the carboxy group of 5-[(Z)-(5-chloro-2-oxo-1,2-dihydroindol-3-ylidene)methyl]-2,4-dimethylpyrrole-3-carboxylic acid with the primary amino group of N(1),N(1)-diethylethane-1,2-diamine. | SU11652 |
tln 4601 | | diazepinomicin |
triacsin c | A nitroso compound that is N-undecylnitrous hydrazide carrying double bonds at positions 1,2,4, and 7. It is a long-chain fatty acyl CoA synthetase inhibitor and interferes with lipid metabolism by inhibiting the de novo synthesis of glycerolipids and cholesterol esters. | triacsin C |
triprolidine | An N-alkylpyrrolidine that is acrivastine in which the pyridine ring is lacking the propenoic acid substituent. It is a sedating antihistamine that is used (generally as the monohydrochloride monohydrate) for the relief of the symptoms of uticaria, rhinitis, and various pruritic skin disorders. | triprolidine |
vinclozolin | A member of the class of oxazolidinones that is 5-ethenyl-5-methyl-2,4-oxazolidinedione in which the imide hydrogen is replaced by a 3,5-dichlorophenyl group. | 3-(3,5-dichlorophenyl)-5-ethenyl-5-methyl-2,4-oxazolidinedione |
yw 3548 | A terpene lactone that is obtained from Codinea simplex and acts as an inhibitor of glycerophosphoinositol biosynthesis. | YW3548 |