A heterocyclic compound formally derived from an arene by replacement of one or more methine (-C=) and/or vinylene (-CH=CH-) groups by trivalent or divalent heteroatoms, respectively, in such a way as to maintain the continuous pi-electron system characteristic of aromatic systems and a number of out-of-plane pi-electrons corresponding to the Hueckel rule (4n+2).
| Member | Definition | Role |
|---|
| (5-phenyl-3-isoxazolyl)-(1-pyrrolidinyl)methanone | | (5-phenyl-3-isoxazolyl)-(1-pyrrolidinyl)methanone |
| 1-(3-hydroxy-2,4,4-trimethyl-1-oxido-5-thiophen-2-yl-2-imidazol-1-iumyl)ethanone | | 1-(3-hydroxy-2,4,4-trimethyl-1-oxido-5-thiophen-2-yl-2-imidazol-1-iumyl)ethanone |
| 1-(6-methyl-2-pyridinyl)-N-(3-pyridinyl)-4-imidazolecarboxamide | | 1-(6-methyl-2-pyridinyl)-N-(3-pyridinyl)-4-imidazolecarboxamide |
| 1-adamantanecarboxylic acid [2-(2-furanylmethylamino)-2-oxoethyl] ester | | 1-adamantanecarboxylic acid [2-(2-furanylmethylamino)-2-oxoethyl] ester |
| 2-(2-furanyl)-6,7,8,9-tetrahydro-5H-cyclohepta[2,3]thieno[2,4-b][1,3]oxazin-4-one | | 2-(2-furanyl)-6,7,8,9-tetrahydro-5H-cyclohepta[2,3]thieno[2,4-b][1,3]oxazin-4-one |
| 2-amino-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d][1,3]thiazin-4-one | | 2-amino-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d][1,3]thiazin-4-one |
| 2-furanyl-(4,4,8-trimethyl-1-sulfanylidene-5-dithiolo[3,4-c]quinolinyl)methanone | | 2-furanyl-(4,4,8-trimethyl-1-sulfanylidene-5-dithiolo[3,4-c]quinolinyl)methanone |
| 2-methyl-3-furanthiol | | 2-Methyl-3-furanthiol |
| 2-sulfanylidene-1,3-dithiole-4,5-dicarboxylic acid dimethyl ester | | 2-sulfanylidene-1,3-dithiole-4,5-dicarboxylic acid dimethyl ester |
| 4-[2-(2-chloro-4-fluoroanilino)-5-methyl-4-pyrimidinyl]-N-[(1S)-1-(3-chlorophenyl)-2-hydroxyethyl]-1H-pyrrole-2-carboxamide | | 4-[2-(2-chloro-4-fluoroanilino)-5-methyl-4-pyrimidinyl]-N-[(1S)-1-(3-chlorophenyl)-2-hydroxyethyl]-1H-pyrrole-2-carboxamide |
| 4-[oxo-(pyridin-4-ylamino)methyl]-1H-imidazole-5-carboxylic acid ethyl ester | | 4-[oxo-(pyridin-4-ylamino)methyl]-1H-imidazole-5-carboxylic acid ethyl ester |
| 4-acetyl-N-[4-(4-chlorophenyl)-2-thiazolyl]-3,5-dimethyl-1H-pyrrole-2-carboxamide | | 4-acetyl-N-[4-(4-chlorophenyl)-2-thiazolyl]-3,5-dimethyl-1H-pyrrole-2-carboxamide |
| 4-bromo-1-methyl-N-(2-thiazolyl)-3-pyrazolecarboxamide | | 4-bromo-1-methyl-N-(2-thiazolyl)-3-pyrazolecarboxamide |
| 4-chloro-1-methyl-N-[1-[(4-methylphenyl)methyl]-3-pyrazolyl]-3-pyrazolecarboxamide | | 4-chloro-1-methyl-N-[1-[(4-methylphenyl)methyl]-3-pyrazolyl]-3-pyrazolecarboxamide |
| 4-chloro-N-[(4-chlorophenyl)methyl]-3-nitro-1H-pyrazole-5-carboxamide | | 4-chloro-N-[(4-chlorophenyl)methyl]-3-nitro-1H-pyrazole-5-carboxamide |
| 5-(2-furanyl)-N-(3-pyridinylmethyl)-3-isoxazolecarboxamide | | 5-(2-furanyl)-N-(3-pyridinylmethyl)-3-isoxazolecarboxamide |
| 5-(2-methylphenyl)-N-(phenylmethyl)-2-furancarboxamide | | 5-(2-methylphenyl)-N-(phenylmethyl)-2-furancarboxamide |
| 5-(3-chlorophenyl)-N-(2-propyl-5-tetrazolyl)-2-furancarboxamide | | 5-(3-chlorophenyl)-N-(2-propyl-5-tetrazolyl)-2-furancarboxamide |
| 5-(3-hydroxymethyl-3-methyl-1-triazeno)imidazole-4-carboxamide | | 4-[(E)-[hydroxymethyl(methyl)amino]diazenyl]-1H-imidazole-5-carboxamide |
| 5-(3-hydroxyphenyl)-N-[2-(4-morpholinyl)ethyl]-3-isoxazolecarboxamide | | 5-(3-hydroxyphenyl)-N-[2-(4-morpholinyl)ethyl]-3-isoxazolecarboxamide |
| 5-(4-bromophenyl)-N-propan-2-yl-3-isoxazolecarboxamide | | 5-(4-bromophenyl)-N-propan-2-yl-3-isoxazolecarboxamide |
| 5-(4-bromophenyl)-N,N-diethyl-3-isoxazolecarboxamide | | 5-(4-bromophenyl)-N,N-diethyl-3-isoxazolecarboxamide |
| 5-(4-chlorophenyl)-N-(2-furanylmethyl)-3-isoxazolecarboxamide | | 5-(4-chlorophenyl)-N-(2-furanylmethyl)-3-isoxazolecarboxamide |
| 5-(4-chlorophenyl)-N-(5-ethyl-1,3,4-thiadiazol-2-yl)-2-furancarboxamide | | 5-(4-chlorophenyl)-N-(5-ethyl-1,3,4-thiadiazol-2-yl)-2-furancarboxamide |
| 5-(4-methylphenyl)-N-(3-pyridinylmethyl)-3-isoxazolecarboxamide | | 5-(4-methylphenyl)-N-(3-pyridinylmethyl)-3-isoxazolecarboxamide |
| 5-[(4-fluorophenyl)methylsulfonylmethyl]-N-(2-oxolanylmethyl)-2-furancarboxamide | | 5-[(4-fluorophenyl)methylsulfonylmethyl]-N-(2-oxolanylmethyl)-2-furancarboxamide |
| 5-bromo-N-[1-(2,5-dimethylphenyl)ethyl]-2-furancarboxamide | | 5-bromo-N-[1-(2,5-dimethylphenyl)ethyl]-2-furancarboxamide |
| 5-bromo-N-[6-[[(5-bromo-2-furanyl)-oxomethyl]amino]-2-pyridinyl]-2-furancarboxamide | | 5-bromo-N-[6-[[(5-bromo-2-furanyl)-oxomethyl]amino]-2-pyridinyl]-2-furancarboxamide |
| 5-methyl-N-(3-pyridinyl)-3-isoxazolecarboxamide | | 5-methyl-N-(3-pyridinyl)-3-isoxazolecarboxamide |
| 5-methyl-N-(5-methyl-3-isoxazolyl)-3-isoxazolecarboxamide | | 5-methyl-N-(5-methyl-3-isoxazolyl)-3-isoxazolecarboxamide |
| 5-methyl-N-[5-(trifluoromethyl)-1,3,4-thiadiazol-2-yl]-3-isoxazolecarboxamide | | 5-methyl-N-[5-(trifluoromethyl)-1,3,4-thiadiazol-2-yl]-3-isoxazolecarboxamide |
| 5-phenyl-N-(3-pyridinyl)-3-isoxazolecarboxamide | | 5-phenyl-N-(3-pyridinyl)-3-isoxazolecarboxamide |
| allantoxanamide | | 4,6-dioxo-1H-1,3,5-triazine-2-carboxamide |
| Bis(2-furanylmethyl) disulfide | | Bis(2-furanylmethyl) disulfide |
| furfuryl mercaptan | | 2-Furanmethanethiol |
| N-(2-cyano-1-cyclopentenyl)-1-ethyl-3-pyrazolecarboxamide | | N-(2-cyano-1-cyclopentenyl)-1-ethyl-3-pyrazolecarboxamide |
| N-(2-sulfanylidene-3H-1,3,4-thiadiazol-5-yl)-2-furancarboxamide | | N-(2-sulfanylidene-3H-1,3,4-thiadiazol-5-yl)-2-furancarboxamide |
| N-(3-cyano-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-5-(2-methylpropyl)-3-isoxazolecarboxamide | | N-(3-cyano-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-5-(2-methylpropyl)-3-isoxazolecarboxamide |
| N-(3-cyano-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-5-methyl-4-nitro-3-isoxazolecarboxamide | | N-(3-cyano-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-5-methyl-4-nitro-3-isoxazolecarboxamide |
| N-(3-cyano-5,6-dihydro-4H-cyclopenta[b]thiophen-2-yl)-5-cyclopropyl-3-isoxazolecarboxamide | | N-(3-cyano-5,6-dihydro-4H-cyclopenta[b]thiophen-2-yl)-5-cyclopropyl-3-isoxazolecarboxamide |
| N-(3-cyano-6-methyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-5-methyl-3-isoxazolecarboxamide | | N-(3-cyano-6-methyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-5-methyl-3-isoxazolecarboxamide |
| N-(3-pyridinyl)-5,6,7,8-tetrahydro-4H-cyclohepta[d]isoxazole-3-carboxamide | | N-(3-pyridinyl)-5,6,7,8-tetrahydro-4H-cyclohepta[d]isoxazole-3-carboxamide |
| N-(3,3,5-trimethylcyclohexyl)-1H-1,2,4-triazole-5-carboxamide | | N-(3,3,5-trimethylcyclohexyl)-1H-1,2,4-triazole-5-carboxamide |
| N-(4-cyano-2-methyl-3-pyrazolyl)-5-(4-methylphenyl)-3-isoxazolecarboxamide | | N-(4-cyano-2-methyl-3-pyrazolyl)-5-(4-methylphenyl)-3-isoxazolecarboxamide |
| N-(4-oxo-2-thieno[3,2-d][1,3]thiazinyl)-2-furancarboxamide | | N-(4-oxo-2-thieno[3,2-d][1,3]thiazinyl)-2-furancarboxamide |
| N-(5-chloro-2-pyridinyl)-2-ethyl-3-pyrazolecarboxamide | | N-(5-chloro-2-pyridinyl)-2-ethyl-3-pyrazolecarboxamide |
| N-(5-cyclohexyl-1,3,4-thiadiazol-2-yl)-2-furancarboxamide | | N-(5-cyclohexyl-1,3,4-thiadiazol-2-yl)-2-furancarboxamide |
| N-(6-tert-butyl-3-cyano-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-5-cyclopropyl-3-isoxazolecarboxamide | | N-(6-tert-butyl-3-cyano-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-5-cyclopropyl-3-isoxazolecarboxamide |
| N-[1-[(4-fluorophenyl)methyl]-3-pyrazolyl]-5-methyl-2-furancarboxamide | | N-[1-[(4-fluorophenyl)methyl]-3-pyrazolyl]-5-methyl-2-furancarboxamide |
| N-[1-[(4-fluorophenyl)methyl]-3,5-dimethyl-4-pyrazolyl]-5-(2-furanyl)-3-isoxazolecarboxamide | | N-[1-[(4-fluorophenyl)methyl]-3,5-dimethyl-4-pyrazolyl]-5-(2-furanyl)-3-isoxazolecarboxamide |
| N-[1-[(4-fluorophenyl)methyl]-4-pyrazolyl]-5-(2-furanyl)-3-isoxazolecarboxamide | | N-[1-[(4-fluorophenyl)methyl]-4-pyrazolyl]-5-(2-furanyl)-3-isoxazolecarboxamide |
| N-[2-(1-cyclohexenyl)ethyl]-5-methyl-3-isoxazolecarboxamide | | N-[2-(1-cyclohexenyl)ethyl]-5-methyl-3-isoxazolecarboxamide |
| N-[4-(3,4-dimethylphenyl)-2-thiazolyl]-2-furancarboxamide | | N-[4-(3,4-dimethylphenyl)-2-thiazolyl]-2-furancarboxamide |
| N-Cyclohexyl-5-(2-thienyl)-1,2-oxazole-3-carboxamide | | N-Cyclohexyl-5-(2-thienyl)-1,2-oxazole-3-carboxamide |
| N-cyclohexyl-5-propyl-3-isoxazolecarboxamide | | N-cyclohexyl-5-propyl-3-isoxazolecarboxamide |
| N-cyclohexyl-5,6,7,8-tetrahydro-4H-cyclohepta[d]isoxazole-3-carboxamide | | N-cyclohexyl-5,6,7,8-tetrahydro-4H-cyclohepta[d]isoxazole-3-carboxamide |
| n-cyclopropyl-5-(thiophen-2-yl)isoxazole-3-carboxamide | | N-cyclopropyl-5-thiophen-2-yl-3-isoxazolecarboxamide |
| N-phenethyl-2-furamide | | N-phenethyl-2-furamide |
| N,N-dicyclohexyl-5-propyl-3-isoxazolecarboxamide | | N,N-dicyclohexyl-5-propyl-3-isoxazolecarboxamide |
| penthienate | | penthienate |
| rufinamide | | rufinamide |