中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 3-cyano-5,5-dimethyl-2-hydrazo(γ-acetyl-α-cyano-β-methylcrotononitril-γ-ylideno)-7-oxocyclohexeno[b]thiophene | 1023272-51-6 | C19H17N5O2S | 379.442 |
—— | 2-[(5-acetyl-4-methyl-2-(2-oxopropylsulfanyl)thiophene-3-carbonyl)amino]-5,5-dimethyl-7-oxo-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carbonitrile | 872133-05-6 | C22H22N2O4S3 | 474.626 |
—— | 2-[(5-ethoxycarbonyl-2-ethoxycarbonylmethylsulfanyl-4-methylthiophene-3-carbonyl)amino]-5,5-dimethyl-7-oxo-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carbonitrile | 872133-01-2 | C24H26N2O6S3 | 534.678 |
—— | 3-cyano-2-[α-oxo-β-(3,4-diphenylthiazolo-2-ylidino)butyramido-N-yl]-5,5-dimethyl-7-oxocyclohexeno[b]thiophene | —— | C30H25N3O3S2 | 539.679 |
The preparation of 2-amino-5,5-dimethyl-7-oxo-4,5,6,7-tetrahydro-1-benzophiophene-3-carboxamide via the intermediate 2-amino-5,5-dimethyl-7-oxo-4,5,6,7-tetrahydro-1-benzophiophene-3-carbonitrile is described, along with details of the crystal structure analysis of both compound.