中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 3-Amino-4-cyano-5-methylsulfanylthiophene-2-carboxylic acid | 133369-52-5 | C7H6N2O2S2 | 214.269 |
—— | methyl 3-amino-4-cyano-5-(methylsulfinyl)thiophene-2-carboxylate | 1174304-43-8 | C8H8N2O3S2 | 244.295 |
—— | methyl 3-amino-4-cyano-5-(methylsulfonyl)thiophene-2-carboxylate | 129332-44-1 | C8H8N2O4S2 | 260.295 |
—— | 3-Acetylamino-4-cyano-5-methylsulfanyl-thiophene-2-carboxylic acid methyl ester | 139645-69-5 | C10H10N2O3S2 | 270.333 |
4-氰基-5-(甲硫基)噻吩-2-羟酸甲酯 | methyl 4-cyano-5-(methylthio)thiophene-2-carboxylate | 175202-48-9 | C8H7NO2S2 | 213.281 |
—— | 4-Cyano-3-[(2-ethoxy-2-oxoacetyl)amino]-5-methylsulfanylthiophene-2-carboxylic acid | 218967-95-4 | C11H10N2O5S2 | 314.343 |
—— | 3-Acetylamino-4-cyano-5-methanesulfonyl-thiophene-2-carboxylic acid methyl ester | 207452-74-2 | C10H10N2O5S2 | 302.332 |
—— | methyl 4-cyano-5-(methylsulfonyl)thiophene-2-carboxylate | 237385-04-5 | C8H7NO4S2 | 245.28 |
—— | 3-Acetamido-4-cyano-5-methylsulfonylthiophene-2-carboxylic acid | 218967-94-3 | C9H8N2O5S2 | 288.305 |
—— | 5-(methoxycarbonyl)-2-methylthiothiophene-3-carboxylic acid | 237382-43-3 | C8H8O4S2 | 232.281 |
—— | Methyl 3-amino-4-cyano-5-hydrazinylthiophene-2-carboxylate | 129332-42-9 | C7H8N4O2S | 212.232 |
—— | methyl 4-(2-bromoacetyl)-5-methylthiothiophene-2-carboxylate | 237383-00-5 | C9H9BrO3S2 | 309.205 |
—— | Methyl 3-amino-4-cyano-5-phenoxythiophene-2-carboxylate | 230310-92-6 | C13H10N2O3S | 274.3 |
—— | Methyl 3-amino-4-cyano-5-(3-methylphenoxy)thiophene-2-carboxylate | 230310-93-7 | C14H12N2O3S | 288.327 |
An organic salt generated by cyclic thioureas and 2-di(methylsulfanyl)methylenemalononitrile in reaction with primary and secondary α-haloketones leads to tetrasubstituted thiophenes without using additional base or catalyst at room temperature.