化学性质
本品为白色固体,熔点62~64℃,沸点100~102℃/13.3 Pa。它不溶于水,但能溶于醇、甲苯、二甲苯等有机溶剂。
用途
3-氨基-噻吩-2-羧酸甲酯是合成磺酰脲类除草剂噻吩磺隆的重要中间体。此外,它还用作农药和医药中间体,具体而言,可用于合成农药噻黄隆、阔叶散以及药物替诺昔康。
生产方法
其制备方法是在反应釜中加入甲醇钠溶液和甲醇,并开启搅拌后冷却。随后,在4~5小时内滴加一定量的二氯丙烯腈甲醇溶液,滴加完毕后保温16小时。接着加热蒸去甲醇,加水冷却结晶,过滤即得成品。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
3-氨基-2-噻吩甲酸 | 3-aminothiophene-2-carboxylic acid | 55341-87-2 | C5H5NO2S | 143.166 |
—— | methyl 3-azidothiophene-2-carboxylate | —— | C6H5N3O2S | 183.191 |
3-(N-三氟乙酰氨基)噻吩-2-羧酸甲酯 | methyl 3-(2,2,2-trifluoroacetamido)thiophene-2-carboxylate | 79128-68-0 | C8H6F3NO3S | 253.202 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | methyl 3-(methylamino)thiophene-2-carboxylate | 107818-58-6 | C7H9NO2S | 171.22 |
3-氨基-2-噻吩甲酸 | 3-aminothiophene-2-carboxylic acid | 55341-87-2 | C5H5NO2S | 143.166 |
—— | methyl 3,4-diaminothiophene-2-carboxylate | 80615-55-0 | C6H8N2O2S | 172.208 |
3-氨基-5-碘噻吩-2-羧酸甲酯 | methyl 3-amino-5-iodo-thiophene-2-carboxylate | 942589-45-9 | C6H6INO2S | 283.09 |
3-氨基-5-溴噻吩-2-羧酸甲酯 | methyl 3-amino-5-bromothiophene-2-carboxylate | 107818-55-3 | C6H6BrNO2S | 236.089 |
3-氨基-4-氯噻吩-2-羧酸甲酯 | methyl 3-amino-4-chlorothiophene-2-carboxylate | 632356-41-3 | C6H6ClNO2S | 191.638 |
—— | methyl 3-azidothiophene-2-carboxylate | —— | C6H5N3O2S | 183.191 |
—— | methyl 3-isocyanato-2-thiophenecarboxylate | 25712-16-7 | C7H5NO3S | 183.188 |
—— | methyl 3-formamidothiophene-2-carboxylate | 16285-69-1 | C7H7NO3S | 185.203 |
3-异硫氰基噻吩-2-羧酸甲酯 | methyl 3-isothiocyanatothiophene-2-carboxylate | 81321-10-0 | C7H5NO2S2 | 199.254 |
3-氨基-4-溴-噻吩-2-羧酸甲酯 | methyl 3-amino-4-bromothiophene-2-carboxylate | 161833-42-7 | C6H6BrNO2S | 236.089 |
3-(异丙基氨基)噻吩-2-羧酸甲酯 | methyl 3-(isopropyl-amino)thiophene-2-carboxylate | 153071-59-1 | C9H13NO2S | 199.274 |
—— | 3-(dimethylamino-methyleneamino)-thiophene-2-carboxylic acid methyl ester | 700844-08-2 | C9H12N2O2S | 212.272 |
—— | methyl 3-(phenylamino)thiophene-2-carboxylate | 313697-17-5 | C12H11NO2S | 233.291 |
—— | methyl 3-[(cyclopropylmethyl)amino]-2-thiophenecarboxylate | 942590-28-5 | C10H13NO2S | 211.285 |
3-硝基噻吩-2-羧酸甲酯 | Methyl 3-nitrothiophene-2-carboxylate | 75735-44-3 | C6H5NO4S | 187.176 |
噻吩-2-羧酸甲酯 | thiophene-2-carboxylic acid methyl ester | 5380-42-7 | C6H6O2S | 142.178 |
—— | methyl 3-[(aminocarbonyl)amino]thiophene-2-carboxylate | 51322-68-0 | C7H8N2O3S | 200.218 |
—— | 3-(2-methoxycarbonyl-3-thienylamino)propionic acid | 271248-62-5 | C9H11NO4S | 229.257 |
3-(乙酰基氨基)-2-噻吩羧酸甲酯 | methyl 3-acetamidothiophene-2-carboxylate | 22288-79-5 | C8H9NO3S | 199.23 |
—— | methyl 3-(cyclobutylamino)-2-thiophenecarboxylate | 1027710-19-5 | C10H13NO2S | 211.285 |
—— | methyl 3-{[1-methyl-2-(methyloxy)ethyl]amino}-2-thiophenecarboxylate | 1007171-54-1 | C10H15NO3S | 229.3 |
—— | methyl 5-bromo-3-(methylamino)thiophene-2-carboxylate | 1078789-32-8 | C7H8BrNO2S | 250.116 |
—— | 3-azido-2-thiophenecarboxylic acid | 56488-92-7 | C5H3N3O2S | 169.164 |
3-氨基-4-溴噻吩-2-羧酸 | 3-amino-4-bromothiophene-2-carboxylic acid | 215927-34-7 | C5H4BrNO2S | 222.062 |
—— | methyl 3-[(tetrahydro-2H-pyran-4-ylmethyl)amino]-2-thiophenecarboxylate | 1007171-38-1 | C12H17NO3S | 255.338 |
3-[(氯乙酰基)氨基]-2-噻吩羧酸甲酯 | PCM-0102367 | 146381-88-6 | C8H8ClNO3S | 233.675 |
—— | methyl 3-acrylamidothiophene-2-carboxylate | 218786-01-7 | C9H9NO3S | 211.241 |
3-(甲磺酰氨基)噻吩-2-甲酸甲酯 | methyl 3-(methylsulfonamido)thiophene-2-carboxylate | 79128-71-5 | C7H9NO4S2 | 235.285 |
—— | methyl 3-(ethoxycarbonylamino)-thiophene-2-carboxylate | 118235-88-4 | C9H11NO4S | 229.257 |
3-[(2-溴乙酰基)氨基]噻吩-2-羧酸甲酯 | 3-(2-bromoacetylamino)thiophene-2-carboxylic acid methyl ester | 227958-47-6 | C8H8BrNO3S | 278.126 |
—— | methyl 3-amino-5-(3,3-dimethylbut-1-ynyl)thiophene-2-carboxylate | 1026785-75-0 | C12H15NO2S | 237.323 |
—— | methyl 3-(tetrahydro-2H-pyran-4-ylamino)-2-thiophenecarboxylate | 1007171-10-9 | C11H15NO3S | 241.311 |
—— | methyl 3-butyramidothiophene-2-carboxylate | 158806-49-6 | C10H13NO3S | 227.284 |
—— | methyl 3-isopropoxycarbonylaminothiophene-2-carboxylate | —— | C10H13NO4S | 243.284 |
3-(N-三氟乙酰氨基)噻吩-2-羧酸甲酯 | methyl 3-(2,2,2-trifluoroacetamido)thiophene-2-carboxylate | 79128-68-0 | C8H6F3NO3S | 253.202 |
—— | N-(2-carbomethoxythien-3-yl)-N'-(2-chloroethyl)urea | 110164-57-3 | C9H11ClN2O3S | 262.717 |
—— | methyl 3-[(4-methoxyphenyl)methylamino]thiophene-2-carboxylate | 910909-41-0 | C14H15NO3S | 277.344 |
—— | 3-(2-cyano-acetylamino)thiophene-2-carboxylic acid methyl ester | 549516-71-4 | C9H8N2O3S | 224.24 |
3-叔丁氧基羰基氨基-噻吩-2-羧酸甲酯 | methyl 3-((tert-butoxycarbonyl)amino)thiophene-2-carboxylate | 149587-72-4 | C11H15NO4S | 257.31 |
—— | Methyl 3-(4-chlorobutanoylamino)thiophene-2-carboxylate | —— | C10H12ClNO3S | 261.729 |
—— | methyl 3-pentanoylaminothiophene-2-carboxylate | 150113-51-2 | C11H15NO3S | 241.311 |
—— | methyl 3-(2,2,2-trichloroacetamido)thiophene-2-carboxylate | —— | C8H6Cl3NO3S | 302.566 |
—— | methyl 3-[(anilinocarbonothioyl)amino]thiophene-2-carboxylate | 468096-43-7 | C13H12N2O2S2 | 292.382 |
—— | methyl 3-[(5-chloropentanoyl)amino]thiophene-2-carboxylate | —— | C11H14ClNO3S | 275.756 |
—— | Methyl 3-(3-chloropropylcarbamoylamino)thiophene-2-carboxylate | 110164-63-1 | C10H13ClN2O3S | 276.744 |
3-氨基-4-硝基噻吩-2-羧酸甲酯 | methyl 3-amino-4-nitrothiophene-2-carboxylate | 80621-56-3 | C6H6N2O4S | 202.191 |
—— | methyl 3-(3,3-diethylthioureido)thiophene-2-carboxylate | 257610-82-5 | C11H16N2O2S2 | 272.392 |
—— | N-(2-methoxycarbonyl-3-thienyl)-3-oxobutanamide | —— | C10H11NO4S | 241.268 |
3-(乙酰氨基)噻吩-2-羧酸 | 3-acetamidothiophene-2-carboxylic acid | 50901-18-3 | C7H7NO3S | 185.203 |
3-硝基噻吩-2-羧酸 | 3-nitrothiophene-2-carboxylic acid | 89283-80-7 | C5H3NO4S | 173.149 |
—— | methyl 3-{[(benzyloxy)carbonyl]amino}thiophene-2-carboxylate | 778602-61-2 | C14H13NO4S | 291.328 |
—— | methyl 3-({[(4-methylphenyl)amino]carbonothioyl}amino)thiophene-2-carboxylate | 468096-45-9 | C14H14N2O2S2 | 306.409 |
3-氨基-5-硝基噻吩-2-羧酸甲酯 | Methyl 3-amino-5-nitrothiophene-2-carboxylate | 113899-36-8 | C6H6N2O4S | 202.191 |
—— | 3-[3-(2-Bromo-1,1-dimethyl-ethyl)-ureido]-thiophene-2-carboxylic acid methyl ester | 118235-76-0 | C11H15BrN2O3S | 335.222 |
—— | Methyl 3-({[(4-fluorophenyl)amino]carbonothioyl}amino)thiophene-2-carboxylate | —— | C13H11FN2O2S2 | 310.373 |
(3-氨基-2-噻吩基)甲醇 | (3-amino-2-thienyl)methanol | 170861-45-7 | C5H7NOS | 129.183 |
—— | methyl 3-({[(4-chlorophenyl)amino]carbonothioyl}amino)thiophene-2-carboxylate | 468096-44-8 | C13H11ClN2O2S2 | 326.828 |
3-(苯甲酰基氨基)-2-噻吩羧酸甲酯 | methyl 3-benzoylaminothiophene-2-carboxylate | 79128-70-4 | C13H11NO3S | 261.301 |
—— | methyl 3-({[2-(methylsulfonyl)hydrazino]carbonothioyl}amino)thiophene-2-carboxylate | 1018471-18-5 | C8H11N3O4S3 | 309.391 |
—— | Methyl 3-[(2-phenylmethoxyacetyl)amino]thiophene-2-carboxylate | 1154013-80-5 | C15H15NO4S | 305.354 |
3-氯噻吩-2-羧酸甲酯 | methyl 3-chlorothiophene-2-carboxylate | 88105-17-3 | C6H5ClO2S | 176.624 |
—— | 3-[(E)-(3-Phenyl-acryloyl)amino]-thiophene-2-carboxylic acid methyl ester | —— | C15H13NO3S | 287.339 |
3-氨基噻吩-2-甲醛 | 3-aminothiophene 2-carboxaldehyde | 56489-01-1 | C5H5NOS | 127.167 |
—— | 3-(4-carboxy-1-cyclohexylbutylamino)thiophene-2-carboxylic acid methyl ester | 1356457-41-4 | C17H25NO4S | 339.456 |