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N-氰亚胺基-S,S-二硫代碳酸二甲酯

N-氰亚胺基-S,S-二硫代碳酸二甲酯

CAS号:10191-60-3
英文名:N-Cyanoimido-S,S-dimethyl-dithiocarbonate
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化合物简介
Dimethyl N-Cyanodithioiminocarbonate is a useful synthetic intermediate. It is used in the synthesis of 4-methylthiopyrazolo[1,5-a]-1,3,5-triazines, methylsulfanyl derivatives of azoloazines, and methylsulfanylpyrimidines.
基本信息
编号系统
物化性质
安全信息
生产方法及用途
生产方法
石灰氮与二硫化碳反应得到二硫代钙盐。经离心分离残渣后,二硫代钙盐溶液与硫酸二甲酯进行甲酯化反应,得氰亚胺二硫代碳酸二甲酯。再经分离去除硫酸钙及蒸出低沸物,得到成品。工业品含量≥90%原料消耗定额:石灰氮(含N20%)1550kg/t、二硫化碳950kg/t、硫酸二甲酯(98%)2200kg/t。
用途
用作制造消化道药物西米替丁的主要中间体
下游产品
S-methyl N-carbamoylcarbamothioate 1-甲基-3-甲基硫代-1H-1,2,4-噻唑-5-胺 methyl N'-cyanocarbamimidothioate 2-氰基亚胺基-1,3-噻唑烷 ethyl N-cyanocarbamate potassium salt methyl N'-cyano-N,N-dimethylcarbamimidothioate 3-氨基-1-甲基-5-甲硫基-1,2,4-三氮唑 N-对氯苯基双氰胺 2-甲基-2-疏基硫酸脲 (2-氰基亚氨基-5,6-二氯-1,2,3,4-四氢喹唑啉-3-基)乙酸乙酯 methyl N-cyano-N'-(2-pyridin-2-ylethyl)carbamimidothioate 3-氨基-5-甲硫基-1H-1,2,4-三唑 2-(4-chlorophenyl)-5-methylsulfanyl-1,2,4-triazol-3-amine methyl N'-(2-bromoethyl)-N-cyanocarbamimidothioate 3-(甲基硫代)-(9ci)-1,2,4-噁二唑-5-胺 methyl N-cyano-N'-pyridin-3-ylcarbamimidothioate N,N-二甲基-6-(甲硫基)-1,3,5-三嗪-2,4-二胺 (Z)-1-氰基-2-甲基-3-苯基异硫脲 2-amino-6-methylsulfanyl-4-phenylpyridine-3-carbonitrile N-氰亚胺基碳酸二甲酯 2-amino-4-(furan-2-yl)-6-methylsulfanylpyridine-3-carbonitrile 甲硫醇 5-amino-1-benzyl-3-methylthio-1H-1,2,4-triazole 1-[(4-chlorophenyl)methyl]-5-methylsulfanyl-1,2,4-triazol-3-amine 2-(2,6-dimethylphenyl)-5-methylsulfanyl-1,2,4-triazol-3-amine 2-[(4-chlorophenyl)methyl]-5-methylsulfanyl-1,2,4-triazol-3-amine 2-amino-5-cyano-6-(methylthio)-4(3H)-pyrimidinethione 4-氨基-2-甲基硫代噻唑-5-甲腈 1-allyl-5-(methylthio)-1H-1,2,4-triazol-3-amine 4-氨基-2-(甲基硫代)噻唑-5-羧酸乙酯 1-benzyl-5-methylsulfanyl-1,2,4-triazol-3-amine 5-methylsulfanyl-2-prop-2-enyl-1,2,4-triazol-3-amine 5-methylsulfanyl-1-phenyl-1H-[1,2,4]triazol-3-ylamine cyanomethyl methyl cyanocarbonimidodithioate 4-methylsulfanyl-6-phenyl-1,3,5-triazin-2-amine N-(1,3-benzothiazol-2-yl)-1,3-benzothiazol-2-amine 1-cyano-3-(2-hydroxyethyl)-2-methylguanidine 5-methylsulfanyl-2-phenyl-1,2,4-triazol-3-amine