申请人:AMERICAN CYANAMID COMPANY
公开号:EP0396901A1
公开(公告)日:1990-11-14
A process for producing the compound [2S-(2α,3β,5α)]-3-methyl-7-oxo-3-(1H-1,2,3-triazol-1-ylmethyl)-4-thia-azabicyclo[3 2 0]-heptane-2-carboxylic acid, (4-nitrophenyl)methyl ester, 4,4-dioxide, which comprises reacting a solution of azidopenamsulfone, 4-methoxyphenol and vinylpropionate with a solution of bis(trimethylsilyl)acetamide and 4-methoxyphenol in toluene at 80-100°C for 18-30 hours followed by filtering the resulting solution and cooling the filtrate to 0-10°C.
一种生产化合物[2S-(2α,3β,5α)]-3-甲基-7-氧代-3-(1H-1,2,3-三唑-1-基甲基)-4-硫杂氮杂双环[3 2 0]-庚烷-2-羧酸,(4-硝基苯基)甲基酯,4,4-二氧化物的工艺,包括将叠氮基庚烷砜、4-甲氧基苯酚和乙烯基丙酸酯的溶液与双(三甲基硅基)乙酰胺和 4-甲氧基苯酚在甲苯中的溶液在 80-100°C 下反应 18-30 小时,然后过滤所得溶液并将滤液冷却至 0-10°C。