反应详情

The reaction of (2S,4R)-4-(2-chloro-4-fluorophenylthio)-N-(1-cyanocyclopropyl)pyrrolidine-2-carboxamide 12A and lithium 1-(1-(ethoxycarbonyl)piperidin-4-yl)azetidine-2-carboxylate 20J carried out according to the general procedure L yielded ethyl 4-(2-((2S,4R)-4-(2-chloro-4-fluorophenylthio)-2-(1-cyanocyclopropylcarbamoyl)pyrrolidine-1-carbonyl)azetidin-1-yl)piperidine-1-carboxylate 1:1 epimers as a white solid (82%). MS ISP (m/e): 578.3/580.4 (100/38) [(M+H)]]+.