(3aS,6aR)-5-{2-[(2S,4S)-2-cyano-4-fluoropyrrolidin-1-yl]-2-carbonylethylamino}-N,N,5-trimethylhexahydrocyclopenta[c]pyrrole-2(1H)-carboxamide 、
对甲苯磺酸 以
丙酮 为溶剂,
反应 15.0h,
以65.4 g的产率得到(3aS,6aR)-5-{2-[(2S,4S)-2-cyano-4-fluoropyrrolidin-1-yl]-2-carbonylethylamino}-N,N,5-trimethylhexahydrocyclopenta[c]pyrrole-2(1H)-carboxamide p-toluenesulfonate