1-propyl-cyclopropanesulfonamide 、
1-{[(2S,4R)-1-((S)-2-tert-butoxycarbonylamino-3,3-dimethyl-butyryl)-4-(7-methoxy-2-phenyl-quinolin-4-yloxy)-pyrrolidine-2-carbonyl]-amino}-spiro[2.2]pentane-1-carboxylic acid 在
N,N'-羰基二咪唑 、
1,8-二氮杂双环[5.4.0]十一碳-7-烯 作用下,
以
四氢呋喃 为溶剂,
反应 19.0h,
生成 ((S)-1-{(2S,4R)-4-(7-methoxy-2-phenyl-quinolin-4-yloxy)-2-[(S)-1-(1-propyl-cyclopropanesulfonylaminocarbonyl)-spiro[2.2]pent-1-ylcarbamoyl]-pyrrolidine-1-carbonyl}-2,2-dimethyl-propyl)-carbamic acid tert-butyl ester 、 ((S)-1-{(2S,4R)-4-(7-methoxy-2-phenyl-quinolin-4-yloxy)-2-[(R)-1-(1-propyl-cyclopropanesulfonylaminocarbonyl)-spiro[2.2]pent-1-ylcarbamoyl]-pyrrolidine-1-carbonyl}-2,2-dimethyl-propyl)-carbamic acid tert-butyl ester