1-(trimethylsilanyl)cyclopropanesulfonamide 、
1-[[(2S,4R)-1-[(2S)-2-(tert-butoxycarbonylamino)-3,3-dimethyl-butanoyl]-4-[(7-methoxy-2-phenyl-4-quinolyl)oxy]pyrrolidine-2-carbonyl]amino]cyclopropanecarboxylic 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 1.0h,
以42%的产率得到((S)-1-{(2S,4R)-4-(7-methoxy-2-phenyl-quinolin-4-yloxy)-2-[1-(1-trimethylsilanyl-cyclopropanesulfonylaminocarbonyl)-cyclopropylcarbamoyl]-pyrrolidine-1-carbonyl}-2,2-dimethyl-propyl)-carbamic acid tert-butyl ester