(2S,4R)-2-[(1R,2S)-1-(1-cyclopropylmethyl-cyclopropanesulfonylaminocarbonyl)-2-vinyl-cyclopropylcarbamoyl]-4-(7-methoxy-2-pyridin-2-yl-quinolin-4-yloxy)-pyrrolidine-1-carboxylic acid tert-butyl ester 、
N-Boc-L-叔亮氨酸 在
盐酸 、
1-羟基苯并三唑 、
N,N-二异丙基乙胺 、 Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 作用下,
以
1,4-二氧六环 、
二氯甲烷 为溶剂,
反应 2.0h,
以76%的产率得到{(S)-1-[(2S,4R)-2-[(1R,2S)-1-(1-cyclopropylmethyl-cyclopropanesulfonylaminocarbonyl)-2-vinyl-cyclopropylcarbamoyl]-4-(7-methoxy-2-pyridin-2-yl-quinolin-4-yloxy)-pyrrolidine-1-carbonyl]-2,2-dimethyl-propyl}-carbamic acid tert-butyl ester