(1R,2R,4S)-2-(cyclopropylmethylcarbamoyl)-4-(methanesulfonyl-methyl-amino)-cyclopentanecarboxylic acid methyl ester 、 (2R,4S,5S)-5-amino-6-(3,5-difluoro-phenoxy)-4-hydroxy-2-methoxy-hexanoic acid ((S)-1-benzylcarbamoyl-2-methyl-propyl)-amide 在
甲醇 、 lithium hydroxide 、
水 、
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
N,N-二甲基甲酰胺 为溶剂,
反应 4.0h,
生成 (1R,2R,4S)-4-(methanesulfonyl-methyl-amino)-cyclopentane-1,2-dicarboxylic acid 1-{[(1S,2S,4R)-4-((S)-1-benzylcarbamoyl-2-methyl-propylcarbamoyl)-1-(3,5-difluoro-phenoxymethyl)-2-hydroxy-4-methoxy-butyl]-amide} 2-cyclopropylmethylamide