(2S,4R)-4-tert-Butoxy-1-((S)-2-isobutoxycarbonylamino-3,3-dimethyl-butyryl)-pyrrolidine-2-carboxylic acid 在
戴斯-马丁氧化剂 、
N,N-二异丙基乙胺 、 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
二氯甲烷 为溶剂,
生成 2-methylpropyl N-[(2S)-1-[(2S,4R)-4-(tert-butoxy)-2-({1-[({[(S)-(dimethylcarbamoyl)(phenyl)methyl]carbamoyl}methyl)carbamoyl]-1-oxopentan-2-yl}carbamoyl)pyrrolidin-1-yl]-3,3-dimethyl-1-oxobutan-2-yl]carbamate