波普瑞韦中间体 、
(2S)-6,6-difluoro-2-[(2-methylpropan-2-yl)oxycarbonylamino]dec-9-enoic acid 在
N-甲基吗啉 、
Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 作用下,
以
二氯甲烷 为溶剂,
以35%的产率得到methyl (1R,2S,5S)-3-[(2S)-6,6-difluoro-2-[(2-methylpropan-2-yl)oxycarbonylamino]dec-9-enoyl]-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxylate