N-(5-(1-((3R,5S)-5-methoxycarbonyl-pyrrolidin-3-yl)-1H-1,2,3-triazol-4-yl)-pentyloxycarbonyl)-3-methyl-L-valine hydrochloride 在
二乙胺 、 Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 作用下,
以
二氯甲烷 为溶剂,
生成
methyl (2R,4S,7S)-7-tert-butyl-6,9-dioxo-10-oxa-1,5,8,17,18-pentaaza-tricyclo[14.2.1.12,5]icosa-16(19),17-diene-4-carboxylate