N-芴甲氧羰基-L-谷氨酸5-叔丁基1-(2,5-二氧代-1-吡咯烷基)酯 在
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
N,N-二甲基甲酰胺 为溶剂,
反应 3.17h,
生成 (S)-tert-butyl-4-amino-5-((S)-1-((4bS,8S,8aR)-8-((1S,4aS,10aR)-6-(tert-butoxycarbonylamino)-1,4a-dimethyl-1,2,3,4,4a,9,10,10a-octahydrophenanthrene-1-carbonylaminoformyl)-4b,8-dimethyl-4b,5,6,7,8,8a,9,10-octahydrophenanthren-3-ylamino)-1-oxopropan-2-ylamino)-5-oxopentanoate