1-(2-氨乙基)吡咯烷 、
(2R,11R,19aS)-2-[(tert-butoxycarbonyl)amino]-15-fluoro-7,12-dimethyl-5,8,13-trioxo-2,3,6,7,8,9,10,11,12,13,19,19a-dodecahydro-1H,5H-pyrrolo[2,1-c][1,4,7,12]benzoxatriazacyclopentadecine-11-carboxylic acid 在
N-羟基-7-氮杂苯并三氮唑 、
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 15.0h,
以78%的产率得到tert-butyl N-[(2R,11R,19aS)-15-fluoro-7,12-dimethyl-5,8,13-trioxo-11-({[2-(1-pyrrolidinyl)ethyl]amino}carbonyl)-2,3,6,7,8,9,10,11,12,13,19,19a-dodecahydro-1H,5H-pyrrolo[2,1-c][1,4,7,12]benzoxatriazacyclopentadecin-2-yl]carbamate