2-(4-Chlorophenyl)-indolizine-1-carboxylic acid 、
(2S,4R)-4-amino-1-[(2S)-2-[(2-cyclopropylacetyl)amino]-3,3-dimethylbutanoyl]-N-[1-(cyclopropylsulfonylcarbamoyl)-2-ethenylcyclopropyl]pyrrolidine-2-carboxamide 在
N,N-二异丙基乙胺 、 ((3H-[1,2,3]triazolo[4,5-b]pyridin-3-yl)oxy)tri(pyrrolidin-1-yl)phosphonium hexafluorophosphate(V) 作用下,
以
乙腈 为溶剂,
以8.5%的产率得到2-(4-chlorophenyl)-N-[(3R,5S)-1-[(2S)-2-[(2-cyclopropylacetyl)amino]-3,3-dimethylbutanoyl]-5-[[1-(cyclopropylsulfonylcarbamoyl)-2-ethenylcyclopropyl]carbamoyl]pyrrolidin-3-yl]indolizine-1-carboxamide