3-氨基环丁烷甲酸甲酯盐酸盐 、
5-benzoyl-1-(3-(tert-butyl)-5-(1-methylcyclopropyl)phenyl)-4-methyl-1H-pyrrole-3-carboxylic acid 在
N,N-二异丙基乙胺 、 Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以84%的产率得到(trans)-methyl 3-(5-benzoyl-1-(3-(tert-butyl)-5-(1-methylcyclopropyl)phenyl)-4-methyl-1H-pyrrole-3-carboxamido)cyclobutanecarboxylate