4-(Bromomethyl)-N-(diphenylmethyl)-3-nitrobenzamide 、 Caesium; 3-{5-[3-ethyl-4-methyl-5-oxo-1,5-dihydro-pyrrol-(2E)-ylidenemethyl]-2,4-dimethyl-1H-pyrrol-3-yl}-propionate 以
N,N-二甲基甲酰胺 为溶剂,
反应 2.0h,
以90%的产率得到3-{5-[3-Ethyl-4-methyl-5-oxo-1,5-dihydro-pyrrol-(2E)-ylidenemethyl]-2,4-dimethyl-1H-pyrrol-3-yl}-propionic acid 4-(benzhydryl-carbamoyl)-2-nitro-benzyl ester