Oxo-[2-(2-phenethyl-4-phenyl-butyryl)-pyrrolidin-1-yl]-acetic acid methyl ester 、 magnesium,2-methylbutane,chloride 在
ammonium chloride 作用下,
以
四氢呋喃 为溶剂,
以0.14 g (76.5%)的产率得到3,3-Dimethyl-1-[2-(2-phenethyl-4-phenyl-butyryl)-pyrrolidin-1-yl]-pentane-1,2-dione