(3R,5R)-5-biphenyl-4-ylmethyl-1-(2,2-dimethylpropionyl)-3-methyl-2-oxo-pyrrolidine-3-carboxylic acid ethyl ester 、
sodium hydroxide 在
水 、
甲苯 、
乙酸乙酯 、
盐酸 、
magnesium sulfate 作用下,
以
乙腈 为溶剂,
反应 22.0h,
以to afford (3R,5R)-5-Biphenyl-4-ylmethyl-3-methyl-2-oxo-pyrrolidine-3-carboxylic acid (R1=H; R10=OH; R11=Me) and (3S,5R)-5-Biphenyl-4-ylmethyl-3-methyl-2-oxo-pyrrolidine-3-carboxylic acid (R1=H; R10=OH; R11=Me)的产率得到(3R,5R)-5-(biphenyl-4-yl)methyl-3-methyl-2-oxopyrrolidine-3-carboxylic acid