methyl 2-diazo-3-oxo-6-(4-methoxyphenyl)-4-(2-phenylethyl)hexanoate 在
Rh
2(acam)4 作用下,
以
二氯甲烷 为溶剂,
生成 (1R,5S)-5-(4-Methoxy-phenyl)-2-oxo-3-phenethyl-cyclopentanecarboxylic acid methyl ester 、 (1S,5R)-3-[2-(4-Methoxy-phenyl)-ethyl]-2-oxo-5-phenyl-cyclopentanecarboxylic acid methyl ester