5-(tert-Butyl-dimethyl-silanyloxy)-2-diazo-3-oxo-6-phenyl-hexanoic acid methyl ester 在
dirhodium tetraacetate 作用下,
以
二氯甲烷 为溶剂,
反应 0.25h,
生成 (1R,2S,3R)-3-(tert-Butyl-dimethyl-silanyloxy)-5-oxo-2-phenyl-cyclopentanecarboxylic acid methyl ester 、 (1R,2S,3S)-3-(tert-Butyl-dimethyl-silanyloxy)-5-oxo-2-phenyl-cyclopentanecarboxylic acid methyl ester