methyl 3-<(trimethylsilyl)methyl>-2-(1-oxoethyl)-6-heptynoate 在
carbon monoxide,cobalt,cyclopenta-1,3-diene 作用下,
以
苯 为溶剂,
生成 (1S,5S)-1-Acetyl-2-methylene-5-trimethylsilanylmethyl-cyclopentanecarboxylic acid methyl ester 、 (1S,5R)-1-Acetyl-2-methylene-5-trimethylsilanylmethyl-cyclopentanecarboxylic acid methyl ester