(2R,3R,4S,5R)-5-Butyl-3-diphenylphosphinoyl-4-methyl-2-phenyl-2-trimethylsilyloxytetrahydrofuran 在
potassium tert-butylate 作用下,
以
叔丁醇 为溶剂,
生成 (1R,2R,3S)-(2-Butyl-3-methylcyclopropyl)phenylmethanone 、 ((1R,2S,3S)-2-Butyl-3-methyl-cyclopropyl)-phenyl-methanone 、 (1S,2S,3S)-(2-Butyl-3-methylcyclopropyl)phenylmethanone