(E)-(2S,3S)-2-Benzyloxy-3-[(4S,5R)-2,2-dimethyl-5-(toluene-4-sulfonyloxymethyl)-[1,3]dioxolan-4-yl]-4,8-dimethyl-non-4-enoic acid methyl ester 在
双(三甲基硅烷基)氨基钾 作用下,
以
四氢呋喃 为溶剂,
反应 0.17h,
生成 (3aS,4R,5S,6aR)-5-Benzyloxy-4-((E)-1,5-dimethyl-hex-1-enyl)-2,2-dimethyl-tetrahydro-cyclopenta[1,3]dioxole-5-carboxylic acid methyl ester 、 (3aS,4S,5R,6aR)-5-Benzyloxy-4-((E)-1,5-dimethyl-hex-1-enyl)-2,2-dimethyl-tetrahydro-cyclopenta[1,3]dioxole-5-carboxylic acid methyl ester