Ethyl (Z,2SR,3SR)-2,3-dimethyl-5-(2,4,6-trimethylphenyl)-5-((trimethylsilyl)oxy)-4-pentenoate 、
Ethyl (Z,2RS,3SR)-2,3-dimethyl-5-(2,4,6-trimethylphenyl)-5-((trimethylsilyl)oxy)-4-pentenoate 在
盐酸 作用下,
以
四氢呋喃 为溶剂,
反应 0.5h,
生成 Ethyl (2RS,3SR)-dimethyl-5-oxo-5-(2,4,6-trimethylphenyl)pentanoate 、 Ethyl (2RS,3RS)-dimethyl-5-oxo-5-(2,4,6-trimethylphenyl)pentanoate