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