5-[(4-Chlorophenyl){7-[(ethylsulfanyl)methyl]-1H-indol-3-yl}methyl]-2,2-dimethyl-1,3-dioxane-4,6-dione                                                                                                                                                              在
                                                                                                                                         
铜                                                                                                                                                                                                                               盐酸   、                                                                                                  
magnesium sulfate   、                                                                                                  silica gel                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
吡啶   、                                                                                         
乙醇                                                                                  为溶剂,
                                                                                                                                                    反应 1.0h,
                                                                                                                以1.13 g of the target compound with a purity of 84% (78% of theory) were obtained的产率得到ethyl 3-(4-chlorophenyl)-3-{7-[(ethylsulfanyl)methyl]-1H-indol-3-yl}propanoate