1-benzyl-5-(3-chloro-4-fluorophenyl)-1H-indole   、                                                                                      
草酰氯   、                                                                                      
乙醇                                                                                                                                                              在
                                                                                                                                                                                 
ethyl [1-benzyl-5-(3-chloro-4-fluorophenyl)-1H-indol-3-yl](oxo)acetate                                                                                                                                  作用下,
                                                                                                                                                                                                                            以afforded the title compound as a yellow solid (0.616 g, 67%), mp: 148-149° C的产率得到ethyl [1-benzyl-5-(3-chloro-4-fluorophenyl)-1H-indol-3-yl](oxo)acetate