1-(8-benzyl-3a-methyl-3,3a,8,8a-tetrahydropyrrolo[2,3-b]indol-1(2H)-yl)-2-(2-methyl-1H-benzo[d]imidazol-1-yl)ethan-1-one   、                                                                                      
2-溴溴苄                                                                                                                                                                                              以
                                                                                         
甲苯                                                                                  为溶剂,
                                                                                                                                                                                        以93%的产率得到1-(2-(8-benzyl-3a-methyl-3,3a,8,8a-tetrahydropyrrolo[2,3-b]indol-1(2H)-yl)-2-oxoethyl)-3-(2-bromobenzyl)-2-methyl-1H-benzo[d]imidazol-3-ium bromide