2,8,12,18-tetraethyl-3,7,13,17-tetramethyl-5,15-bis<3'-(3''-bromopropyloxy)phenyl>-porphyrin   、                                                                                      N-pentyl-4(4-pyridyl)pyridinium bromide                                                                                                                                                                                              以
                                                                                         
N,N-二甲基甲酰胺                                                                                  为溶剂,
                                                                                                                                                    反应 120.0h,
                                                                                                                以22.4%的产率得到5,15-bis(m-(N-pentyl-N'-propyloxy-4,4'-bipyridinium)phenyl)-2,8,12,18-tetraethyl-3,7,13,17-tetramethylporphyrin tetrabromide