methyl 5,15-bis(4'-dimethylaminophenyl)-2,8,12,18-tetraethyl-3,7,13,17-tetramethylporphyrin-10-propeonate                                                                                                                                                              在
                                                                                                                                                                                 
氢氧化钾                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇   、                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                                                        以70%的产率得到methyl 6,16-bis(4'-dimethylaminophenyl)-3,9,13,19-tetraethyl-4,8,14,18-tetramethyl-3,4,20,21-tetradehydro-18,19-dihydrophorbine-20-carboxylate