1,3,5,8-Tetramethyl-2,4-diethyl-6-methoxycarbonylacetyl-7-(2-methoxycarbonyl-ethyl)-porphin                                                                                                                                                              在
                                                                                                                                                                                 (diethylamido)sulfur trifluoride                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 2.5h,
                                                                                                                生成                                                 2,4-diethyl-6-<1-fluoro-2-(methoxycarbonyl)ethenyl>-7-<2-(methoxycarbonyl)ethyl>-1,3,5,8-tetramethylporphyrin