methyl 2,8,12,18-tetraethyl-3,7,13,17-tetramethyl-5,15-bis(4'-nitrophenyl)porphyrin-10-propeonate 在
氢氧化钾 作用下,
以
甲醇 、
二氯甲烷 为溶剂,
以64%的产率得到methyl 3,9,13,19-tetraethyl-4,8,14,18-tetramethyl-6,16-bis(4'-nitrophenyl)-3,4,20,21-tetradehydro-18,19-dihydrophorbine-20-carboxylate