methyl 2,8,12,18-tetraethyl-3,7,13,17-tetramethyl-5,15-bis(4'-tolylsulfonyloxyphenyl)porphyrin-10-propenoate 在
三乙胺 作用下,
以
1,2-二氯乙烷 为溶剂,
以71%的产率得到methyl 3,9,13,19-tetraethyl-4,8,14,18-tetramethyl-6,16-bis(4'-tolylsulfonyloxyphenyl)-3,4,20,21-tetradehydro-18,19-dihydrophorbine-20-carboxylate