2-(2-chloroethyl)-4-ethyl-6-methoxycarbonyl-7-(3-pyrrolidinylcarbonylpropyl)-1,3,5,8-tetramethylporphyrin 在
potassium diazodicarboxylate 、
三氯氧磷 作用下,
生成 2-(2-chloroethyl)-4-ethyl-6-methoxycarbonyl-1,3,5,8-tetramethyl-7,7-<(α-pyrrolidinium)-tetramethylene>-7,8-chlorin