3,3'-[7,12-bis-(2-hydroxy-ethyl)-3,8,13,17-tetramethyl-5-oxo-5,22-dihydro-21
H,23
H-porphine-2,18-diyl]-bis-propionic acid dimethyl ester 在
甲基磺酰氯 作用下,
以
吡啶 为溶剂,
生成
3,3'-[8-(2-chloro-ethyl)-4,9,13,19-tetramethyl-2,3-dihydro-21H,23H-pyrano[2,3,4-ta]porphine-14,18-diyl]-bis-propionic acid dimethyl ester