4-[(5Z,10Z,14Z,19Z)-8,12,17-Tris-(2-methoxycarbonyl-ethyl)-3,7,13,18-tetramethyl-porphyrin-2-yl]-butyric acid methyl ester 在
氢氧化钾 、 sodium amalgam 作用下,
生成 4-[8,12,17-Tris(2-carboxyethyl)-3,7,13,18-tetramethyl-5,10,15,20,21,22,23,24-octahydroporphyrin-2-yl]butanoic acid