13,17-tetraethyl-7,18-dimethyl-25,29-dioxasapphyrin (2) and 3,7,18,22-tetraethyl-2,8,17,23-tetramethyl-27-thiasapphyrin (3). In addition the syntheses of two completely new heteroatom substituted sapphyrins; 3,7,18,22-tetraethyl-2,8,17,23-tetramethyl-27-oxasapphyrin (4) and 7,18-diethyl-8,17-dimethyl-25,29-dioxa-27-thiasapphyrin (5), and described in detail. The procedures described provide facile routes
据报道,合成了3,8,12,13,17,22-六乙基-2,7,18,23-四甲基-七叶红素(1)。还介绍了用于形成8,12,13,17-四乙基-7,18-二甲基-25,29-二氧杂
叶黄素(2)和3,7,18,22-四乙基-2,8,17的新合成方法,23-四甲基-27-
硫杂
卟啉(3)。此外,还合成了两种全新的杂原子取代的血红素。3,7,18,22-四乙基-2,8,17,23-四甲基-27-草as红素(4)和7,18-
二乙基-8,17-二甲基-25,29-二氧杂-27-
硫杂草皮素(5)),并进行了详细说明。所描述的程序为扩展的
卟啉大环化合物之一的代表性成员提供了一条便捷的途径。