((2R,3R,4aS,8aS)-2,3-bis(2-hydroxyphenyl)octahydroquinoxaline-1,4-diyl)bis((3,5-dimethylphenyl)methanone) 、
1,2-双(二氯膦酰)苯 在
三乙胺 作用下,
以
四氢呋喃 、
甲苯 为溶剂,
以66%的产率得到[(1R,17R,19S,24S)-9-[2-[(1R,17R,19S,24S)-18,25-bis(3,5-dimethylbenzoyl)-8,10-dioxa-18,25-diaza-9-phosphapentacyclo[15.8.0.02,7.011,16.019,24]pentacosa-2,4,6,11,13,15-hexaen-9-yl]phenyl]-25-(3,5-dimethylbenzoyl)-8,10-dioxa-18,25-diaza-9-phosphapentacyclo[15.8.0.02,7.011,16.019,24]pentacosa-2,4,6,11,13,15-hexaen-18-yl]-(3,5-dimethylphenyl)methanone