[(2S,3S,4aR,8aR)-4-(3,5-Dimethyl-benzoyl)-2,3-bis-(2-hydroxy-phenyl)-octahydro-quinoxalin-1-yl]-(3,5-dimethyl-phenyl)-methanone 、
三(二甲胺基)膦 以
甲苯 为溶剂,
以81%的产率得到[(1S,17S,19R,24R)-9-(dimethylamino)-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