[(2S,3S,4aR,8aR)-2,3-Bis-(2-hydroxy-phenyl)-4-(4-methyl-benzoyl)-octahydro-quinoxalin-1-yl]-p-tolyl-methanone 、
三(二甲胺基)膦 以
甲苯 为溶剂,
以85%的产率得到[(1S,17S,19R,24R)-9-(dimethylamino)-25-(4-methylbenzoyl)-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]-(4-methylphenyl)methanone