trifluoromethanesulfonic acid 17-(1,5-dimethyl-hexyl)-10,13-dimethyl-4,5,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester 、
亚磷酸二甲酯 在
四(三苯基膦)钯 三乙胺 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 1.0h,
以98%的产率得到[(8R,9S,10S,13R,14S,17R)-17-((R)-1,5-Dimethyl-hexyl)-10,13-dimethyl-4,5,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl]-phosphonic acid dimethyl ester