{(R)-4-[(1R,3aR,4S,7aR)-4-(tert-Butyl-dimethyl-silanyloxy)-7a-methyl-octahydro-inden-1-yl]-pentyl}-phosphonic acid dimethyl ester 在
AG-50W-X
4 cationic exchange resin 作用下,
以
甲醇 为溶剂,
生成
(1R,3aR,7aR)-1-[(2R)-5-dimethoxyphosphorylpentan-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-one