Phosphoric acid diethyl ester 1-((6S,8aS)-6-hydroxy-5,5,8a-trimethyl-3,4,4a,5,6,7,8,8a-octahydro-naphthalen-1-yl)-vinyl ester 、
叔丁基二甲基氯硅烷 在
咪唑 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以100%的产率得到Phosphoric acid 1-[(6S,8aS)-6-(tert-butyl-dimethyl-silanyloxy)-5,5,8a-trimethyl-3,4,4a,5,6,7,8,8a-octahydro-naphthalen-1-yl]-vinyl ester diethyl ester