(4R,6S)-4-allyl-6-<2-<(3''S,4''R)-4''-(tert-butyldimethylsiloxy)-3'',5''-dimethylhexyl>-1',3'-dithian-2'-ylmethyl>-2,2-dimethyl-1,3-dioxane 在
盐酸 、 mercury dichloride 作用下,
生成 (2R,4S,6R,8R,9S)-4-Hydroxy-8-isopropyl-9-methyl-2-prop-2-enyl-1,7-dioxaspiro<5.5>undecane