乙酸酐 、
(3'aS,6'R,8'S,8'aR,12'aR,13'aS)-decahydro-8'-hydroxy-8'a,14',14'-trimethylspiro<1,3-dithiolane-2,12'(9'H)-<4H-3a,6>methanobenzo<4,5>cyclodeca<1,2-d><1,3>dioxole>-2'-butanol 8'-acetate 在
吡啶 、
N-[(2,4-二氯苯氧基)-甲氧基硫代膦酰]丙-2-胺 作用下,
以92%的产率得到(3'aS,6'R,8'S,8'aR,12'aR,13'aS)-decahydro-8'-hydroxy-8'a,14',14'-trimethylspiro<1,3-dithiolane-2,12'(9'H)-<4H-3a,6>methanobenzo<4,5>cyclodeca<1,2-d><1,3>dioxole>-2'-butanol diacetate