4-甲苯磺酰氰 、
(3a'R,6a'S)-5,5-dimethyltetrahydro-1'H-spiro[1,3-dioxane-2,2'-pentalen]-5'(3'H)-one 在
lithium [R(R*,R*)]-(+)-bis(α-methylbenzyl)amide 、 sodium tetrahydroborate 作用下,
以
四氢呋喃 、
正己烷 、
乙醇 为溶剂,
反应 6.67h,
生成
(+)-(3a'S,4'R,5'R,6a'R)-[4'-cyanooctahydro-5,5-dimethylspiro[1,3-dioxan-2,2'(1'H)-pentalene]]-5-ol 、
(+)-(3a'S,4'S,5'R,6a'R)-[4'-cyanooctahydro-5,5-dimethylspiro[1,3-dioxan-2,2'(1'H)-pentalene]]-5-ol 、 (-)-(3a'R,4'R,5'S,6a'S)-[4'-cyanooctahydro-5,5-dimethylspiro[1,3-dioxan-2,2(1'H)-pentalene]]-5-ol 、 (-)-(3a'R,4'S,5'S,6a'S)-[4'-cyanooctahydro-5,5-dimethylspiro[1,3-dioxan-2,2'(1'H)-pentalene]]-5-ol