(2S,4aS,8aR)-6'-methylspiro[3,4,4a,5,6,7,8,8a-octahydrochromene-2,2'-3H-pyran]-4'-one 在
palladium on activated charcoal sodium tetrahydroborate 、
氢气 作用下,
生成 (2R,4'R,4aS,6'S,8aR)-6'-methylspiro[3,4,4a,5,6,7,8,8a-octahydrochromene-2,2'-oxane]-4'-ol 、
(2R,4'S,4aS,6'S,8aR)-6'-methylspiro[3,4,4a,5,6,7,8,8a-octahydrochromene-2,2'-oxane]-4'-ol