Benzoic acid (3S,3aS,3bR,7S,7aR)-7-acetoxy-2,2,3b-trimethyl-2,3,3a,3b,4,5,7,7a-octahydro-1H-cyclopenta[a]pentalen-3-yl ester 在
溶剂黄146 、 CrO
3-3.5-dimethylpyrazole 、
锌 作用下,
反应 9.0h,
生成 (3aS,3bR,4R,6aS)-(-)-6-(Benzoyloxy)-3,3a,3b,4,5,6,6a,7-octahydro-3a,5,5-trimethyl-2H-cyclopenta
pentalen-2-on