Acetic acid (4S,5R,6R,6aS,10aR)-4-hydroxy-3-isopropyl-6,9,10a-trimethyl-1,2,4,5,6,6a,7,8,10,10a-decahydro-dicyclopenta[a,d]cycloocten-5-yl ester 在
Celite 、
sodium acetate 、
pyridinium chlorochromate 作用下,
以
二氯甲烷 为溶剂,
反应 3.0h,
以77%的产率得到Acetic acid (5R,6R,6aS,10aR)-3-isopropyl-6,9,10a-trimethyl-4-oxo-1,2,4,5,6,6a,7,8,10,10a-decahydro-dicyclopenta[a,d]cycloocten-5-yl ester