(3aR,4S,5R,5aR,8aR)-5-[(1R,2S,3R,4S)-3-(2,2-Dimethyl-propoxy)-1,7,7-trimethyl-bicyclo[2.2.1]hept-2-yloxy]-7,7-dimethyl-decahydro-cyclopenta[c]pentalen-4-ol 在
pyridinium chlorochromate 作用下,
以
二氯甲烷 为溶剂,
反应 72.0h,
以83%的产率得到(1S,5R,7R,8R)-7-[(1R,2S,3R,4S)-3-(2,2-dimethylpropoxy)-1,7,7-trimethylbicyclo[2.2.1]hept-2-yloxy]-10,10-dimethyltricyclo[6.3.0.0
1,5]undecane-6-one