(S)-2-[(1R,3aR,6R,7aR)-octahydro-6,7a-dimethyl-4-oxo-4H-inden-1-yl]propyl 4-(9-tetrahydropyranyloxynonan-1-oxy)benzenesulfonate 在
(+)-10-camphorsulfonic acid 作用下,
以
甲醇 为溶剂,
反应 2.0h,
以96%的产率得到(S)-2-[(1R,3aR,6R,7aR)-octahydro-6,7a-dimethyl-4-oxo-4H-inden-1-yl]propyl 4-(9-hydroxynonan-1-oxy)benzenesulfonate