(R)-2-[(1R,3aR,7aR)-octahydro-7a-methyl-4-oxo-4H-inden-1-yl]propyl 4-[9-[(1,1-dimethylethyl)dimethylsilyloxy]nonan-1-oxy]benzenesulfonate 在
(+)-10-camphorsulfonic acid 作用下,
以
甲醇 为溶剂,
反应 0.5h,
以100%的产率得到(R)-2-[(1R,3aR,7aR)-octahydro-7a-methyl-4-oxo-4H-inden-1-yl]propyl 4-(9-hydroxynonan-1-oxy)benzenesulfonate