对甲苯磺酰肼 、
(3aRS,4SR,8SR,9aSR,9bRS)-2,3,3a,4,5,7,8,9,9a,9b-decahydro-3-oxo-4,8-dimethylnaphtho<1,8-bc>pyran 以
甲醇 为溶剂,
反应 18.0h,
以94%的产率得到(3aRS,4SR,8SR,9aSR,9bRS)-2,3,3a,4,5,7,8,9,9a,9b-decahydro-4,8-dimethyl-3-oxonaphtho<1,8-bc>pyran p-toluenesulfonylhydrazone