10-hydroxy-8-isopropyl-7-methoxy-1,1-dimethyl-1,2,3,4,5,10,11,11a-octahydro-4a,10-epoxydibenzo[a,d][7]annulene-6,9-dione 在
palladium 10% on activated carbon 、
氢气 作用下,
以
乙酸乙酯 为溶剂,
反应 20.0h,
以100%的产率得到4a,6,9-trihydroxy-8-isopropyl-7-methoxy-1,1-dimethyl-1,2,3,4,4a,5,11,11a-octahydro-10H-dibenzo[a,d][7]annulen-10-one