(1aR,3aS,5S,7aS,7bS)-5-Acetoxy-1a,4,4,7a-tetramethyl-octahydro-1-oxa-cyclopropa[a]naphthalene-7b-carboxylic acid methyl ester 在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 22.0h,
以286 mg的产率得到(1aR,3aS,5S,7aS,7bS)-5-Hydroxy-1a,4,4,7a-tetramethyl-octahydro-1-oxa-cyclopropa[a]naphthalene-7b-carboxylic acid methyl ester