(3R,3aR)-7-Methoxy-6-methyl-2,3,4,5-tetrahydro-cyclopenta[a]naphthalene-3,3a-dicarboxylic acid dimethyl ester 在
palladium on activated charcoal
sodium hydroxide 、
氢气 作用下,
以
甲醇 为溶剂,
生成
3-carboxy-3a-carbomethoxy-7-methoxy-6-methylbenzo<4,5>hexahydroindan