6-(3,5,5,8,8-Pentamethyl-5,6,7,8-tetrahydro-naphthalene-2-carbonyl)-naphthalene-2-carboxylic acid methyl ester 在
sodium hydroxide 、 sodium tetrahydroborate 作用下,
生成 6-[Hydroxy-(3,5,5,8,8-pentamethyl-6,7-dihydronaphthalen-2-yl)methyl]naphthalene-2-carboxylic acid