6-Isopropyl-3-methyl-4-oxo-cyclohex-2-enecarboxylic acid methyl ester 在
potassium fluoride 、
氧气 作用下,
以
二甲基亚砜 为溶剂,
生成 1-Hydroxy-6-isopropyl-3-methyl-4-oxo-cyclohex-2-enecarboxylic acid methyl ester 、 3-Hydroxy-6-isopropyl-3-methyl-4-oxo-cyclohex-1-enecarboxylic acid methyl ester