醋酸叔丁酯 、
5-[2-(2-Methoxy-ethoxymethoxy)-eth-(Z)-ylidene]-1-methyl-7-oxa-bicyclo[4.1.0]heptane 生成 {(1R,2R)-2-Hydroxy-6-[2-(2-methoxy-ethoxymethoxy)-eth-(Z)-ylidene]-2-methyl-cyclohexyl}-acetic acid tert-butyl ester 、 {(1R,2R)-2-Hydroxy-6-[2-(2-methoxy-ethoxymethoxy)-eth-(E)-ylidene]-2-methyl-cyclohexyl}-acetic acid tert-butyl ester