| abstract |
(57) [Summary] [PROBLEMS] To provide a synthesis method economically and easily expandable to an industrial scale. The present invention provides a 5-alkylated benzo [1,1 3] A new method for the synthesis of dioxol. This method includes the following steps in order. That is, catalytic hydrogenation of 4-acylphenol, acylation, substitution using Lewis acid as a catalyst, treatment with an inorganic basic compound and hydrogen peroxide, and reaction with an alkyldihalide or dialkoxyalkane. |