烃基化反应和 Claisen重排 OH OCH CH3 OH Ch3 CH Br OH OCH3 OH +( ChisoOrganic Chemistry Organic Chemistry Xiamen Xiamen University University 烃基化反应和Claisen重排 OH + CH 3CH 2Br OH OCH2CH3 OH + (C H 3 ) 2SO 4 OH OCH3