Selective esterification of non-conjugated carboxylic acids in the presence of conjugated or aromatic carboxylic acids over active carbon supported methanesulfonic acid  

作　　者：FENG ZeWang ZHAO XinQi BI Hua 

机构地区：[1]School of Materials Science and Engineering,Beijing Institute of Technology,Beijing 100081,China [2]Beijing Huaxi Technology Co.,Ltd.,Beijing 102206,China

出　　处：《Science China Chemistry》2008年第10期990-992,共3页中国科学（化学英文版）

基　　金：the Innovation Fund of Medium or Small Science and Technology Enterprise (Grant No. 05Z074)

摘　　要：Non-conjugated carboxylic acids are selectively esterified in good yields in the presence of conjugated or aromatic carboxylic acids by stirring over active carbon supported methanesulfonic acid in di-chloromethane at room temperature.Non-conjugated carboxylic acids are selectively esterified in good yields in the presence of conjugated or aromatic carboxylic acids by stirring over active carbon supported methanesulfonic acid in dichloromethane at room temperature.

关 键 词：ESTERS ESTERIFICATION CONJUGATION catalysis carboxylic ACIDS 

分 类 号：O621.2[理学—有机化学]