钯催化四氟硼酸芳香重氮盐的乙氧基羰基化反应  

Palladium-Catalyzed Ethoxycarbonylation of Arenediazonium Tetrafluoroborates

作　　者：蔡明中[1] 胡荣华[2] 

机构地区：[1]江西师范大学化学与生物科学学院,南昌330027 [2]井冈山师范学院化学系

出　　处：《应用化学》2001年第11期924-926,共3页Chinese Journal of Applied Chemistry

基　　金：江西省自然科学基金资助项目 ( 996 0 48)

摘　　要：Palladium catalyzed ethoxycarbonylation reaction of arenediazonium tetrafluoroborates has been carried out under very mild conditions in the presence of a catalytic amount of Pd(OAc) 2 and CaO to afford a variety of substituted ethyl benzoates in good yields. The effects of the catalyst and the base on ethoxycarbonylation reaction were investigated and CaO was shown to be the best base. The ethoxycarbonylation reaction can tolerate a variety of substituents in the benzene rings and has very high chemoselectivity. This paper provides a simple and practical procedure for syntheses of a variety of substituted ethyl benzoates.Palladium catalyzed ethoxycarbonylation reaction of arenediazonium tetrafluoroborates has been carried out under very mild conditions in the presence of a catalytic amount of Pd(OAc) 2 and CaO to afford a variety of substituted ethyl benzoates in good yields. The effects of the catalyst and the base on ethoxycarbonylation reaction were investigated and CaO was shown to be the best base. The ethoxycarbonylation reaction can tolerate a variety of substituents in the benzene rings and has very high chemoselectivity. This paper provides a simple and practical procedure for syntheses of a variety of substituted ethyl benzoates.

关 键 词：取代苯甲酸乙酯 制备 钯催化 羰基化反应 乙氧基 四氟硼酸芳香重氮盐 钯催化剂 

分 类 号：O627.31[理学—有机化学] O621.251[理学—化学]