PS-HQ:More convenient in situ polymeric cocatalyst for the PdC1_2-catalyzed acetalization in supercritical carbon dioxide  

作　　者：Zhao Yang Wang Huan Feng Jiang Chao Rong Qi Yan Xia Shen Shao Rong Yang 

机构地区：[1]College of Chemistry, South China University of Technology, Guangzhou 510640, China [2]Department of Chemistry, South China Normal University Guangzhou 510006, China

出　　处：《Chinese Chemical Letters》2007年第8期969-972,共4页中国化学快报（英文版）

摘　　要：Polystyrene-supported hydroquinone （PS-HQ） is presented as an in situ polymeric cocatalyst to replace polystyrenesupported benzoquinone （PS-BQ） in the PdCl2-catalyzed acetalization of methyl acrylate with methanol in supercritical carbon dioxide （scCO2） under oxygen atmosphere. Due to deletion of H2O2 oxidation step, PS-HQ is more convenient and relatively inexpensive.Polystyrene-supported hydroquinone （PS-HQ） is presented as an in situ polymeric cocatalyst to replace polystyrenesupported benzoquinone （PS-BQ） in the PdCl2-catalyzed acetalization of methyl acrylate with methanol in supercritical carbon dioxide （scCO2） under oxygen atmosphere. Due to deletion of H2O2 oxidation step, PS-HQ is more convenient and relatively inexpensive.

关 键 词：Palladium chloride Polymeric supported catalyst HYDROQUINONE Oxidation Wacker reaction Molecular oxygen 

分 类 号：O643.36[理学—物理化学]