聚γ-（甘-丙二肽基）丙基硅氧烷钯催化剂的合成、加氢活性及结构表征

聚γ-（甘-丙二肽基）丙基硅氧烷钯催化剂的合成、加氢活性及结构表征 THE SYNTHESIS,HYDROGENATION ACTIVITY AND STRUCTURAL CHARACTERIZATION OF POLY γ （L GLYCYLALANINE） PROPYL SILOXANE PALLADIUM CATALYSTS 陈诗煌 Chen Shihuang 1 2 first-author 刘基万 Liu Jiwan 1 2 游江 You Jiang 1 2 张晓慧 1 2 武汉大学化学系 武汉大学化学系 Chemistry Department of Wuhan University,Wuhan 430072,China) Zhang Xiaohui Chemistry Department of Wuhan University,Wuhan 430072,China) Zhang Xiaohui 江汉大学环境保护系 江汉大学环境保护系 合成了不同Ｎ／Ｐｄ摩尔比的聚γ－（甘－丙二肽基）丙基硅氧烷钯催化剂，用元素分析、红外差谱、ＸＰＳ表征了它们的结构，讨论了催化剂对不同底物的加氢活性以及Ｎ／Ｐｄ摩尔比、溶剂、反应温度对催化活性的影响 This paper describes the synthesis of poly γ （L glycylalanine） propylsiloxane palladium catalysts with different N/Pd molar ratios and their catalytic activity.XPS data of the title catalyst indicated that the active center may be complex compound composed of the C OOH and N H 2 of amino acid ligand and PdCl 2.The hydrogenation activity of the title catalysts is very high for acrylonitrile,propenol and acrylic acid,but inactive for α methyl acrylic acid and 1 decene.The influence of solvents,N/Pd molar tatio,and reaction temperature on catalytic hydrogenation of acrylonitrile was studied respectively. 高分子催化剂 氨基酸 加氢活性 polymer catalyst amino acid hydrogenation activity O634.4 国家自然科学基金(61672102) 1997-06-01 2021-04-01 6