摘要/Abstract

合成了一种2，2'-联吡啶功能化的微孔有机聚合MOP-bipy，与Pd（CH₃CN）₂Cl₂络合后得到一种复合材料Pd/MOP-bipy.用碳固体核磁（¹³C CP/MAS NMR）、傅里叶变换红外光谱（FT-IR）、粉末X射线衍射（PXRD）、扫描电子显微镜（SEM）、透射电子显微镜（TEM）、氮气吸附（nitrogen adsorption）和热重分析（TG）对材料进行表征.用电感耦合高频等离子光谱（ICP）和X射线光电子能谱（XPS）确定了Pd/MOP-bipy材料中Pd的含量和价态.该复合材料在水相催化Suzuki-Miyaura反应和甲醇与水的混合溶剂中催化Sonogashira偶联反应中表现出卓越的催化活性.Pd/MOP-bipy催化剂表现出至少五次循环的重复利用性.
关键词: 微孔有机聚合物, 多相催化, 钯, Suzuki-Miyaura反应, Sonogashira偶联反应
A microporous organic polymer bearing 2, 2'-bipyridine functional group (MOP-bipy), has been synthesized. After treating with Pd (CH₃CN)₂Cl₂, a composite material Pd/MOP-bipy was obtained. The materials have been characterized by ¹³C CP/MAS NMR, FT-IR, PXRD, SEM, TEM, nitrogen adsorption and thermogravimetric (TG) techniques. The content and valence of palladium in Pd/MOP-bipy have been determined by ICP and XPS. The composite material Pd/MOP-bipy exhibits excellent catalytic activity for Suzuki-Miyaura reaction in water and Sonogashira coupling reaction in methanol/water. The catalyst can be recycled at least five times without significant loss of the activity.
Key words: microporous organic polymer, heterogeneous catalysis, palladium, Suzuki-Miyaura coupling, Sonogashira coupling


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