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后修饰法合成介孔钴金属有机框架及其催化烯烃环氧化 被引量:3

A New Mesoporous Cobalt Metal-organic Framework was Synthesized by Post-functionalization and Its Application for the Epoxidation of Olefins
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摘要 通过后修饰水热合成法制备了新型Co2+配位的金属有机框架材料,并采用红外、电感耦合等离子分析和N2吸附等技术手段对其进行了表征。在氧气/异丁醛反应体系中,介孔钴金属有机框架对烯烃环氧化反应表现出较高的活性。其中,环辛烯的转化率及环氧环辛烷的选择性分别达到了94%和91%,转化频率(TOF)值为509 h-1。催化剂循环使用5次之后,其结构和活性无明显变化。 A newly Co2+ coordinated metal-organic framework had been successfully synthesized via one-step post-functionalization by hydrothermal method and characterized by Fourier transform infrared spectrometer,N2 adsorption and inductively coupled plasma.Using O2 as oxidant,mesoporous cobalt metal-organic framework was investigated as a heterogeneous catalytic material for the epoxidation of various olefins.Among them,the conversion of cyclooctene and the selectivity of epoxycyclooctane are 94% and 91%,respectively,and the turnover frequency is 509 h^-1.PCN-100(Co) exhibits excellent stabihties in 5 recycles without any loss of catalytic performance.
出处 《应用化学》 CAS CSCD 北大核心 2014年第7期799-805,共7页 Chinese Journal of Applied Chemistry
基金 中国博士后科学基金(2013M541257)资助项目~~
关键词 金属有机框架 后修饰 烯烃环氧化 分子氧 metal-organic framework post-functionalization olefins epoxidation molecular oxygen
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