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A new iron-based metal-organic framework with enhancing catalysis activity for benzene hydroxylation

机译:一种新的铁基金属框架,具有增强苯羟基化的催化活性

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摘要

A new Fe- based metal- organic framework (MOF), termed Fe- TBAPy Fe2(OH) 2(TBAPy)$ 4.4H2O, was solvothermally synthesized. Structural analysis revealed that Fe- TBAPy is built from [ Fe(OH)(CO2) 2] N rodshaped SBUs (SBUs 1/4 secondary building units) and 1,3,6,8- tetrakis(p- benzoate) pyrene (TBAPy4 ) linker to form the frz topological structure highlighted by 7 degrees A channels and 3.4 degrees A narrow pores sandwiching between the pyrene cores of TBAPy4 . Consequently, Fe- TBAPy was used as a recyclable heterogeneous catalyst for benzene hydroxylation. Remarkably, the catalysis reaction resulted in high phenol yield and selectivity of 64.5% and 92.9%, respectively, which are higher than that of the other Febased MOFs and comparable with those of the best- performing heterogeneous catalysts for benzene hydroxylation. This finding demonstrated the potential for the design of MOFs with enhancing catalysis activity for benzene hydroxylation.
机译:一种新的Fe-Ceal-Informs框架(MOF),被称为Fe-Tbapy Fe2(OH)2(TBapy)4.4H2O $ 44H2O,在溶剂热合成。 结构分析显示,Fe-Tbapy由[Fe(OH)(CO2)2] N rodshapedSBus(SBus 1/4二级建筑单元)和1,3,6,8-四(p-苯甲酸)芘(TBapy4 )连接器以形成突出的FRZ拓扑结构,突出7摄氏度和3.4度夹在Tbapy4的芘核之间的狭窄孔隙。 因此,使用Fe-Tbapy作为苯羟基化的可再循环的非均相催化剂。 值得注意的是,催化反应分别产生高酚产率和选择性64.5%和92.9%,其高于其他Febased MOF的选择性,并且与最佳性的异质催化剂的苯羟基化的那些相当。 这一发现证明了具有增强苯羟基化的催化活性的MOF的可能性。

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  • 来源
    《RSC Advances》 |2019年第29期|共6页
  • 作者单位

    Nguyen Tat Thanh Univ 300A Nguyen Tat Thanh St Dist 4 Ho Chi Minh City 755414 Vietnam;

    VNU HCM Ctr Innovat Mat &

    Architectures INOMAR Ho Chi Minh City 721337 Vietnam;

    VNU HCM Univ Sci Ho Chi Minh City 721337 Vietnam;

    VNU HCM Univ Sci Ho Chi Minh City 721337 Vietnam;

    Nguyen Tat Thanh Univ 300A Nguyen Tat Thanh St Dist 4 Ho Chi Minh City 755414 Vietnam;

    Ho Chi Minh City Univ Technol &

    Educ Linh Chieu Ward 01 Vo Van Ngan St Ho Chi Minh City 720100 Vietnam;

    Pukyong Natl Univ Dept Display Engn Busan 608737 South Korea;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
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