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Alkyne-Functionalized Ruthenium Nanoparticles: Impact of Metal-Ligand Interfacial Bonding Interactions on the Selective Hydrogenation of Styrene

机译:炔烃官能化钌纳米粒子:金属 - 配体界面粘合相互作用对苯乙烯选择性氢化的影响

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摘要

In the present study, ruthenium nanoparticles functionalized with terminal and internal alkynes were prepared, and it was found that internal alkynes formed a eta(2) side-on configuration on the surface of ruthenium nano particles, in sharp contrast to the ruthenium-vinylidene interfacial bonds for terminal alkynes. For the nanoparticles capped with terminal alkyne, hydrogenation of both the vinyl moiety and phenyl ring occurred, whereas selective hydrogenation of the vinyl moiety was observed with internal alkyne-functionalized nanoparticles. This work highlights the importance of the metal-organic interface in the rational design and engineering of the nanoparticle catalyst for organic synthesis.
机译:在本研究中,制备用末端和内部炔烃官能化的钌纳米颗粒,发现内酯在钌纳米颗粒表面上形成ETA(2)侧构型,与钌 - 亚乙烯基界面鲜明对比 艾基末端的债券。 对于用末端炔烃盖上纳米颗粒的纳米颗粒,发生乙烯基部分和苯基环的氢化,而用内酯官能化纳米颗粒观察乙烯基部分的选择性氢化。 这项工作突出了金属有机界面在纳米粒子催化剂的合理设计和工程中的有机合成的重要性。

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  • 来源
    《ACS catalysis》 |2019年第1期|共7页
  • 作者单位

    South China Univ Technol Guangzhou Higher Educ Mega Ctr Guangzhou Key Lab Surface Chem Energy Mat New Energy Res Inst Sch Environm &

    Energy Guangzhou 510006 Guangdong Peoples R China;

    South China Univ Technol Guangzhou Higher Educ Mega Ctr Guangzhou Key Lab Surface Chem Energy Mat New Energy Res Inst Sch Environm &

    Energy Guangzhou 510006 Guangdong Peoples R China;

    South China Univ Technol Guangzhou Higher Educ Mega Ctr Guangzhou Key Lab Surface Chem Energy Mat New Energy Res Inst Sch Environm &

    Energy Guangzhou 510006 Guangdong Peoples R China;

    China Bldg Mat Acad State Key Lab Green Bldg Mat Beijing 100041 Peoples R China;

    South China Univ Technol Sch Environm &

    Energy Guangdong Engn &

    Technol Res Ctr Environm Nanomat Guangzhou 510006 Guangdong Peoples R China;

    South China Univ Technol Sch Environm &

    Energy Guangdong Engn &

    Technol Res Ctr Environm Nanomat Guangzhou 510006 Guangdong Peoples R China;

    South China Univ Technol Guangzhou Higher Educ Mega Ctr Guangzhou Key Lab Surface Chem Energy Mat New Energy Res Inst Sch Environm &

    Energy Guangzhou 510006 Guangdong Peoples R China;

    South China Univ Technol Guangzhou Higher Educ Mega Ctr Guangzhou Key Lab Surface Chem Energy Mat New Energy Res Inst Sch Environm &

    Energy Guangzhou 510006 Guangdong Peoples R China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 物理化学(理论化学)、化学物理学;
  • 关键词

    ruthenium nanoparticles; internal alkyne; eta(2) side-on configuration; sigma-pi covalent; interfacial charge transfer; styrene hydrogenation;

    机译:钌纳米粒子;内部炔;ETA(2)侧面配置;Sigma-PI共价;界面电荷转移;苯乙烯氢化;

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