期刊
ACS CATALYSIS
卷 9, 期 1, 页码 98-104出版社
AMER CHEMICAL SOC
DOI: 10.1021/acscatal.8b04028
关键词
ruthenium nanoparticles; internal alkyne; eta(2) side-on configuration; sigma-pi covalent; interfacial charge transfer; styrene hydrogenation
资金
- National Natural Science Foundation of China [51602106]
- Fundamental Research Funds for Central Universities (SCUT) [2017MS066, 2017MS006]
- Guangdong Innovative and Entrepreneurial Research Team Program [2016ZT06N569]
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.
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