期刊
CHEMCATCHEM
卷 9, 期 11, 页码 1930-1938出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cctc.201700056
关键词
arenes; hydrogenation; ligand effects; ruthenium; supported catalysts
资金
- IIT Indore
- CSIR, New Delhi
- SERB-DST, New Delhi
- MHRD
We describe a tandem process to generate active Ru nanoparticles (approximate to 7nm) immobilised insitu on carbon from an organometallic precursor and formic acid to afford the hydrogenation of a wide range of arenes and heteroarenes in yields up to 72% with high conversions and selectivities for the desired products. The hydrogenation of several substrates analogous to lignin-derived fragments to the corresponding alicyclic products was also achieved. Our experimental investigations evidenced that the observed enhanced activity for arene hydrogenation was driven by the unique structural advantages of the organometallic precursor to activate formic acid, in which the presence of a nitrogen ligand is crucial to achieve a high catalytic activity. TEM analysis revealed the formation of Ru-0 nanoparticles, and Hg-0 poisoning experiments support the heterogeneous nature of the active catalyst.
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