NDLI: Unique nanocages of 12CaO·7Al<sub>2</sub>O<sub>3</sub> boost heterolytic hydrogen activation and selective hydrogenation of heteroarenes over ruthenium catalyst

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Unique nanocages of 12CaO·7Al₂O₃ boost heterolytic hydrogen activation and selective hydrogenation of heteroarenes over ruthenium catalyst

Content Provider	Royal Society of Chemistry (RSC)
Author	Kitano, Masaaki Hosono, Hideo Ye, Tian-Nan Li, Jiang
Copyright Year	2017
Abstract	The chemoselective hydrogenation of heteroarenes is one of the most important synthetic reactions for the production of key intermediates in agrochemicals, pharmaceuticals and various fine chemicals. The development of new heterogeneous catalysts for the environmentally benign synthesis of heterocycle hydrogenated products is a fundamental objective for chemists. Here, we report that 12CaO·7Al2O3 with a unique sub-nanocage structure loaded with Ru nanoparticles exhibits higher activity, chemoselectivity and sustainability for the hydrogenation of heteroarenes in a solvent-free system than traditional oxide-supported metal catalysts. Conversion of >99% and a selectivity close to 99% were achieved for the hydrogenation of quinoline under mild conditions. This catalyst was also successfully applied to the hydrogenation of a variety of N- and O-heteroarenes with high yields. The superior catalytic performance can be attributed to a cooperative effect between the hydrogen-storage ability and large amount of strong basic sites on the surface of the support, which promotes heterolytic H2 cleavage and prevents poisoning of the metal surface caused by the adsorption of heteroarenes.
Starting Page	749
Ending Page	756
Page Count	8
File Format	HTM / HTML PDF
ISSN	14639262
Volume Number	19
Issue Number	3
Journal	Green Chemistry
DOI	10.1039/c6gc02782b
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Hydrogenation Heterocyclic compound Chemoselectivity Quinoline Adsorption
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Pollution

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Tuning chemical compositions of bimetallic AuPd catalysts for selective catalytic hydrogenation of halogenated quinolines

Ruthenium hydroxide on magnetite as a magnetically separable heterogeneous catalyst for liquid-phase oxidation and reduction

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Synthesis of chloroanilines: selective hydrogenation of the nitro in chloronitrobenzenes over zirconia-supported gold catalyst

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Thermal diffusivity of sintered 12CaO-7Al2O3

Unique nanocages of 12CaO·7Al₂O₃ boost heterolytic hydrogen activation and selective hydrogenation of heteroarenes over ruthenium catalyst

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