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Catalysts 2017, 7(1), 7; doi:10.3390/catal7010007

Dehydrogenative Oxidation of Alcohols Catalyzed by Highly Dispersed Ruthenium Incorporated Titanium Oxide

1
Department of Chemistry, Gyeongsang National University and RINS, Jinju 660-701, Korea
2
Institute of Advanced Composite Materials, Korea Institute of Science and Technology, Chudong-ro 92, Bongdong-eup, Wanju-gun, Jeonbuk 565-950, Korea
3
Department of Applied Chemistry, Kyung Hee University, 1 Seochun-Dong, Giheung-Gu, Yongin-Si, Gyeonggi-Do 446-701, Korea
*
Authors to whom correspondence should be addressed.
Academic Editors: Albert Demonceau, Ileana Dragutan and Valerian Dragutan
Received: 30 October 2016 / Revised: 11 December 2016 / Accepted: 21 December 2016 / Published: 28 December 2016
(This article belongs to the Special Issue Ruthenium Catalysts)
View Full-Text   |   Download PDF [7403 KB, uploaded 28 December 2016]   |  

Abstract

Ruthenium incorporated titanium oxides (RuxTiO2) were prepared by a one-step hydrothermal method using Ti(SO4)2 and RuCl3 as the precursor of Ti and Ru, respectively. X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), transmission electron microscope (TEM), Energy-dispersive X-ray spectroscopy (EDS) mapping, and BET were applied for the analyses of catalysts. Ruthenium atoms are well dispersed in the anatase phase of TiO2 and the crystallite size of RuxTiO2 (≈17 nm) is smaller than that of pure TiO2 (≈45 nm). In particular, we found that our homemade pure TiO2 exhibits a strong Lewis acid property. Therefore, the cooperation of ruthenium atoms playing a role in the hydride elimination and the Lewis acid site of TiO2 can efficiently transfer primary alcohols into corresponding aldehydes in an oxidant-free condition. View Full-Text
Keywords: ruthenium catalyst; titanium oxide; dehydrogenative oxidation ruthenium catalyst; titanium oxide; dehydrogenative oxidation
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Kim, Y.; Ahn, S.; Hwang, J.Y.; Ko, D.-H.; Kwon, K.-Y. Dehydrogenative Oxidation of Alcohols Catalyzed by Highly Dispersed Ruthenium Incorporated Titanium Oxide. Catalysts 2017, 7, 7.

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