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Molecules 2008, 13(12), 3236-3245; doi:10.3390/molecules13123236

Organocatalytic Oxidative Dehydrogenation of Dihydroarenes by Dioxygen Using 2,3-Dichloro-5,6-dicyano-benzoquinone (DDQ) and NaNO2

State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P. R. China
Graduate University of the Chinese Academy of Sciences, Beijing 100049, P. R. China
Department of Chemistry, Institute of Catalysis, Zhengzhou University, Zhengzhou 450001, P. R. China
Author to whom correspondence should be addressed.
Received: 5 November 2008 / Revised: 10 December 2008 / Accepted: 12 December 2008 / Published: 18 December 2008
(This article belongs to the Special Issue Organocatalysis)
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The oxidative dehydrogenation of dihydroarenes catalyzed by 2,3-dichloro-5,6-dicyano-benzoquinone(DDQ) and NaNO2 with dioxygen is reported. The combination of DDQ and NaNO2 showed high efficiency and high selectivity, compared with other benzoquinones and anthraquinones, e.g., >99% conversion of 9,10-dihydroanthracene with 99% selectivity for anthracene can be obtained at 120 °C under 1.3 MPa O2 for 8 h. Excellent results were achieved in the oxidative dehydrogenation of variety of dihydroarenes. View Full-Text
Keywords: Oxidative dehydrogenation; DDQ; Dioxygen; Redox couples Oxidative dehydrogenation; DDQ; Dioxygen; Redox couples

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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Zhang, W.; Ma, H.; Zhou, L.; Sun, Z.; Du, Z.; Miao, H.; Xu, J. Organocatalytic Oxidative Dehydrogenation of Dihydroarenes by Dioxygen Using 2,3-Dichloro-5,6-dicyano-benzoquinone (DDQ) and NaNO2. Molecules 2008, 13, 3236-3245.

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