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Ceria-Based Mixed Oxide Supported Nano-Gold as an Efficient and Durable Heterogeneous Catalyst for Oxidative Dehydrogenation of Amines to Imines Using Molecular Oxygen

*Bashir Ahmad Dar  -  Indian Institute of Integrative Medicine (CSIR), Canal Road, Jammu, India-180001, India
Meena Sharma  -  Department of Chemistry University of Jammu. (J & K), India-180004, India
Baldev Singh  -  Indian Institute of Integrative Medicine (CSIR), Canal Road, Jammu, India-180001, India

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The present work is intended to determine the catalytic activity of Mixed Oxide supported gold for aerobic oxidative dehydrogenation of amines to imines using Ceria as a main constituent of the each support. The model catalysts Au/CeO2:TiO2 Au/CeO2:SiO2, Au/CeO2:ZrO2 and Au/CeO2:Al2Os were prepared by deposition co-precipitation method and deposition of gold was determined by EDEX analysis. The supported nano-gold catalyzes the dehydrogenation of secondary amines to imines without loss of activity. On recycling good amount of product yield is obtained. Oxidation of secondary amines to imines is carried at 100˚C and almost 90 % conversion was obtained with >99% selectivity. © 2012 BCREC UNDIP. All rights reserved

Received: 26th December 2011; Revised: 7th June 2012; Accepted: 13rd June 2012

[How to Cite: B.A. Dar, M. Sharma, B. Singh. (2012). Ceria-Based Mixed Oxide Supported Nano-Gold as an Efficient and Durable Heterogeneous Catalyst for Oxidative Dehydrogenation of Amines to Imines Using Molecular Oxygen. Bulletin of Chemical Reaction Engineering & Catalysis, 7(1): 79-84.  doi:10.9767/bcrec.7.1.1257.79-84]

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Keywords: Heterogeneous Catalyst; Nano-Gold; Metal Oxides; Imines
Funding: csir india

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