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Polymers 2016, 8(2), 44; doi:10.3390/polym8020044

New URJC-1 Material with Remarkable Stability and Acid-Base Catalytic Properties

1
Department of Chemical and Energy Technology, Chemical and Environmental Technology, Mechanical Technology and Analytical Chemistry, ESCET, Rey Juan Carlos University, c/Tulipán s/n, 28933 Móstoles, Spain
2
Department of Chemistry, University of South Florida, 4202 East Fowler Avenue, Tampa, FL 33620, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Félix Zamora
Received: 21 December 2015 / Revised: 27 January 2016 / Accepted: 1 February 2016 / Published: 5 February 2016
(This article belongs to the Special Issue Coordination Polymers: New Materials for Multiple Applications)
View Full-Text   |   Download PDF [6057 KB, uploaded 5 February 2016]   |  

Abstract

Emerging new metal-organic structures with tunable physicochemical properties is an exciting research field for diverse applications. In this work, a novel metal-organic framework Cu(HIT)(DMF)0.5, named URJC-1, with a three-dimensional non-interpenetrated utp topological network, has been synthesized. This material exhibits a microporous structure with unsaturated copper centers and imidazole–tetrazole linkages that provide accessible Lewis acid/base sites. These features make URJC-1 an exceptional candidate for catalytic application in acid and base reactions of interest in fine chemistry. The URJC-1 material also displays a noteworthy thermal and chemical stability in different organic solvents of different polarity and boiling water. Its catalytic activity was evaluated in acid-catalyzed Friedel–Crafts acylation of anisole with acetyl chloride and base-catalyzed Knoevenagel condensation of benzaldehyde with malononitrile. In both cases, URJC-1 material showed very good performance, better than other metal organic frameworks and conventional catalysts. In addition, a remarkable structural stability was proven after several consecutive reaction cycles. View Full-Text
Keywords: URJC-1; MOF; catalyst; stability; acid-basic properties URJC-1; MOF; catalyst; stability; acid-basic properties
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Leo, P.; Martínez, F.; Calleja, G.; Briones, D.; Wojtas, L.; Orcajo, G. New URJC-1 Material with Remarkable Stability and Acid-Base Catalytic Properties. Polymers 2016, 8, 44.

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