Document Detail


Transesterification of Diethyl Oxalate with Phenol over Sol-Gel MoO(3) /TiO(2) Catalysts.
MedLine Citation:
PMID:  22821928     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The transesterification of diethyl oxalate (DEO) with phenol to form diphenyl oxalate (DPO) has been carried out in the liquid phase over very efficient MoO(3) /TiO(2) solid-acid sol-gel catalysts. A selectivity of 100 % with a remarkable maximum yield of 88 % were obtained, which opens the route to downstream phosgene-free processes for the synthesis of polycarbonates. Interpretation of the results of various acidity measurements (NH(3) and pyridine desorption, methanol oxidation as a probe reaction) allowed us to identify the catalytic sites as Lewis acid sites.
Authors:
Trupti Kotbagi; Duy Luan Nguyen; Christine Lancelot; Carole Lamonier; Kaew-Arpha Thavornprasert; Zhu Wenli; Mickaël Capron; Louise Jalowiecki-Duhamel; Shubhangi Umbarkar; Mohan Dongare; Franck Dumeignil
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-7-23
Journal Detail:
Title:  ChemSusChem     Volume:  -     ISSN:  1864-564X     ISO Abbreviation:  -     Publication Date:  2012 Jul 
Date Detail:
Created Date:  2012-7-23     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101319536     Medline TA:  ChemSusChem     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Affiliation:
Catalysis Division, National Chemical Laboratory, Pune, 411008 (India), Fax: (+91) 20-25903761.
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