Expeditious Pechmann Condensation by Using Biodegradable Cellulose Sulfuric Acid as a Solid Acid Catalyst

A facile synthesis of coumarins was performed in excellent yields via Pechmann condensation by using different type of phenols and ethylacetoacetates under solvent-free media using both conventional method and microwave irradiation in short reaction times is described. The reaction workup is very si...

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Published inSynthetic communications Vol. 40; no. 22; pp. 3358 - 3364
Main Authors Kuarm, B. Suresh, Madhav, J. Venu, Laxmi, S. Vijaya, Rajitha, B., Reddy, Y. Thirupathi, Reddy, P. Narsimha, Crooks, Peter A.
Format Journal Article
LanguageEnglish
Published PHILADELPHIA Taylor & Francis Group 01.01.2010
Taylor & Francis
Taylor & Francis Ltd
Subjects
Biodegradability
Catalysts
Cellulose
Cellulose sulfuric acid
Chemistry
Chemistry, Organic
Condensation
Coumarin
coumarins
Pechmann condensation
Phenols
Physical Sciences
Science & Technology
solvent-free conditions
Sulfuric acid
ONE-POT SYNTHESIS
Cellulose sulfuric acid
coumarins
solvent-free conditions
Pechmann condensation
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Summary:A facile synthesis of coumarins was performed in excellent yields via Pechmann condensation by using different type of phenols and ethylacetoacetates under solvent-free media using both conventional method and microwave irradiation in short reaction times is described. The reaction workup is very simple, and the catalyst can be easily separated from the reaction mixture and reused several times in subsequent reactions.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0039-7911
1532-2432
DOI:10.1080/00397910903419860