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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 38, 2008 - Issue 5
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Original Articles

Improved Solvent‐Free Dakin Oxidation Protocol

Emerson Teixeira da Silva Chemistry Institute, Federal University of Rio de Janeiro, Cidade Universitária, Rio de Janeiro, Brazil; Nortec Química, Duque de Caxias, Brazil
,
Celso Amorim Câmara Chemistry Department, Rural Federal University of Pernambuco, Recife, Brazil
,
O. A. C. Antunes Chemistry Institute, Federal University of Rio de Janeiro, Cidade Universitária, Rio de Janeiro, Brazil; Nortec Química, Duque de Caxias, Brazil
,
Eliezer J. Barreiro Laboratório de Avaliação e Síntese de Substâncias Bioativas, Federal University of Rio de Janeiro, Faculty of Pharmacy, Rio de Janeiro, Brazil
&
Carlos A. M. Fraga Laboratório de Avaliação e Síntese de Substâncias Bioativas, Federal University of Rio de Janeiro, Faculty of Pharmacy, Rio de Janeiro, BrazilCorrespondence[email protected]
Pages 784-788 | Received 05 Sep 2007, Published online: 15 Feb 2008
 
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Abstract

A solvent‐free Dakin reaction with mCPBA was accomplished with various aromatic aldehydes, resulting in an easy and improved methodology for the preparation of corresponding phenols. 3,4‐Methylenedioxyphenol, 3,4‐dimethoxyphenol, 4‐methoxyphenol, 4‐chlorophenol, and other functionalized phenols were obtained in high yields from the corresponding aromatic aldehydes in a few minutes. This new methodology represents an efficient alternative for this important synthetic conversion.

Acknowledgments

Thanks are due to Conselho Nacional de Desenrolvimento Científico e Tecnológico (CNPq, BR) and Fundação Carlos Chagas Filho de Amparo a Pesquisa do Estado do Rio de Janeiro (FAPERJ, BR) for financial support and fellowships.

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