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Improved Solvent‐Free Dakin Oxidation Protocol

2008; Taylor & Francis; Volume: 38; Issue: 5 Linguagem: Inglês

10.1080/00397910701820673

1532-2432

Emerson Teixeira da Silva, Celso A. Câmara, O. A. C. Antunes, Eliezer J. Barreiro, Carlos Alberto Manssour Fraga,

Multicomponent Synthesis of Heterocycles

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.