Improved Synthesis of Benzotriazoles and 1-Acylbenzotriazoles by Ultrasound Irradiation

Claudio   M.P.   Pereira; Helio   A.   Stefani; Karla   P.   Guzen; Aline   T.G.   Orfao

doi:10.2174/157017807780037504

Abstract

Some 1H-benzotriazoles have been synthesised in good yields in short times by reaction of ophenylenediamine with sodium nitrite in acetic acid under ultrasound irradiation. Also, the ultrasoundassisted preparation of 1-acylbenzotriazoles is described.

Keywords: Benzotriazoles, acylbenzotriazoles, ultrasound irradiation, sonochemistry, heterocycles

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Letters in Organic Chemistry

Title: Improved Synthesis of Benzotriazoles and 1-Acylbenzotriazoles by Ultrasound Irradiation

Volume: 4 Issue: 1

Author(s): Claudio M.P. Pereira, Helio A. Stefani, Karla P. Guzen and Aline T.G. Orfao

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Keywords: Benzotriazoles, acylbenzotriazoles, ultrasound irradiation, sonochemistry, heterocycles

Abstract: Some 1H-benzotriazoles have been synthesised in good yields in short times by reaction of ophenylenediamine with sodium nitrite in acetic acid under ultrasound irradiation. Also, the ultrasoundassisted preparation of 1-acylbenzotriazoles is described.

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Pereira M.P. Claudio, Stefani A. Helio, Guzen P. Karla and Orfao T.G. Aline, Improved Synthesis of Benzotriazoles and 1-Acylbenzotriazoles by Ultrasound Irradiation, Letters in Organic Chemistry 2007; 4 (1) . https://dx.doi.org/10.2174/157017807780037504