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Issue 85, 2016
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N-Heterocyclic carbene copper(i) complex-catalyzed synthesis of 2-aryl benzoxazoles and benzothiazoles

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Abstract

A new and efficient synthesis of 2-arylbenzoxazoles and benzothiazoles using a copper N-heterocyclic carbene complex is described. In a simple protocol a variety of 2-substituted benzoxazoles and benzothiazoles were obtained via intramolecular coupling cyclization of 2-haloanilides/2-halothioanilides in good to excellent yields.

Graphical abstract: N-Heterocyclic carbene copper(i) complex-catalyzed synthesis of 2-aryl benzoxazoles and benzothiazoles

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Publication details

The article was received on 20 Jul 2016, accepted on 24 Aug 2016 and first published on 25 Aug 2016


Article type: Paper
DOI: 10.1039/C6RA18510J
RSC Adv., 2016,6, 82401-82408

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    N-Heterocyclic carbene copper(I) complex-catalyzed synthesis of 2-aryl benzoxazoles and benzothiazoles

    J. I. Urzúa, R. Contreras, C. O. Salas and R. A. Tapia, RSC Adv., 2016, 6, 82401
    DOI: 10.1039/C6RA18510J

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