Tetrahedron Letters

Microwave acceleration of the Pechmann reaction on graphite/montmorillonite K10: application to the preparation of 4-substituted 7-aminocoumarins

S Frère, V Thiéry, T Besson

Index: Frere, Stephane; Thiery, Valerie; Besson, Thierry Tetrahedron Letters, 2001 , vol. 42, # 15 p. 2791 - 2794

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Citation Number: 148

Abstract

Efficient synthesis of 7-aminocoumarins was performed via the Pechmann reaction by microwave irradiation of the reactants on solid support (graphite/montmorillonite K10). In this convenient new methodology, the strong thermal effect due to graphite/microwaves interaction is associated with the acidic catalyst role of the clay.

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