4.4 Article

Fe-exchanged montmorillonite K10 - the first heterogeneous catalyst for acylation of sulfonamides with carboxylic acid anhydrides

Journal

TETRAHEDRON LETTERS
Volume 45, Issue 24, Pages 4805-4807

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2004.04.077

Keywords

Fe-exchanged montmorillonite; sulfonamides; carboxylic acid anhydrides

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Fe-exchanged montmorillonite K10 catalyzes a highly efficient reaction between sterically and electronically diverse sulfonamides and carboxylic acid anhydrides to furnish N-acylsulfonamides in excellent yield and high selectivity. The catalyst can also be reused several times. (C) 2004 Elsevier Ltd. All rights reserved.

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