4.4 Article

Synthesis of new iminocoumarins and their transformations into N-chloro and hydrazono compounds

Journal

TETRAHEDRON
Volume 61, Issue 29, Pages 7012-7021

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2005.05.020

Keywords

Knoevenagel condensation; iminocoumarins; coumarins; N-chlorination; N-chloro iminocoumarins; N-hydrazonocumarins

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The Knoevenagel reaction between 2-hydroxybenzaldehydes and active methylene compounds (malononitrile and ethyl cyanoacetate) produces iminocoumarins and/or coumarins. In order to study the reactivity of the prepared iminocoumarins, chlorination and reaction with N-nucleophiles were studied. (c) 2005 Elsevier Ltd. All rights reserved.

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