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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 29, 1999 - Issue 14
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Original Articles

Synthesis of Substituted 3-Aminocoumarins from Ethyl N-2-Hydroxyarylideneglycinates

Pages 2533-2537 | Published online: 17 Sep 2007
 

Abstract

3-Aminocoumarin and its derivatives are prepared by a thermal (150-170°C) conversion reaction on the corresponding ethyl N-2-hydroxyarylidene-glycinates,[2-HOC6H3(X)CH=NCH2CO2C2H5; X = H, 5-Br, 5-OH, 5-NO2, 3-OMe, 4-OMe, and 5,6-benzo], which are synthesized by condensing ethyl glycinate hydrochloride with substituted salicylaldehyde.

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