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Study of the reactivity of subtituted phthalic acids and anhydrides in condensation reactions with N-carboxymethylpyridinium salts and the synthesis of novel N-(1H-indene-1,3(2H)-dion-2-Yl)pyridinium betaines

Study of the reactivity of subtituted phthalic acids and anhydrides in condensation reactions... Reaction of substituted phthalic acids or their anhydrides (including pyromellitic dianhydride) with salts of N-carboxymethylpyridinium and substituted N-carboxymethylpyridinium in the presence of acetic anhydride and triethylamine in acetonitrile or acetic acid solutions gave a series of novel N-(1H-indene-1,3(2H)-dion-2-yl)pyridinium betaines. Electron acceptors substitutents in the phthaloyl and pyridine rings were found to increase and electron donor substituents-to decrease the reactivity. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Chemistry of Heterocyclic Compounds Springer Journals

Study of the reactivity of subtituted phthalic acids and anhydrides in condensation reactions with N-carboxymethylpyridinium salts and the synthesis of novel N-(1H-indene-1,3(2H)-dion-2-Yl)pyridinium betaines

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References (3)

Publisher
Springer Journals
Copyright
Copyright © 1999 by Kluwer Academic/Plenum Publishers
Subject
Chemistry; Organic Chemistry; Pharmacy
ISSN
0009-3122
eISSN
1573-8353
DOI
10.1007/BF02251820
Publisher site
See Article on Publisher Site

Abstract

Reaction of substituted phthalic acids or their anhydrides (including pyromellitic dianhydride) with salts of N-carboxymethylpyridinium and substituted N-carboxymethylpyridinium in the presence of acetic anhydride and triethylamine in acetonitrile or acetic acid solutions gave a series of novel N-(1H-indene-1,3(2H)-dion-2-yl)pyridinium betaines. Electron acceptors substitutents in the phthaloyl and pyridine rings were found to increase and electron donor substituents-to decrease the reactivity.

Journal

Chemistry of Heterocyclic CompoundsSpringer Journals

Published: Oct 25, 2005

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