2000•Organic LettersRequires access

Hydrogen Bonds in Carboxylic Acid−Carboxylate Systems in Solution. 1. In Anhydrous, Aprotic Media

Arno Brück, Layton L. McCoy, Kathleen V. Kilway

Abstract

Preliminary NMR studies on hydrogen bonding of carboxylic acid-carboxylate systems in an anhydrous, aprotic solvent are presented. In all cases, a low-field resonance (16-20 ppm) indicative of strong hydrogen bonding was observed. From these results, it seems probable that this characteristic downfield shift should be exhibited by all carboxylic acid-carboxylate systems in anhydrous, aprotic media.

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Key concepts: Anhydrous, Chemistry, Carboxylate, Hydrogen bond, Carboxylic acid, Solvent, Hydrogen, Polymer chemistry