Abstract
Solute–solvent interactions in binary mixtures of 1-methyl-2-pyrrolidone (NMP) with some substituted benzenes have been monitored using 1H n.m.r. spectroscopy. Changes in the chemical shift (Δδ) of alkyl protons adjacent to the amide group have been determined and NMP found to be an electron-accepting molecule. The electron-donating ability of the aromatic ring varies with ring substitution. Satisfactory correlations are found between ΔδCH2N and ΔδArH and excess volume of mixing.
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Schedule a callMore From: Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases
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