Physical Chemistry Chemical Physics

Trimethylglycine complexes with carboxylic acids and HF: solvation by a polar aprotic solvent

J Guo, B Koeppe, PM Tolstoy

文献索引：Guo, Jing; Koeppe, Benjamin; Tolstoy, Peter M. Physical Chemistry Chemical Physics, 2011 , vol. 13, # 6 p. 2335 - 2341

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被引用次数: 4

摘要

A series of strong H-bonded complexes of trimethylglycine, also known as betaine, with acetic, chloroacetic, dichloroacetic, trifluoroacetic and hydrofluoric acids as well as the homo- conjugated cation of betaine with trifluoroacetate as the counteranion were investigated by low-temperature (120–160 K) liquid-state NMR spectroscopy using CDF3/CDF2Cl mixture as the solvent. The temperature dependencies of 1H NMR chemical shifts are analyzed in ...