Deuterium isotope effects on 15N chemical shifts of double Schiff bases in the solid state and solution

被引：26

作者：

Dziembowska, T

Ambroziak, K

Rozwadowski, Z

Schiff, W

Kamienski, B

机构：

[1] Tech Univ Szczecin, Inst Chem & Environm Prot, PL-41065 Szczecin, Poland

[2] Polish Acad Sci, Inst Organ Chem, PL-01224 Warsaw, Poland

来源：

MAGNETIC RESONANCE IN CHEMISTRY | 2003年 / 41卷 / 02期

关键词：

NMR; N-15; deuterium isotope effects; solid state; Schiff bases;

D O I：

10.1002/mrc.1143

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The proton transfer equilibrium in a series of double Schiff base derivatives of trans-1,2-diaminocyclohexane in solution and the solid state was studied by means of N-15 NMR spectroscopy and analysis of the deuterium isotope effect on the chemical shifts Delta(15)N(D). The presence of a proton transfer equilibrium in the N-2-hydroxynaphthylidene moieties of the Schiff bases studied in the solid state at room temperature was evidenced. The results confirmed the interrelation of the two hydrogen bonds in double Schiff base derivatives of trans-1,2-diaminocyclohexane. Copyright (C) 2003 John Wiley Sons, Ltd.

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页码：135 / 138

页数：4

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