The 15N and 13C NMR study of Schiff bases of amino acids and their lithium salts in solid state and DMSO solution

被引：32
|
作者：
Rozwadowski, Z
Ambroziak, K
Szypa, M
Jagodzinska, E
Spychaj, S
Schilf, W
Kamienski, B
机构：
[1] Tech Univ Szczecin, Inst Chem & Environm Protect, PL-70065 Szczecin, Poland
[2] Tech Univ Szczecin, Inst Polymer, PL-70322 Szczecin, Poland
[3] Polish Acad Sci, Inst Organ Chem, PL-01224 Warsaw, Poland
来源：
JOURNAL OF MOLECULAR STRUCTURE | 2005年 / 734卷 / 1-3期
关键词：
Schiff bases; amino acids; lithium salts; C-13; N-15 CP MAS NMR; intramolecular hydrogen bond;
D O I：
10.1016/j.molstruc.2004.09.010
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The C-13, N-15 NMR of Schiff bases and their lithium salts, derivatives of amino acids (glycine, alanine, phenylalanine, valine and leucine) and 2-hydroxynaphthylaldehyde in solid state and in DMSO have been measured. The results have shown that the Schiff bases and their lithium salts exist mainly as the proton transferred NH form in solid state and DMSO. The nitrogen atom is protonated by hydrogen originating from the phenolic group. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：137 / 142
页数：6
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