Synthesis, IR and NMR studies of zwitterionic ω-(1-pyrrolidine)alkanocarboxylic acids and their N-methyl derivatives

被引：18

作者：

Dega-Szafran, Z ^{[1
]}

Przybylak, R ^{[1
]}

机构：

[1] Adam Mickiewicz Univ, Fac Chem, PL-60780 Poznan, Poland

来源：

JOURNAL OF MOLECULAR STRUCTURE | 1997年 / 437卷

关键词：

infrared spectroscopy; NMR spectroscopy; omega-(1-pyrrolidine)alkanocarboxylic acid salts; Zwitterionic compounds;

D O I：

10.1016/S0022-2860(97)00119-1

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：

Six omega-(1-pyrrolidine)alkanocarboxylic acid hydrohalides [C4H8N+H(CH2)(n)COOH . X-] and 1-(omega-carboxyalkyl)-1-methylpyrrolidinium hydrohalides [C4H8N+CH3(CH2)(n)COOH . X- (n = 1,2,3,4,5,10)] and their sodium and inner salts were synthesized, respectively. IR, H-1 and C-13 NMR spectra were analyzed with regard to the increasing distance effect on the interaction between the positive nitrogen atom with the negative carboxylic group. The configuration of the pyrrolidine ring was also discussed. (C) 1997 Elsevier Science B.V.

引用

收藏

页码：107 / 121

页数：15

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