Journal of Molecular Structure p. 107 - 121 (1997)
Update date:2022-08-16
Topics:
Dega-Szafran, Zofia
Przybylak, Robert
Six ω-(1-pyrrolidine)alkanocarboxylic acid hydrohalides [C4H8N+H(CH2)(n)COOH · X-] and 1-(ω-carboxyalkyl)-1-methyl-pyrrolidinium hydrohalides [C4H8N+CH3(CH2)(n)COOH · X- (n = 1,2,3,4,5,10)] and their sodium and inner salts were synthesized, respectively. IR, 1H and 13C 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.
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