POTENTIOMETRIC INVESTIGATIONS OF INTRAMOLECULAR 9-MEMBERED AND 10-MEMBERED RING HYDROGEN-BONDS OBSERVED IN SCHIFF-BASES

被引：3

作者：

GUNDUZ, T ^{[1
]}

GUNDUZ, N ^{[1
]}

KILIC, E ^{[1
]}

ATAKOL, O ^{[1
]}

KOSEOGLU, F ^{[1
]}

机构：

[1] UNIV GAZI,FAC GAZI EDUC,DEPT SCI,ANKARA,TURKEY

来源：

ANALYTICA CHIMICA ACTA | 1991年 / 249卷 / 02期

关键词：

POTENTIOMETRY; TITRIMETRY; HYDROGEN BONDING; SCHIFF BASES;

D O I：

10.1016/S0003-2670(00)83016-0

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Schiff bases were titrated potentiometrically with perchloric acid in nitrobenzene and their half-neutralization potentials were determined. These potentials indicated that nine- or ten-membered ring intramolecular hydrogen bonds of the O-H ... O type were formed in these compounds. This observation was explained in terms of the flatness of these compounds, brought about by the resonances of the three double bonds and the lone pairs of electrons present.

引用

页码：427 / 431

页数：5

共 36 条

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