ELECTRON-TRANSFER AND ION-PAIRING .20. 2-STEP REDUCTION OF TETRA(2'-PYRIDYL)PYRAZINE UNDER APROTIC CONDITIONS AS WELL AS IN SOLUTIONS CONTAINING LI+ AND NA+ CONDUCTING SALT CATIONS

被引:17
作者
BOCK, H
JACULI, D
机构
来源
ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES | 1991年 / 46卷 / 08期
关键词
CYCLIC VOLTAMMETRY; APROTIC CONDITIONS; TETRA(2'-PYRIDYL)PYRAZINE; ION PAIR FORMATION;
D O I
10.1515/znb-1991-0819
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Cyclovoltammetric measurements of solutions containing the rather basic tetra-(2'pyridyl)pyrazine allow to detect even traces of water and thus can be used as a touchstone for aprotic (C(H)+ < 1 ppm) conditions. On exchange of the ''innocent'' tetrabutylammonium R4N+ as supporting electrolyte cation by ''interactive'' ones such as Li+ or Na+, considerable changes in the reduction potentials are observed due to ion pair formation.
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页码:1091 / 1097
页数:7
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