CYCLIC MESO-IONIC COMPOUNDS .7. ELECTRIC DIPOLE MOMENTS OF SOME MESO-IONIC 1,3,4-THIADIAZOLES

被引:6
作者
ATKIN, CW
BARNES, ANM
EDGERLEY, PG
SUTTON, LE
机构
[1] Physical Chemistry Laboratory, Oxford OX1 3QZ, South Parks Road
来源
JOURNAL OF THE CHEMICAL SOCIETY B-PHYSICAL ORGANIC | 1969年 / 09期
关键词
D O I
10.1039/j29690001194
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The electric dipole moments of some meso-ionic 1,3,4-thiadiazoles and three similar compounds, with either endo- or exo-sulphur replaced by oxygen, have been measured and analysed to give the magnitude and direction of the thiadiazole ring system moment. The results support the formulation of these compounds as meso-ionic and show that exocyclic sulphur carries a larger negative charge than does exocyclic oxygen.
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页码:1194 / &
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