DIPOLE-MOMENTS OF SOME BETA-DIKETONES AND MONOTHIO-BETA-DIKETONES

被引：1

作者：

DAS, M ^{[1
]}

HAWORTH, DT ^{[1
]}

机构：

[1] MARQUETTE UNIV,DEPT CHEM,MILWAUKEE,WI 53233

来源：

SYNTHESIS AND REACTIVITY IN INORGANIC AND METAL-ORGANIC CHEMISTRY | 1995年 / 25卷 / 06期

关键词：

D O I：

10.1080/15533179508218272

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Dipole moments have been determined by static polarization measurements for fiftyfive substituted beta-diketones and twelve aryl monothio-beta-diketones having a fluoroalkyl, phenyl or aryl substituent. The variations of the dipole moments with R on RCOCH(2)COR' and RCSCH(2)COR' is considered to be dependent on (a) the phenyl-X bond moment (b) the inductive effect of 4- and 3- substituents X on the phenyl group and (c) the mesomeric effect of the substituent X. The R' groups are phenyl and the fluoroalkyls; CHF2,CF3,C2F5,C3F7, and the X-groups of phenyl are methoxy, ethoxy, methyl, ethyl, n-propyl, nitro, chloro, and fluoro.

引用

页码：941 / 953

页数：13

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