ESR STUDY OF SOME GROUP-IVB RADICAL ADDUCTS WITH AROMATIC KETONES

被引:17
作者
ALBERTI, A [1 ]
HUDSON, A [1 ]
机构
[1] UNIV SUSSEX,SCH MOLEC SCI,BRIGHTON BN1 9QJ,E SUSSEX,ENGLAND
关键词
D O I
10.1016/S0022-328X(00)86707-8
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Hyperfine coupling constants are reported for the paramagnetic adducts of silyl, germyl and stannyl radicals with five aromatic ketones. The spin distribution in these systems is compared with the H atom adducts and analogous hydrocarbon radicals. The large 117Sn and 119Sn satellite splittings observed in the stannyl adducts indicate that these radicals exist in a conformation with the O Sn bond orthogonal to the π-system. The ESR spectrum of the previously unknown anthronyl radical has been recorded and analysed. © 1979.
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页码:219 / 225
页数:7
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