ESR study of radicals formed by the reduction of α-diketones C(O)C(O)CF3 (R=(CF3)2CF, C6F5, (CF3)3C) with several group I–III metals

被引：0
|
作者：
E. N. Shaposhnikova
S. R. Sterlin
S. P. Solodovnikov
N. N. Bubnov
I. V. Stankevich
A. L. Chistyakov
B. L. Tumanskii
机构：
[1] Russian Academy of Sciences,A. N. Nesmeyanov Institute of Organoelement Compounds
来源：
Russian Chemical Bulletin | 1998年 / 47卷
关键词：
ESR; radical anion; reduction; α-diketone; radical pairs; fluorine;
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摘要：
The ESR spectra of radical anions formed by reduction of α-diketones RC(O)C(O)CF3 (R=(CF3)2CF, C6F5, (CF3)3C) with metals (Li, Na, K, Mg, Cd, Zn, Hg, In, and TI) in THF were studied. For R=(CF3)2CF and C6F5, the radical anions are formed ascis-isomers, whereas for R=(CF3)3C,trans-isomers are obtained. Line broadening due to solvation and desolvation of the cation is observed in the latter case. The reduction of α-diketone (CF3)2CFC(O)C(O)CF3 with Group II metals (Mg, Cd, Zn) results in the formation of radical pairs.
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页码：2160 / 2163
页数：3
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