INVESTIGATION OF REACTIONS OF PYRIDINE N-OXIDE CATION RADICALS WITH HYDROCARBONS, BY MEANS OF FLASH-PHOTOLYSIS

被引：0
|
作者：
GELETII, YV
ZUBAREV, VE
LEVIN, PP
LYUBIMOVA, GV
SHAFIROVICH, VY
机构：
来源：
KINETICS AND CATALYSIS | 1990年 / 31卷 / 04期
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中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A method has been developed for generating cation radicals of pyridine N-oxide (PyO+) by one-electron oxidation of pyridine N-oxide by photoexcited chloranil in the triplet state. It has been established that the absorption spectrum of PyO+ in the visible region has a broad maximum at 430-460 nm. The kinetics of reactions of PyO+ with cyclohexane, toluene, and methanol have been investigated. It has been shown that these reactions proceed through the formation of an intermediate complex that reacts rapidly with oxygen; under photolytic conditions, the N-oxide is reduced to pyridine.
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页码：701 / 706
页数：6
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