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首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >A Laser Flash Photolysis Study of Azo-Compound Formation from Aryl Nitrenes at Room Temperature
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A Laser Flash Photolysis Study of Azo-Compound Formation from Aryl Nitrenes at Room Temperature

机译：室温下芳基硝基化合物形成偶氮化合物的激光闪光光解研究

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摘要

The species 4-nitrenopyridine 1-oxide is known to exhibit triplet nitrene dominated chemistry to yield azodimer products exclusively, even at room temperature. As such, this species, and its analogue 4-nitrenoquinoline 1-oxide, are useful models to probe the mechanism of formation of azodimers, which is postulated to proceed by self-reaction of the nitrene or reaction of nitrene with the parent azide. A laser flash photolysis study is described where the kinetics of formation of azo-dimer were found to be most adequately modeled by competition between both mechanisms, and rate coefficients for the competing reactions were determined.
机译：已知4-氮杂吡啶1-氧化物物种即使在室温下也显示出三重态以氮为主导的化学性质，仅产生偶氮二聚体产物。因此，该物种及其类似物4-nitrenoquinoline 1-oxide是探测偶氮二聚体形成机理的有用模型，据推测该偶氮二聚体是通过腈的自反应或腈与母体叠氮化物的反应进行的。描述了激光闪光光解研究，其中通过两种机制之间的竞争最充分地模拟了偶氮二聚体形成的动力学，并确定了竞争反应的速率系数。

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