首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >Theoretical Explanation of Reaction Site Selectivity in the Addition of a Phenoxy Group to Perfluoropyridine
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Theoretical Explanation of Reaction Site Selectivity in the Addition of a Phenoxy Group to Perfluoropyridine

机译:将苯氧基对全氟化吡啶加入苯氧基的理论解释

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摘要

Pentafluoropyridine, a potentially useful precursor in organofluorine methodology, undergoes selective substitution of a fluorine with a phenoxide at the site para to the nitrogen. Subsequent aryloxide substitutions can be accomplished at the ortho-positions with aryloxide groups containing various functional groups para to the phenoxide oxygen. During this phase of the reaction, "reverse reactions" involving substitutions of the original para substituent with a free fluoride or with another aryloxide moiety are observed with a frequency that depends on the functional group para to the oxygen on the aryloxide. Herein, we provide a theoretical explanation of these observations through use of density functional theory.
机译:戊氟吡啶,有机氟化合物方法中的潜在有用的前体,经历了在位点对氮的位点上用苯氧化物的选择性取代。 随后的芳氧化物取代可以在与含有苯氧烷氧化氧的各种官能团的芳氧化芳氧化芳氧化物基团的邻位完成。 在该反应的这种阶段,用频率观察到涉及原始对帕拉取代基的原始帕拉取代基的反应“逆转反应,其频率取决于芳氧化物上的氧气对氧气的官能团。 在此,我们通过使用密度函数理论提供对这些观察的理论解释。

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