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Effective, transition metal free and selective C-F activation under mild conditions

机译:在温和条件下有效,无过渡金属和选择性C-F活化

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摘要

A simple and effective aromatic nucleophilic monosubstitution reaction for the synthesis of aromatic amines via selective C-F bond cleavage of various fluoroarenes (mono-, di-, tri-, tetra-, penta- and perfluorobenzene) with primary and secondary aromatic amines under transition metal free conditions is demonstrated. The reaction conditions were investigated thoroughly for a wide range of fluoroarene substrates bearing different numbers of fluorine atoms, and the results showed that the solvent and reaction temperature are very crucial for the successful substitution reactions. The established methods enabled the formation of nonfluorinated and partially fluorinated aromatic amines in good to excellent yields. Several functional groups were tolerated under the optimized conditions.
机译:一种简单有效的芳族亲核单取代反应,可在不含过渡金属的条件下,通过伯和仲芳族胺选择性地将各种氟代芳烃(单,二,三,四,五和全氟苯)进行CF键裂解,从而合成芳族胺条件被证明。对含不同数量氟原子的多种氟芳烃底物的反应条件进行了深入研究,结果表明溶剂和反应温度对于成功进行取代反应至关重要。既定的方法能够以优异的产率形成非氟化和部分氟化的芳族胺。在优化的条件下可以耐受几个官能团。

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