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胺类化合物与4,4′-二氟苯偶酰的亲核取代反应研究 被引量:1

Study on the Nucleophilic Substitutions of 4,4′-Difluorobenzil with Amines
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摘要 应用胺类化合物与 4,4′ 二氟苯偶酰的亲核取代反应合成了多种对称或不对称的 4,4′ 双 (二烷氨基 )苯偶酰 .结构经元素分析 ,IR ,1HNMR和MS确定 .其中伯胺与 4,4′ 二氟苯偶酰的反应得到了一边取代、另外一边形成亚胺结构的产物 ,并对此反应机理进行了探讨 . Some symmetric and asymmetric 4,4'-bis(dialkylamino)benzils have been synthesized through the nucleophilic substitutions Of 4,4'-difluorobenzil with amines. Their structures have been characterized by EA, IR, H-1 NMR and MS spectra. When primary amines were employed for the reaction, both the substitution and condensation occured in the substrate molecule. The mechanism of this reaction was discussed as well.
出处 《有机化学》 SCIE CAS CSCD 北大核心 2003年第8期861-864,共4页 Chinese Journal of Organic Chemistry
基金 广东省自然科学基金 (No.0 2 1 81 3) 教育部博士点基金 (No.2 0 0 1 0 5580 0 5)资助项目
关键词 胺类化合物 4 4′-二氟苯偶酰 亲核取代反应 合成 反应机理 伯胺 仲胺 4 4′-双(二烷氨基)苯偶酰 amine 4,4 '-difluorobenzil nucleophilic substitution synthesis mechanism
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  • 1Milam O, Josef S, Karel P. Kinetic study of 2-nitro hydrazobenzene cyclization[J]. React Kinet Catal Lett, 1995, 55(2) :330-340.
  • 2Inma H, Iluminada G, Jordi M. Direct formation of aromatic C-N bonds. Regioselective amination of m-dinitrobenzene via fluoride promoted nucleophilic aromatic substitution for hydrogen[J]. Tetrahedron Letters, 2000,41(2):279-280.
  • 3Inma H, Iluminada G, Jordi M. Direct coupling of nucleophiles with nitroaromatic compounds via fluoride-promoted oxidative nucleophilic aromatic substituted for hydrogen[J]. Tetrahedron Letters,2001,42 (20): 3 439-3 441.
  • 4Bader H, Hansen A R, McCarty F J. Nucleophilic displacements of activated fluorine in aromatic compounds[J]. J Org Chem. 1966,31(7) :2 319-2 321.

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