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Regio- and stereoselective reaction of 3-fluoropyridine, electron-deficient alkynes and bis(fluoroalkyl) phosphites: Catalyst- and solvent-free synthesis of polyfluoroalkylphosphonylated 3-fluoro-1,2-dihydropyridines
Journal of Fluorine Chemistry ( IF 1.7 ) Pub Date : 2018-03-29 , DOI: 10.1016/j.jfluchem.2018.03.013
Svetlana N. Arbuzova , Nina K. Gusarova , Tatyana I. Kazantseva , Svetlana I. Verkhoturova , Alexander I. Albanov , Boris A. Trofimov

The catalyst- and solvent-free reaction between 3-fluoropyridine, electron-deficient alkynes and bis(fluoroalkyl) phosphites occurs under mild conditions (20–22 °C, 1–8.5 h) to stereo- and regioselectively afford 2-bis(polyfluoroalkoxy)phosphoryl- (E)-N-ethenyl-3-fluoro-1,2-dihydropyridines in 53–69% yield.



中文翻译:

3-氟吡啶,缺电子的炔烃和亚磷酸双(氟烷基)酯的区域和立体选择性反应:无催化剂和无溶剂合成多氟烷基膦酰基化的3-氟-1,2-二氢吡啶

3-氟吡啶,缺电子的炔烃和亚磷酸双(氟代烷基)之间的无催化剂和无溶剂反应在温和的条件下(20–22°C,1–8.5 h)发生,以立体和区域选择性提供2-双(聚氟代烷氧基) )磷酰基-(E-N-乙烯基-3-氟-1,2-二氢吡啶,收率53-69%。

更新日期:2018-03-29
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