Reactivity in [4+2] Cycloadditions of New 4-trifluoromethyl-1,3-oxazin-6-ones - Access To Functionalized 2-trifluoromethyl Pyridines

Evariste, F.;Janousek, Z.;Maliverney, C.;Merenyi, R.;Viehe, HG.
(1993) Journal fuer Praktische Chemie. Chemiker-Zeitung — Vol. 335, n° 1, p. 35-41 (1993)

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  • Evariste, F.
    Author
  • Janousek, Z.
    Author
  • Maliverney, C.
    Author
  • Merenyi, R.
    Author
  • Viehe, HG.
    Author
Abstract
Recently discovered 4-trifluoromethyl-1,3-oxazin-6-ones react with electron-poor dienophiles as 2-aza-1,3-dienes in Diels-Alder cycloadditions to give new 2-trifluoromethyl pyridines (3a-d, 4a-c). Regioselectivity is excellent in the case of unsymmetrical dienophiles. These new pyridines permit further useful transformations.
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Evariste, F., Janousek, Z., Maliverney, C., Merenyi, R., & Viehe, HG. (1993). Reactivity in [4+2] Cycloadditions of New 4-trifluoromethyl-1,3-oxazin-6-ones - Access To Functionalized 2-trifluoromethyl Pyridines. Journal fuer Praktische Chemie. Chemiker-Zeitung, 335(1), 35-41. https://doi.org/10.1002/prac.19933350106 (Original work published 1993)