1,3-Dipolar character of six-membered aromatic rings. Part 43. Cycloadditions leading to tricyclic adducts

Authors:
  • AKAlan R. Katritzky
    Alan R. Katritzky
  • NDNicholas Dennis
    Nicholas Dennis
  • GSGebran J. Sabongi
    Gebran J. Sabongi
  • LTLemi Turker
    Lemi Turker
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Abstract
Allyl alcohol reacts with 1-heteroaryl-3-oxidopyridiniums to give a tricyclic product (10) in which the OH group has added to the αβ-unsaturated ketone. Analogous products are obtained from N-allylbenzenesulphonamide, acrylic acid, and 2-vinylpyridine. Further transformations of the primary adducts are described.