Valence photoisomerization of 2H-pyrans

  • A. S. Dvornikov
  • Zh. A. Krasnaya
  • Ya. N. Malkin
Organic Chemistry
Received:
  • 23 Downloads

Conclusions

2H-Pyrans under the influence of UV light undergo reversible cleavage of the C-O bond and are isomerized to the corresponding dienones, for which reversible photochemical cis-trans isomerization around the Cα=Cβ bond is characteristic, and not photochemical cyclization to 2H-pyrans.

Keywords

Reversible Cleavage Photochemical Cyclization 
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Literature cited

  1. 1.
    Zh. A. Krasnaya, E. P, Prokof'ev, and V. F. Kucherov, Izv. Akad. Nauk SSSR, Ser. Khim.,1978, 123.Google Scholar
  2. 2.
    Zh. A. Krasnaya, E. P. Prokof'ev, I. P. Yakovlev, and E. D. Lubuzh, Izv. Akad. Nauk SSSR, Ser. Khim.,1980, 2325.Google Scholar
  3. 3.
    E. P. Prokof'ev, Zh. A. Krasnaya, and V. F. Kucherov, Izv. Akad. Nauk SSSR, Ser. Khim.,1972, 2218.Google Scholar
  4. 4.
    E. P. Prokof'ev, Zh. A. Krasnaya, and V. F. Kucherov, Org. Magn. Reson.,6, 240 (1974).Google Scholar
  5. 5.
    Ya. N. Malkin, V. A. Kuz'min, V. P. Martynova, É. R. Zakhs, and L. S. Éfros, Izv. Akad. Nauk SSSR, Ser. Khim.,1975, 2189.Google Scholar
  6. 6.
    Yu. E. Borisevich, A. S. Tatikolov, and V. A. Kuz'min, Khim. Vys. Energ.,12, 474 (1978).Google Scholar

Copyright information

© Plenum Publishing Corporation 1981

Authors and Affiliations

  • A. S. Dvornikov
    • 1
    • 2
  • Zh. A. Krasnaya
    • 1
    • 2
  • Ya. N. Malkin
    • 1
    • 2
  1. 1.Institute of Chemical PhysicsAcademy of Sciences of the USSRMoscow
  2. 2.N. D. Zelinskii Institute of Organic ChemistryAcademy of Sciences of the USSRMoscow

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