Photochemical formation and reactions of furans

  • Alexander Schönberg


According to Schulte-Frohlinde [1] 1,1′,4,4′-tetrahydro-(2,2′-bi-naphthalene)-1,1′,4,4′-tetrone (1) rearranges to 5-hydroxydinaphtho[1,2-b: 2′,3′-d]furan-7,12-dione (2) on irradiation with light of wavelength 365 mμ. The rearrangement only takes place in hydroxylic solvents, e.g. methanol, ethanol, aqueous tetrahydrofuran, and acetic acid. In benzene, toluene, tetralin, carbon tetrachloride, and anhydrous tetrahydrofuran no photo-reaction could be observed. The transformation 1→2 can also be effected thermally.


Methylene Blue Furan Derivative Photosensitize Oxidation Ethyl Acetate Solution Anhydrous Tetrahydrofuran 
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Copyright information

© Springer-Verlag Berlin · Heidelberg 1968

Authors and Affiliations

  • Alexander Schönberg
    • 1
  1. 1.Technische Universität BerlinGermany

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