Chemistry of Heterocyclic Compounds

, Volume 2, Issue 4, pp 426–428 | Cite as

Condensation of al-forms of sugars with pyridine salts containing an active N-methylene group

  • Yu. A. Zhdanov
  • G. V. Bogdanova
  • N. N. Artamonova


A crotonaldehyde type of condensation takes place in acetic anhydride between phenacylpyridinium iodide and al-D-glucose or al-D-galactose, to give mono-products, while al-D-mannose heptaacetate gives a di-product. If the heating time is increased, al-D-galactose is also found to give a di-product. Condensation of al-D-glucose with p-nitrolylpyridinium iodide in ethanol in the presence of pyridine gives a mono-product. In ethanol, the iodides obtained react with Ba (ClO4)2 to give perchlorates, deacetylated by perchloric acid in methanol.


Acetic Methanol Sugar Organic Chemistry Pyridine 
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Copyright information

© The Faraday Press, Inc. 1967

Authors and Affiliations

  • Yu. A. Zhdanov
    • 1
  • G. V. Bogdanova
    • 1
  • N. N. Artamonova
    • 1
  1. 1.Rostov-on-Don State UniversityUSSR

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