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7-hydroxychromone-8-aldehydes and their conversion into chromono-7: 8-α-pyrones

  • S. Rangaswami
  • T. R. Seshadri
Article
  • 17 Downloads

Summary

Starting from 3-methoxy-7-hydroxyflavone, 2-methyl-3-methoxy-7-hydroxychromone and 7-hydroxyflavone aldehydes have been prepared. In these compounds the aldehyde groups occupy the eighth positions. By the action of sodium acetate and acetic anhyrdide the corresponding chromono-and flavono-α-pyrones have been synthesised.

Keywords

Acetic Anhydride Hexamethylenetetramine Anhydrous Sodium Acetate Alcoholic Ferric Chloride Eighth Position 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

  1. 1.
    Rangaswami, S., and Seshadri, T. R.Proc. Ind., Acad. Sci., (A), 1937,6, 112.Google Scholar
  2. 2.
    Ibid.,, 1938,8, 214.Google Scholar
  3. 3.
    Allan, J., and Robinson, R.J.C.S., 1924, 2192.Google Scholar
  4. 4.
    Robinson, R., and Venkataraman, K.Ibid., J.C.S., 1926, 2344.Google Scholar

Copyright information

© Indian Academy of Sciences 1939

Authors and Affiliations

  • S. Rangaswami
    • 1
  • T. R. Seshadri
    • 1
  1. 1.Department of ChemistryAndhra UniversityWaltair

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