Synthetic experiments in the benzopyrone series

Part XXVII. A note on the synthesis of santal
  • N. Narasimhachari
  • T. R. Seshadri


The partial demethylation of 5∶7∶3′∶4′-tetramethoxy isoflavone has now been effected under improved conditions and an almost quantitative yield of santal obtained. Partial methylation of nor-santal has been repeated using larger quantities and santal and its acetate prepared and studied.


Genistein Isoflavone Daidzein Methylenedioxy Dimethyl Sulphate 
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  1. 1.
    Narasimhachari and SeshadriProc. Ind. Acad. Sci., 1950,32A, 342.Google Scholar
  2. 1a.
    Ibid.,, 1950,32A, 256.Google Scholar
  3. 2.
    Iyeret al. Ibid.,, 1951,33A, 228.Google Scholar
  4. 3.
    Aghoramurtyet al. Ibid.,, 1951,33A, 251.Google Scholar
  5. 4.
    Narasimhachariet al. Ibid.,, 1952,36A, 194.Google Scholar
  6. 5.
    Robertsonet al. J.C.S., 1949, 1571.Google Scholar

Copyright information

© Indian Academy of Sciences 1953

Authors and Affiliations

  • N. Narasimhachari
    • 1
  • T. R. Seshadri
    • 1
  1. 1.Department of ChemistryUniversity of DelhiIndia

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