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Synthetic experiments in the benzopyrone series

Part LXVII. Synthesis of α-methyl dihydrofurano-chromeno-chromone

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Summary

Starting from 7-hydroxy chromeno-chromone, the 8-allyl derivative has been prepared as intermediate and the α-methyl furan ring closed by means of hydrogen bromide and pyridine, yielding the five-ring structure of α-methyl dihydro-furano-chromeno-chromone.

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References

  1. Row and SeshadriProc. Ind. Acad. Sci., 1951,34 A, 187.

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  2. Sarin, Sehgal and SeshadriJ.S.I.R., 1957,16 B, 61–64.

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  3. Seshadri and VaradarajanProc. Ind. Acad. Sci., 1953,37 A, 784.

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  4. Mehta and SeshadriIbid. 1955,42 A, 192.

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  5. Sehgal and SeshadriIbid., 1955,42 A, 36.

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Authors and Affiliations

  1. Department of Chemistry, University of Delhi, Delhi

    P. S. Sarin, J. M. Sehgal & T. R. Seshadri F.A.Sc.

Authors
  1. P. S. Sarin
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  2. J. M. Sehgal
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  3. T. R. Seshadri F.A.Sc.
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Sarin, P.S., Sehgal, J.M. & Seshadri, T.R. Synthetic experiments in the benzopyrone series. Proc. Indian Acad. Sci. 47, 292–294 (1958). https://doi.org/10.1007/BF03052812

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  • DOI: https://doi.org/10.1007/BF03052812

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