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Aluminium chloride, a new reagent for the condensation of β-ketonic esters with phenols

Part VI. The condensation of resacetophenone with ethyl α-alkyl-acetoacetates

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Summary

The condensation of resacetophenone with several α-substituted acetoacetates with anhydrous aluminium chloride as condensing agent has been investigated. Ethyl α-methyl-, α-ethyl-, α-benzyl-acetoacetates undergo the condensation with the formation of 5-hydroxy-6-acetyl-3-alkyl-coumarin derivatives. Negative results were obtained with ethyl α-prophyl-, α-allyl, α-chloro-acetoacetates, the original ketone being recovered. The results obtained have been discussed.

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References

  1. Sethana, Shah and ShahJ., 1938, 228.

  2. Shah and ShahIbid., J., 1938, 1424.

  3. Deliwala and ShahIbid. J., 1939, 1250.

  4. —Proc. Ind. Acad. Sci., 1941,13 A, 352.

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  5. Collie and ChrystallJ., 1907,91, 1804.Ibid., J., 1907,91, 1804.

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  6. Desai and HamidProc. Ind. Acad. Sci., 1938,8,A, 567.

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  7. Sethna and ShahJ. Indian C. S., 1938,15, 383.

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Authors and Affiliations

  1. Department of Chemistry, M. R. Science Institute, Gujarat College, Ahmedabad

    C. V. Deliwala & N. M. Shah

Authors
  1. C. V. Deliwala
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  2. N. M. Shah
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Additional information

(Communicated by Prof. R.C. Shah, M.SC., Ph.D., F.N.I., F.A.SC.)

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Deliwala, C.V., Shah, N.M. Aluminium chloride, a new reagent for the condensation of β-ketonic esters with phenols. Proc. Indian Acad. Sci. (Math. Sci.) 17, 7–10 (1943). https://doi.org/10.1007/BF03048844

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  • DOI: https://doi.org/10.1007/BF03048844

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