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Research on pyranes, their analogs, and related compounds

XXII. 2-Acylaminochromones

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Chemistry of Heterocyclic Compounds Aims and scope

Abstract

Reaction of sodium azide with chromone-2-carbonyl chloride or the action of nitrous acid on the hydrazide of chromone-2-carboxylic acid, existing in the cyclic form 3′-oxopyrazolidino[4′,5′∶2, 3]-chroman-4-one, gives the azide of chromone-2-carboxylic acid, the Curtius rearrangement of which is used to synthesize a number of 2-acylaminochromones.

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References

  1. V. A. Zagorevskii, Sh. M. Glozman, and S. M. Klyuev, KhGS [Chemistry of Heterocyclic Compounds], 592, 1967.

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Authors and Affiliations

  1. Institute of Pharmacology and Chemotherapy, Academy of Medical Sciences USSR, Moscow

    V. A. Zagorevskii, Sh. M. Glozman, V. G. Vinokurov & V. S. Troitskaya

Authors
  1. V. A. Zagorevskii
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  2. Sh. M. Glozman
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  3. V. G. Vinokurov
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  4. V. S. Troitskaya
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Additional information

For Part XXI see [1].

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Zagorevskii, V.A., Glozman, S.M., Vinokurov, V.G. et al. Research on pyranes, their analogs, and related compounds. Chem Heterocycl Compd 3, 621–623 (1967). https://doi.org/10.1007/BF00468327

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  • DOI: https://doi.org/10.1007/BF00468327

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