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Reaction of 2-aminobenzoxazoles with compounds with activated multiple bonds

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Chemistry of Heterocyclic Compounds Aims and scope

Abstract

The reaction of 2-aminobenzoxazoles with activated alkenes of the acrylic acid type and its derivatives and methyl vinyl ketone proceeds in the presence of basic catalysts to give products of mono- and diaddition at the exocyclic nitrogen atom. The reaction of 5(6)-substituted 2-aminobenzoxazoles with esters of propyl and acetylenedicarboxylic acids in the absence of catalysts leads to the production of condensed 2-oxopyrimidines. The effect of substituents and the reaction conditions on the course of the process was investigated.

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Authors and Affiliations

  1. K. Okhridsky Sofia University, 1126, Sofia, Bulgaria

    V. B. Kalcheva, L. S. Peshakova & D. A. Simov

Authors
  1. V. B. Kalcheva
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  2. L. S. Peshakova
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  3. D. A. Simov
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Additional information

Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 11, pp. 1467–1471, November, 1984.

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Kalcheva, V.B., Peshakova, L.S. & Simov, D.A. Reaction of 2-aminobenzoxazoles with compounds with activated multiple bonds. Chem Heterocycl Compd 20, 1210–1213 (1984). https://doi.org/10.1007/BF00505708

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  • DOI: https://doi.org/10.1007/BF00505708

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