Chemistry of Heterocyclic Compounds p. 1210 - 1213 (1984)
Update date:2022-08-04
Topics:
Kalcheva, V. B.
Peshakova, L. S.
Simov, D. A.
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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