Chemistry of Heterocyclic Compounds p. 1212 - 1213 (1982)
Update date:2022-08-28
Topics:
Vartanyan, R. S.
Kazaryan, Zh. V.
Vartanyan, S. A.
Conditions for the selective preparation of 5-carbethoxy-4-methyl-2-substituted pyrimidines or 5-acetyl-4-hydroxy-2-substituted pyrimidines by condensation of ethoxymethyleneacetoacetic ester with 1,3-binucleophiles are proposed.It is shown that under the influence of sodium ethoxide 5-carbethoxy-4-methyl-2-substituted pyrimidines undergo rearrangement to 5-acetyl-4-hydroxy-2-substituted pyrimidines.
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