Recyclization of condensed carbethoxypyrimidines accompanied by substitution of a carbon atom into the heterocycle
Condensation in ethanol of ethyl ethoxymethyleneacetoacetate with systems containing an amidine fragment (substituted 3-aminopyrazoles and 3-amino-1,2,4-triazole) gave 6-carbethoxy-7-methylpyrazolo[1,5-a]pyrimidines. Addition of base to solutions of the o
Danagulyan,Mkrtchyan,Panosyan
p. 485 - 491
(2007/10/03)
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