Synthesis of pyrazolo[1,5-a] pyrimidines in the reaction of 5-amino-3-arylpyrazoles with methoxymethylene Meldrum 's acid derivatives and thermolysis of their pyrazolylaminomethylene derivatives.
Quiroga, Jairo; Hormaza, Angelina; Insuasty, Braulio; Saitz, Claudio; Jullian, Carolina; Canete, Alvaro. Dep. of Chemistry, Universidad del Valle, Cali, Colombia. Journal of Heterocyclic Chemistry (1998), 35(1), 61-64.
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