Abstract
Condensation of β-keto esters with 5-aminopyrazoles unsubstituted in position 1 gives 7-oxopyrazolo[1,5-a]pyrimidines.
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N. L. Nam. I. I. Grandberg, and V. I. Sorokin, Khim. Geterotsikl. Soedin., 1555 (2002).
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Nam, N.L., Grandberg, I.I. & Sorokin, V.I. Condensation of 5-Aminopyrazoles Unsubstituted in Position 1 with β-Keto Esters. Chemistry of Heterocyclic Compounds 39, 1210–1212 (2003). https://doi.org/10.1023/B:COHC.0000008268.94940.5c
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DOI: https://doi.org/10.1023/B:COHC.0000008268.94940.5c