Abstract
Reactions of 5-amino-3-(2-pyrrolyl)pyrazoles with β-dicarbonyl compounds (acetylacetone and ethyl acetoacetate) lead to formation of up to 90% of polysubstituted pyrazolo[1,5-a]pyrimidines.
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Petrova, O.V., Sobenina, L.N., Demenev, A.P. et al. Synthesis of Functionalized 2-(2-Pyrrolyl)pyrazolo[1,5-a]pyrimidines. Russian Journal of Organic Chemistry 39, 1471–1476 (2003). https://doi.org/10.1023/B:RUJO.0000010564.39518.5e
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DOI: https://doi.org/10.1023/B:RUJO.0000010564.39518.5e