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Condensation of 5-amino-4-arylpyrazoles with itaconic acid and maleic anhydride

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Chemistry of Heterocyclic Compounds Aims and scope

Substituted 5-amino-4-arylpyrazoles on condensation with itaconic acid form substituted tetrahydropyrazolo[1,5-a]pyrimidines, and on condensation with maleic anhydride form 2,3-dihydro-1H-imidazolo[1,2-b]pyrazoles, which on more extended heating rearrange into tetrahydro-pyrazolo[1,5-a]pyrimidines.

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Correspondence to S. I. Filimonov.

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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 7, pp. 1065-1072, July, 2013.

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Filimonov, S.I., Korsakov, M.K., Chirkova, Z.V. et al. Condensation of 5-amino-4-arylpyrazoles with itaconic acid and maleic anhydride. Chem Heterocycl Comp 49, 993–999 (2013). https://doi.org/10.1007/s10593-013-1337-7

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  • DOI: https://doi.org/10.1007/s10593-013-1337-7

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