Abstract
Cyclocondesation of 3-aryl(heteryl)pyrazole-4-carbaldehydes with ethyl acetoacetate and urea (thiourea) in the presence of FeCl3 · 6H2O afforded 3-aryl(heteryl)-4-(4-pyrazolyl)-1,2,3,4-tetrahydropyrimidin-2-ones(thiones).
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Translated from Zhurnal Organicheskoi Khimii, Vol. 41, No. 1, 2005, pp. 97–98.
Original Russian Text Copyright © 2005 by Bratenko, Chornous, Vovk.
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Bratenko, M.K., Chornous, V.A. & Vovk, M.V. 4-Functionally Substituted 3-Heterylpyrazoles: XIII. 3-Aryl(heteryl)-4-(4-pyrazolyl)-1,2,3,4-tetrahydropyrimidin-2-ones(thiones). Russ J Org Chem 41, 95–97 (2005). https://doi.org/10.1007/s11178-005-0127-9
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DOI: https://doi.org/10.1007/s11178-005-0127-9