1-Methyl-2-oxopyrrolidinium perchlorate ionic liquid in synthesis of 5-ethoxycarbonyl-3,4-dihydropyrimidin-2(1 H )-ones

G. N. Badalova; V. M. Abbasov; I. A. Valiyev; L. I. Alieva; A. H. Talybov

doi:10.1134/S1070363217110354

1-Methyl-2-oxopyrrolidinium perchlorate ionic liquid in synthesis of 5-ethoxycarbonyl-3,4-dihydropyrimidin-2(1H)-ones

Authors: Badalova G.N.¹, Abbasov V.M.¹, Valiyev I.A.¹, Alieva L.I.¹, Talybov A.H.¹
Affiliations:
1. Mamedaliev Institute of Petrochemical Processes
Issue: Vol 87, No 11 (2017)
Pages: 2739-2743
Section: Letters to the Editor
URL: https://journals.rcsi.science/1070-3632/article/view/221656
DOI: https://doi.org/10.1134/S1070363217110354
ID: 221656

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Abstract

A multicomponent Biginelli reaction in a solvent-free conditions catalyzed by 1-methyl-2-oxopyrrolidinium perchlorate ionic liquid was studied. The сondensation of aromatic aldehydes, urea (thiourea), and acetoacetic ester yielded substituted 5-ethoxycarbonyl-3,4-dihydropyrimidin-2(1H)-ones(thiones) in 75–97% yield.