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


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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.

About the authors

G. N. Badalova

Mamedaliev Institute of Petrochemical Processes

Author for correspondence.
Email: gunel4ik@mail.ru
Azerbaijan, ave. Khodzhaly 30, Baku, AZ 1025

V. M. Abbasov

Mamedaliev Institute of Petrochemical Processes

Email: gunel4ik@mail.ru
Azerbaijan, ave. Khodzhaly 30, Baku, AZ 1025

I. A. Valiyev

Mamedaliev Institute of Petrochemical Processes

Email: gunel4ik@mail.ru
Azerbaijan, ave. Khodzhaly 30, Baku, AZ 1025

L. I. Alieva

Mamedaliev Institute of Petrochemical Processes

Email: gunel4ik@mail.ru
Azerbaijan, ave. Khodzhaly 30, Baku, AZ 1025

A. H. Talybov

Mamedaliev Institute of Petrochemical Processes

Email: gunel4ik@mail.ru
Azerbaijan, ave. Khodzhaly 30, Baku, AZ 1025

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