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- W1512392571 abstract "The Biginelli reaction, which involves the one-pot acid catalyzed cyclocondensation of ethyl acetoacetate, urea, and arylaldehyde, was first discovered by Italian chemist Pietro Biginelli about 120 years ago. A large number researchers have shown persistent attention to the study of Biginelli reaction on account of its significant biological and pharmaceutical activities and diversity of structural changes of dihydropyrimidines (DHPMs) and its derivatives. Herein, the synthesis of C(5)-(p-toluoyl)-3,4-dihydropyrimidin-2(1H)-ones (or -thiones) via Biginelli reaction has been accomplished from aldehydes, p-toluoylacetone, and urea or thiourea in the presence of TsOH promoted with microwave irradiation under solvent-free condi- tions in good yields and high purity without chromatographic separation. Keywords Biginelli reaction; 3,4-dihydropyrimidin-2(1H)-ones (or -thiones); β-diketone; microwave irradittion" @default.
- W1512392571 created "2016-06-24" @default.
- W1512392571 creator A5024567112 @default.
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- W1512392571 date "2014-01-01" @default.
- W1512392571 modified "2023-10-04" @default.
- W1512392571 title "Synthesis of C(5)-(p-Toluoyl substituted)-3,4-dihydropyrimi- dinones (or -thiones) via Biginelli Reaction Promoted with Microwave Irradiation under Solvent-Free Conditions" @default.
- W1512392571 doi "https://doi.org/10.6023/cjoc201402018" @default.
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