Sodium hydrogen sulfate as a catalyst for the synthesis of N,4-diaryl-6-methyl-1-methyl(phenyl)-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carboxamides via the Biginelli reaction

Autor:	T. M. Zamaraeva, Maksim V. Dmitriev, Vladimir L. Gein
Rok vydání:	2018
Předmět:	chemistry.chemical_classification Ethanol 010405 organic chemistry Sodium Organic Chemistry Biginelli reaction chemistry.chemical_element 010402 general chemistry 01 natural sciences Aldehyde 0104 chemical sciences Catalysis chemistry.chemical_compound chemistry Hydrogen Sulfate Organic chemistry
Zdroj:	Chemistry of Heterocyclic Compounds. 54:177-182
ISSN:	1573-8353 0009-3122
DOI:	10.1007/s10593-018-2251-9
Popis:	N,4-Diaryl-6-methyl-1-methyl(phenyl)-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carboxamides were synthesized in three-component reaction of N-aryl-3-oxobutanamides, aromatic aldehyde, and N-methylthiourea (N-phenylthiourea) in ethanol in the presence of nontoxic, cheap sodium hydrogen sulfate as a catalyst. Products were obtained in moderate to high yields.
Databáze:	OpenAIRE
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