A FOUR-COMPONENT BIGINELLI REACTION: NEW OPPORTUNITIES FOR THE SYNTHESIS OF FUNCTIONALIZED PYRIMIDINES
DOI:
https://doi.org/10.1007/5321Keywords:
aromatic aldehyde, hexahydropyrimidine, methyl aroylpyruvate, thiourea, urea, Biginelli reaction, X-ray structural analysisAbstract
Methyl 5-aroyl-6-aryl-4-methoxy-2-oxo(thioxo)hexahydropyrimidine-4-carboxylates were synthesized by four-component Biginelli reaction of methyl aroylpyruvate, aromatic aldehyde, urea (thiourea), and MeOH in the presence of NaHSO4. The products were obtained in moderate to high yields.
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Published
2020-04-01
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Original Papers