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Synthesis of novel 4-pyrazolyl-2-oxo-1,2,3,4-tetrahydropyrimidines promoted by phosphotungstic acid

✍ Scribed by Ganesabaskaran Sivaprasad; Paramasivan T. Peramal


Publisher
Journal of Heterocyclic Chemistry
Year
2005
Tongue
English
Weight
69 KB
Volume
42
Category
Article
ISSN
0022-152X

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✦ Synopsis


Abstract

Phosphotungstic acid, a keggin's type heteropoly acid catatalysed Biginelli reaction was carried out using pyrazole aldehyde, ethyl acetoacetate and urea to synthesis novel 4‐pyrazolyl ‐2‐oxo‐1,2,3,4‐tetrahydropy‐ rimidines.


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