Eur. J. Chem. volume 2, issue 3, P300-307 2011 DOI: 10.5155/eurjchem.2.3.300-307.358
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Parikibanda Venkata Ramana, Annadi Ram Reddy
Abstract:

KEYWORDSThe synthesis of series of 3-aryl-4-dihydrooxazolyl-5-methyl trisubstituted isoxazoles (VI) is reported, both under thermal and microwave conditions starting from various benzaldehydes (I). Benzaldehydes undergo oximation with hydroxylamine hydrosulphate to provide oximes that upon chlorination, followed by condensation with methylacetoacetate, resulted in the formation of esters. Hydrolysis of the esters to acids followed by treatment with PCl5, resulted in the formation of acid chlorides (III) t…

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