ChemInform Abstract: A Facile Ring Trans
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L. D. S. YADAV; D. R. PAL
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Article
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2010
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John Wiley and Sons
⚖ 32 KB
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A Facile Ring Transformation of 4-Oxazolone Derivatives to New Antiviral Imidazo[1,2-a]pyrimidin-7-ones. -Reaction of 2-aryliminoimidazolines (III) with oxazolones (IV) provides the corresponding Michael adducts, which undergo in situ ring transformation furnishing the new imidazopyrimidones (V) in