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Reactions of azlactones with amino compounds. VI. Synthesis of some p-nitrophenylhydrazides of α,β-disubstituted acrylic acids and 1-arylamino-2-aryl-4-arylidene-2-imidazoline-5-ones

K. Nálepa

Department of Analytical and Organic Chemistry, Faculty of Natural Sciences, Palacký University, 771 46 Olomouc

 

Abstract: Treatment of unsaturated azlactones with p-nitrophenylhydrazine in boiling xylene gives the corresponding  α,ß-disubstituted acrylic acid p-nitrophenylhydrazides. Boiling in acetic acid of some unsaturated azlactones with phenylhydrazine or я-nitrophenylhydrazine gave in one step N-anilino- or N-(p-nitroanilino)-2,4-disubstituted 2-imidazoline-5-ones.

Full paper in Portable Document Format: 324a565.pdf

 

Chemical Papers 32 (4) 565–570 (1978)

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