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Reaction of 4-Hydroxy-6-Methyl-3-β-arylpropionyl-2-Pyrones with Phenylhydrazine-Synthesis of a New Pyrazole Series

✍ Scribed by Rachedi, Y.; Hamdi, M.; Sakellariou, R.; Spéziale, V.


Book ID
118020879
Publisher
Taylor and Francis Group
Year
1991
Tongue
English
Weight
349 KB
Volume
21
Category
Article
ISSN
0039-7911

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## Abstract 3‐(Bromoacetyl)‐4‐hydroxy‐6‐methyl‐2__H__‐pyran‐2‐one was synthesized by the reaction of dehydroacetic acid (DHAA) with bromine in glacial acetic acid. Novel heterocyclic products were synthesized from the reaction of bromo‐DHAA with alkanediamines, phenylhydrazines, __ortho__‐phenylene