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Regiospecific Synthesis of Disubstituted Pyridin‐2‐ones and Trisubstituted Phenols with Vinamidinium Salts

✍ Scribed by Jameleddine, Khiari; Thouraya, Gmiza; Adnen, Hadj Ayed Med; Hassine Béchir, Ben

Book ID
120606064
Publisher
Taylor and Francis Group
Year
2007
Tongue
English
Weight
97 KB
Volume
37
Category
Article
ISSN
0039-7911

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Convenient synthesis of pyrazolo[3,4-b]p
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An expedient method for the synthesis of 2-phenyl-5-aryl-2,3-dihydropyrazolo [3,4-b]pyridin-3-ones and 2-phenyl-3-oxo-2,3-dihydropyrazolo[3,4-b]pyridine-5-carbaldehyde in a single-step via condensation of vinamidinium salts with 3-amino-1-phenyl-2-pyrazolin-5-one is described.