Convenient synthesis of pyrazolo[3,4-b]pyridin-3-ones and pyrazolo[3,4-b]pyridine-5-carbaldehyde using vinamidinium salts |
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| Authors: | Chtiba SamarJemmezi Fayçel Khiari Jameleddine |
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| Institution: | Laboratoire de Chimie Organique et Analytique, Institut Supérieur de l’Education et de la, Formation Continue, Bardo, Tunisia |
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| Abstract: | An expedient method for the synthesis of 2-phenyl-5-aryl-2,3-dihydropyrazolo3,4-b]pyridin-3-ones and 2-phenyl-3-oxo-2,3-dihydropyrazolo3,4-b]pyridine-5-carbaldehyde in a single-step via condensation of vinamidinium salts with 3-amino-1-phenyl-2-pyrazolin-5-one is described. |
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| Keywords: | 2-Phenyl-5-aryl-2 3-dihydropyrazolo[3 4-b]pyridin-3-ones 2-Phenyl-3-oxo-2 3-dihydropyrazolo[3 4-b]pyridine-5-carbaldehyde Heterocyclocondensation Vinamidinium salts |
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