Convenient synthesis of pyrazolo[3,4-b]pyridin-3-ones and pyrazolo[3,4-b]pyridine-5-carbaldehyde using vinamidinium salts
Autor: | Chtiba Samar, Khiari Jameleddine, Jemmezi Faycel |
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Rok vydání: | 2011 |
Předmět: | |
Zdroj: | Tetrahedron Letters. 52:3648-3650 |
ISSN: | 0040-4039 |
DOI: | 10.1016/j.tetlet.2011.05.024 |
Popis: | 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. |
Databáze: | OpenAIRE |
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