Catalytic synthesis of New pyrazolo [3,4-b] Pyridine via a Cooperative vinylogous anomeric-based Oxidation
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In this study, a novel nano-magnetic metal-organic frameworks based on FeO namely FeO@MIL-101(Cr)-N(CHPO) was synthesized and fully characterized. The prepared sample was used as catalyst in the synthesis of pyrazolo [3,4-b] pyridines as convenient medicine by condensation reaction of aldehydes, 5-(1H-Indol-3-yl)- 2H-pyrazol-3-ylamine and 3-(cyanoacetyl)indole via a CVABO. The products were obtained with high yields at 100 °C and under solvent-free conditions.
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