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ChemInform Abstract: A New One-Pot Three-Component Synthesis of 2,4-Diamino-5H-chromeno[2,3-b]pyridine-3-carbonitrile Derivatives.

✍ Scribed by Ahmad Shaabani; Fatemeh Hajishaabanha; Hamid Mofakham; Ali Maleki

Publisher
John Wiley and Sons
Year
2010
Weight
26 KB
Volume
41
Category
Article
ISSN
0931-7597

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ChemInform Abstract: Synthesis of 4-Aryl
ChemInform Abstract: Synthesis of 4-Aryl-3-methyl-6-oxo-4,5,6,7-tetrahydro-2H-pyrazolo [3,4-b]pyridine-5-carbonitrile via a One-Pot, Three-Component Reaction.
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## Abstract 3‐Amino‐5‐methylpyrazole, ethyl cyanoacetate and aromatic aldehydes undergo an acid‐catalyzed condensation to generate diastereomeric mixtures of pyrazolopyridinones (III)/(IV).