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ChemInform Abstract: A Facile Synthesis of Furo[3,4-e]pyrazolo[3,4-b]pyridine-5(7H)-one Derivatives via Three-Component Reaction in Ionic Liquid Without any Catalyst.

✍ Scribed by Da-Qing Shi; Fang Yang; Sai-Nan Ni

Publisher
John Wiley and Sons
Year
2009
Weight
25 KB
Volume
40
Category
Article
ISSN
0931-7597

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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).