Novel and efficient synthesis of pyrazolo]3,4-b]pyridin-6-ones or their hydrogenated derivatives through one-pot reaction in ionic liquid

Article abstract of DOI:10.3987/COM-08-11561

Pyrazolo[3,4-b]pyridin-6-ones or their hydrogenated derivatives were obtained selectively and conveniently through one-pot reaction of aldehyde, ethyl cyanoacetate and 5-amino-3-methyl-1-phenylpyrazole in [bmim][BF₄] with or without ferric chlo