Synthesis of pyrazolo [3,4-b] pyridines using basic ionic liquid [bmIm]OH

S. G. Patil; V.V.Bhadke; R.R.Bagul

Journal of Chemical and Pharmaceutical Research (ISSN : 0975-7384)

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Synthesis of pyrazolo [3,4-b] pyridines using basic ionic liquid [bmIm]OH

Author(s): S. G. Patil* , V.V.Bhadke and R.R.Bagul

Basic ionic liquid catalyzed synthesis of various pyrazolo [3, 4-b] pyridines were synthesized by cyclocondensation of 5-amino-3 aryl -1-H phenylpyrazoles, p-substituted benzoylacetonitriles and some aryl aldehydes by using basic ionic liquid, [bmIm]OH. It acts as a base catalyst. Comparative study of triethylamine and [bmIm]OH. and ammonium acetate was studied .Reusability of catalyst with good yields under green reaction conditions is the salient feature of this synthetic method.

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