Dattaprasad M. Pore, Pradeep B. Patil, D. S. Gaikwad, Pravin G. Hegade, Jayavant D. Patil, K. A. Undale
Abstract
Abstract Pyrazolone, generated in situ from acetylenic ester (II) and hydrazine hydrate reacts with isatins and malononitrile to provide novel spiro compounds under catalyst‐free conditions.
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Abstract Pyrazolone, generated in situ from acetylenic ester (II) and hydrazine hydrate reacts with isatins and malononitrile to provide novel spiro compounds under catalyst‐free conditions.
Key concepts: Malononitrile, Chemistry, Hydrazine (antidepressant), Pyrazolone, Hydrate, Catalysis, Organic chemistry, Combinatorial chemistry