Synthesis of 4H-Indazol-4-ones and Fused Pyrazoles via Copper-Catalyzed Annulation of Hydrazones with Cyclic Enones

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dc.contributor.authorNayak, K.H.
dc.contributor.authorBhaskaran, R.P.
dc.contributor.authorShamnad, A.
dc.contributor.authorBabu, B.P.
dc.date.accessioned2026-02-04T12:26:12Z
dc.date.issued2023
dc.description.abstractHerein, we report the synthesis of cyclic ketone-fused pyrazoles via [3+2] annulation reaction between hydrazones and cyclic enones (five-, six- and seven-membered) catalyzed by Cu(II) under aerobic conditions. These compounds were further functionalized by reactions such as Suzuki-Miyaura cross-coupling, Heck coupling, and Aldol reaction to afford diverse molecular scaffolds in good yield, selectivity and functional group tolerance. © 2023 Wiley-VCH GmbH.
dc.identifier.citationAsian Journal of Organic Chemistry, 2023, 12, 9, pp. -
dc.identifier.issn21935807
dc.identifier.urihttps://doi.org/10.1002/ajoc.202300258
dc.identifier.urihttps://idr.nitk.ac.in/handle/123456789/21744
dc.publisherJohn Wiley and Sons Inc
dc.subjectCopper catalyst
dc.subjectCyclic enone
dc.subjectIndazole
dc.subjectPyrazole
dc.subject[3+2] Annulation
dc.titleSynthesis of 4H-Indazol-4-ones and Fused Pyrazoles via Copper-Catalyzed Annulation of Hydrazones with Cyclic Enones

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