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Photocatalytic Functionalization of Dihydroquinoxalin-2-Ones with Pyrazolones

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Photocatalytic Functionalization of Dihydroquinoxalin-2-Ones with Pyrazolones

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dc.contributor.author	Rostoll Berenguer, Jaume
dc.contributor.author	Sierra-Molero, Francisco J.
dc.contributor.author	Blay Llinares, Gonzalo
dc.contributor.author	Pedro, José Ramón
dc.contributor.author	Vila Descals, Carlos
dc.date.accessioned	2022-12-12T14:14:21Z
dc.date.available	2022-12-12T14:14:21Z
dc.date.issued	2022
dc.identifier.citation	Rostoll Berenguer, Jaume Sierra-Molero, Francisco J. Blay Llinares, Gonzalo Pedro, José Ramón Vila Descals, Carlos 2022 Photocatalytic Functionalization of Dihydroquinoxalin-2-Ones with Pyrazolones Advanced Synthesis & Catalysis 364 23 4054 4060
dc.identifier.uri	https://hdl.handle.net/10550/84721
dc.description.abstract	A visible-light photoredox functionalization of 3,4-dihydro-quinoxalin-2-ones with pyrazolones using an inexpensive organophotoredox catalyst is described. The reaction uses 9,10-phenanthrenedione as photocatalyst, a very simple and cheap photocatalyst, a HP single Blue LED (455 nm) as visible-light source and oxygen from air as terminal oxidant, obtaining the corresponding acetylated pyrazoles with good yields. The reaction can be extended to other nitrogen heterocycles such as 5-aminopyrazoles with good results.
dc.language.iso	eng
dc.relation.ispartof	Advanced Synthesis & Catalysis, 2022, vol. 364, num. 23, p. 4054-4060
dc.subject	Catàlisi
dc.subject	Compostos heterocíclics
dc.subject	Química orgànica
dc.title	Photocatalytic Functionalization of Dihydroquinoxalin-2-Ones with Pyrazolones
dc.type	journal article	es_ES
dc.date.updated	2022-12-12T14:14:22Z
dc.identifier.doi	10.1002/adsc.202201018
dc.identifier.idgrec	155894
dc.rights.accessRights	open access	es_ES