Green Oxidation of Indoles Using Molecular Oxygen over a Copper Nitride Nanocube Catalyst

Xu, Hang; Yamaguchi, Sho; Mitsudome, Takato; Mizugaki, Tomoo

doi:https://doi.org/10.1002/ejoc.202200826

Green Oxidation of Indoles Using Molecular Oxygen over a Copper Nitride Nanocube Catalyst

Xu, Hang; Yamaguchi, Sho; Mitsudome, Takato et al.

European Journal of Organic Chemistry, 2022, 2022(30), e202200826

アクセス数:217件（2025-04-17 06:37 集計）

固定URL: https://hdl.handle.net/11094/89383

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タイトル	Green Oxidation of Indoles Using Molecular Oxygen over a Copper Nitride Nanocube Catalyst
著者	著者名 Xu, Hang
	NRID 1000050700150 1000050700150 researchmap permalink 7000018077 7000018077 Scopus Author ID 56424690000 56424690000 著者名 Yamaguchi, Sho
	NRID 1000000437360 1000000437360 ORCID 0000-0003-3071-8243 0000-0003-3071-8243 researchmap permalink read0107411 read0107411 Scopus Author ID 11240122700 11240122700 著者名 Mitsudome, Takato
	NRID 1000050314406 1000050314406 ORCID 0000-0001-5701-7530 0000-0001-5701-7530 researchmap permalink read0054694 read0054694 Scopus Author ID 7003481890 7003481890 著者名 Mizugaki, Tomoo
キーワード等	Indoles
	Molecular oxygen
	Nanocube
	Trimerization
	Witkop oxidation
内容	H. Xu, S. Yamaguchi, T. Mitsudome, T. Mizugaki, Eur. J. Org. Chem. 2022, e202200826.
抄録	Oxidative transformation of indoles is a promising approach for synthesizing valuable nitrogen-containing compounds; however, conventional methods use toxic oxidants and additives. Herein, we report for the first time the catalytic oxidative trimerization and the oxygenative cleavage (Witkop oxidation) of indoles using molecular oxygen under additive-free conditions accomplished by a copper nitride nanocube (Cu3N NC) catalyst. The Cu3N NC catalyst exhibits excellent activity to produce various indolin-3-ones and 2-ketoanilides with high functional group tolerance. Owing to this excellent catalytic performance, the Cu3N NC catalyst is distinguished from the conventional copper catalysts, demonstrating the high catalytic potential of metal nitride in organic synthesis.
出版者	Wiley-VCH GmbH
収録物名	European Journal of Organic Chemistry
巻(号)	2022(30)
ページ	e202200826
刊行年月	2022-08-12
言語	英語
ハンドルURL	https://hdl.handle.net/11094/89383
PISSN	1434193X
eISSN	10990690
NCID	AA1118165X
関連情報 (isVersionOf)	DOI (出版社版) https://doi.org/10.1002/ejoc.202200826
アクセス権	open access
権利情報	© 2022 Wiley-VCH GmbH
出版タイプ	Accepted Manuscript
カテゴリ	学術雑誌論文 Journal Article

資源タイプ	学術雑誌論文
ローカル資源タイプ	学術雑誌論文
DCMI資源タイプ	text
DCTERMS.bibliographicCitation	European Journal of Organic Chemistry. 2022, 2022(30), p. e202200826
DC.title	Green Oxidation of Indoles Using Molecular Oxygen over a Copper Nitride Nanocube Catalyst
DC.creator	Xu, Hang
	Yamaguchi, Sho
	Mitsudome, Takato
	Mizugaki, Tomoo
DC.publisher	Wiley-VCH GmbH
DC.language' scheme='DCTERMS.RFC1766	英語
DC.type' scheme='DCTERMS.DCMIType	text
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2022-08-12
DC.identifier	https://doi.org/10.1002/ejoc.202200826
DC.subject	Indoles
	Molecular oxygen
	Nanocube
	Trimerization
	Witkop oxidation
DC.description	H. Xu, S. Yamaguchi, T. Mitsudome, T. Mizugaki, Eur. J. Org. Chem. 2022, e202200826.
DCTERMS.abstract	Oxidative transformation of indoles is a promising approach for synthesizing valuable nitrogen-containing compounds; however, conventional methods use toxic oxidants and additives. Herein, we report for the first time the catalytic oxidative trimerization and the oxygenative cleavage (Witkop oxidation) of indoles using molecular oxygen under additive-free conditions accomplished by a copper nitride nanocube (Cu3N NC) catalyst. The Cu3N NC catalyst exhibits excellent activity to produce various indolin-3-ones and 2-ketoanilides with high functional group tolerance. Owing to this excellent catalytic performance, the Cu3N NC catalyst is distinguished from the conventional copper catalysts, demonstrating the high catalytic potential of metal nitride in organic synthesis.
DC.rights	© 2022 Wiley-VCH GmbH
DC.format	89383
citation_title	Green Oxidation of Indoles Using Molecular Oxygen over a Copper Nitride Nanocube Catalyst
citation_author	Xu, Hang
	Yamaguchi, Sho
	Mitsudome, Takato
	Mizugaki, Tomoo
citation_publisher	Wiley-VCH GmbH
citation_language	英語
citation_date	2022-08-12
citation_journal_title	European Journal of Organic Chemistry
citation_volume	2022
citation_issue	30
citation_firstpage	e202200826
citation_doi	https://doi.org/10.1002/ejoc.202200826
citation_public_url	https://hdl.handle.net/11094/89383

Green Oxidation of Indoles Using Molecular Oxygen over a Copper Nitride Nanocube Catalyst

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