Zwitterionic Open-Shell Singlet Diradical with Solvent-Dependent Singlet–Triplet Energy Gap

Shimizu, Akihiro; Hayashida, Masaaki; Ochi, Yuta; Shiomi, Daisuke; Sato, Kazunobu; Takui, Takeji; Shintani, Ryo

doi:https://doi.org/10.1002/ajoc.202300224

Zwitterionic Open-Shell Singlet Diradical with Solvent-Dependent Singlet–Triplet Energy Gap

Shimizu, Akihiro; Hayashida, Masaaki; Ochi, Yuta et al.

Asian Journal of Organic Chemistry, 2023, 12(8), e202300224

アクセス数:818件（2025-08-28 22:24 集計）

固定URL: https://hdl.handle.net/11094/92336

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タイトル	Zwitterionic Open-Shell Singlet Diradical with Solvent-Dependent Singlet–Triplet Energy Gap
著者	NRID 1000030584263 1000030584263 ORCID 0000-0001-9392-2087 0000-0001-9392-2087 researchmap permalink 7000009063 7000009063 Scopus Author ID 55513295900 55513295900 著者名 Shimizu, Akihiro
	著者名 Hayashida, Masaaki
	著者名 Ochi, Yuta
	NRID 1000040260799 1000040260799 著者名 Shiomi, Daisuke
	NRID 1000090264796 1000090264796 著者名 Sato, Kazunobu
	NRID 1000010117955 1000010117955 著者名 Takui, Takeji
	NRID 1000050372561 1000050372561 researchmap permalink RMshintani RMshintani Scopus Author ID 6701562981 6701562981 著者名 Shintani, Ryo
キーワード等	NIR absorption
	radicals
	singlet diradicals
	triplet diradicals
	zwitterions
内容	This is the peer reviewed version of the following article: Shimizu A., Hayashida M., Ochi Y., et al. Zwitterionic Open-Shell Singlet Diradical with Solvent-Dependent Singlet–Triplet Energy Gap. Asian Journal of Organic Chemistry, which has been published in final form at https://doi.org/10.1002/ajoc.202300224. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited.
抄録	A zwitterionic open-shell singlet diradical composed of electron-donating anion, anthroxide, and electron-accepting cation, phenazinium, was designed and synthesized. The diradical has a small HOMO–LUMO energy gap and shows near-infrared absorption. Temperature-dependent ESR measurements confirmed its small energy gap between ground singlet and thermally-excited triplet states (ΔEST). The ΔEST of the diradical was changed by solvents (toluene, 2-MeTHF, and EtOH).
出版者	John Wiley and Sons Inc
収録物名	Asian Journal of Organic Chemistry
巻(号)	12(8)
ページ	e202300224
刊行年月	2023-05-23
言語	英語
ハンドルURL	https://hdl.handle.net/11094/92336
PISSN	21935807
関連情報 (isVersionOf)	DOI (出版社版) https://doi.org/10.1002/ajoc.202300224
アクセス権	open access
権利情報	© 2023 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	Asian Journal of Organic Chemistry. 2023, 12(8), p. e202300224
DC.title	Zwitterionic Open-Shell Singlet Diradical with Solvent-Dependent Singlet–Triplet Energy Gap
DC.creator	Shimizu, Akihiro
	Hayashida, Masaaki
	Ochi, Yuta
	Shiomi, Daisuke
	Sato, Kazunobu
	Takui, Takeji
	Shintani, Ryo
DC.publisher	John Wiley and Sons Inc
DC.language' scheme='DCTERMS.RFC1766	英語
DC.type' scheme='DCTERMS.DCMIType	text
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2023-05-23
DC.identifier	https://doi.org/10.1002/ajoc.202300224
DC.subject	NIR absorption
	radicals
	singlet diradicals
	triplet diradicals
	zwitterions
DC.description	This is the peer reviewed version of the following article: Shimizu A., Hayashida M., Ochi Y., et al. Zwitterionic Open-Shell Singlet Diradical with Solvent-Dependent Singlet–Triplet Energy Gap. Asian Journal of Organic Chemistry, which has been published in final form at https://doi.org/10.1002/ajoc.202300224. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited.
DCTERMS.abstract	A zwitterionic open-shell singlet diradical composed of electron-donating anion, anthroxide, and electron-accepting cation, phenazinium, was designed and synthesized. The diradical has a small HOMO–LUMO energy gap and shows near-infrared absorption. Temperature-dependent ESR measurements confirmed its small energy gap between ground singlet and thermally-excited triplet states (ΔEST). The ΔEST of the diradical was changed by solvents (toluene, 2-MeTHF, and EtOH).
DC.rights	© 2023 Wiley-VCH GmbH
DC.format	92336
citation_title	Zwitterionic Open-Shell Singlet Diradical with Solvent-Dependent Singlet–Triplet Energy Gap
citation_author	Shimizu, Akihiro
	Hayashida, Masaaki
	Ochi, Yuta
	Shiomi, Daisuke
	Sato, Kazunobu
	Takui, Takeji
	Shintani, Ryo
citation_publisher	John Wiley and Sons Inc
citation_language	英語
citation_date	2023-05-23
citation_journal_title	Asian Journal of Organic Chemistry
citation_volume	12
citation_issue	8
citation_firstpage	e202300224
citation_doi	https://doi.org/10.1002/ajoc.202300224
citation_public_url	https://hdl.handle.net/11094/92336

Zwitterionic Open-Shell Singlet Diradical with Solvent-Dependent Singlet–Triplet Energy Gap

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