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Article: Photochemical nitrogenation of alkanes and arenes by a strongly luminescent osmium(VI) nitrido complex

TitlePhotochemical nitrogenation of alkanes and arenes by a strongly luminescent osmium(VI) nitrido complex
Authors
Issue Date2019
PublisherNature Research (part of Springer Nature): Fully open access journals. The Journal's web site is located at https://www.nature.com/commschem
Citation
Communications Chemistry, 2019, v. 2, article no. 40 How to Cite?
AbstractThe search for a highly active nitrido complex that can transfer its nitrogen atom to inert organic molecules remains a challenge to chemists. In this regard, the use of solar energy to generate a reactive nitrido species is an appealing strategy to solve this problem. Here we report the design of a strongly luminescent osmium(VI) nitrido compound, [OsVI(N)(NO2-L)(CN)3]− (NO2-OsN) with emission quantum yield (Φ) and life time (τ) of 3.0% and 0.48 μs, respectively in dichloromethane solution. Upon irradiation with visible light, this complex readily activates the aliphatic C-H bonds of various hydrocarbons, including alkanes. The excited state of NO2-OsN can undergo ring-nitrogenation of arenes, including benzene. Photophysical and computational studies suggest that the excited state of NO2-OsN arises from O^N ligand to Os ≡ N charge transfer transitions, and as a result it possesses [Os = N•] nitridyl character and is highly electrophilic.
Persistent Identifierhttp://hdl.handle.net/10722/272834
ISSN
2020 Impact Factor: 6.581
2020 SCImago Journal Rankings: 1.969
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorXiang, J-
dc.contributor.authorJin, XX-
dc.contributor.authorSu, QQ-
dc.contributor.authorCheng, SC-
dc.contributor.authorKo, CC-
dc.contributor.authorMan, WL-
dc.contributor.authorXue, M-
dc.contributor.authorWu, L-
dc.contributor.authorChe, CM-
dc.contributor.authorLau, TC-
dc.date.accessioned2019-08-06T09:17:26Z-
dc.date.available2019-08-06T09:17:26Z-
dc.date.issued2019-
dc.identifier.citationCommunications Chemistry, 2019, v. 2, article no. 40-
dc.identifier.issn2399-3669-
dc.identifier.urihttp://hdl.handle.net/10722/272834-
dc.description.abstractThe search for a highly active nitrido complex that can transfer its nitrogen atom to inert organic molecules remains a challenge to chemists. In this regard, the use of solar energy to generate a reactive nitrido species is an appealing strategy to solve this problem. Here we report the design of a strongly luminescent osmium(VI) nitrido compound, [OsVI(N)(NO2-L)(CN)3]− (NO2-OsN) with emission quantum yield (Φ) and life time (τ) of 3.0% and 0.48 μs, respectively in dichloromethane solution. Upon irradiation with visible light, this complex readily activates the aliphatic C-H bonds of various hydrocarbons, including alkanes. The excited state of NO2-OsN can undergo ring-nitrogenation of arenes, including benzene. Photophysical and computational studies suggest that the excited state of NO2-OsN arises from O^N ligand to Os ≡ N charge transfer transitions, and as a result it possesses [Os = N•] nitridyl character and is highly electrophilic.-
dc.languageeng-
dc.publisherNature Research (part of Springer Nature): Fully open access journals. The Journal's web site is located at https://www.nature.com/commschem-
dc.relation.ispartofCommunications Chemistry-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.titlePhotochemical nitrogenation of alkanes and arenes by a strongly luminescent osmium(VI) nitrido complex-
dc.typeArticle-
dc.identifier.emailChe, CM: chemhead@hku.hk-
dc.identifier.authorityChe, CM=rp00670-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1038/s42004-019-0142-3-
dc.identifier.scopuseid_2-s2.0-85071172503-
dc.identifier.hkuros299662-
dc.identifier.hkuros315952-
dc.identifier.volume2-
dc.identifier.spagearticle no. 40-
dc.identifier.epagearticle no. 40-
dc.identifier.isiWOS:000463163400001-
dc.publisher.placeUnited Kingdom-
dc.identifier.issnl2399-3669-

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