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Article: Air-Stable Blue Phosphorescent Tetradentate Platinum(II) Complexes as Strong Photo-Reductant

TitleAir-Stable Blue Phosphorescent Tetradentate Platinum(II) Complexes as Strong Photo-Reductant
Authors
Issue Date2018
PublisherWiley - VCH Verlag GmbH & Co. KGaA. The Journal's web site is located at http://www3.interscience.wiley.com/journal/26737/home
Citation
Angewandte Chemie (International Edition), 2018, v. 57 n. 43, p. 14129-14133 How to Cite?
AbstractStrong photo‐reductants have applications in photo‐redox organic synthesis involving reductive activation of C−X(halide) and C=O bonds. We report herein air‐stable PtII complexes supported by tetradentate bis(phenolate‐NHC) ligands having peripheral electron‐donating N‐carbazolyl groups. Photo‐physical, electrochemical, and computational studies reveal that the presence of N‐carbazolyl groups enhances the light absorption and redox reversibility because of its involvement into the frontier MOs in both ground and excited states, making the complexes robust strong photo‐reductant with E([Pt]+/*) over −2.6 V vs. Cp2Fe+/0. The one‐electron reduced [Pt]− species are stronger reductants with EPC([Pt]0/−) up to −3.1 V vs. Cp2Fe+/0. By virtue of the strong reducing nature of these species generated upon light excitation, they can be used in light‐driven reductive coupling of carbonyl compounds and reductive debromination of a wide range of unactivated aryl bromides.
Persistent Identifierhttp://hdl.handle.net/10722/269402
ISSN
2019 Impact Factor: 12.959
2015 SCImago Journal Rankings: 6.229

 

DC FieldValueLanguage
dc.contributor.authorLi, K-
dc.contributor.authorWan, Q-
dc.contributor.authorYang, C-
dc.contributor.authorChang, X-
dc.contributor.authorLow, KH-
dc.contributor.authorChe, CM-
dc.date.accessioned2019-04-24T08:06:58Z-
dc.date.available2019-04-24T08:06:58Z-
dc.date.issued2018-
dc.identifier.citationAngewandte Chemie (International Edition), 2018, v. 57 n. 43, p. 14129-14133-
dc.identifier.issn1433-7851-
dc.identifier.urihttp://hdl.handle.net/10722/269402-
dc.description.abstractStrong photo‐reductants have applications in photo‐redox organic synthesis involving reductive activation of C−X(halide) and C=O bonds. We report herein air‐stable PtII complexes supported by tetradentate bis(phenolate‐NHC) ligands having peripheral electron‐donating N‐carbazolyl groups. Photo‐physical, electrochemical, and computational studies reveal that the presence of N‐carbazolyl groups enhances the light absorption and redox reversibility because of its involvement into the frontier MOs in both ground and excited states, making the complexes robust strong photo‐reductant with E([Pt]+/*) over −2.6 V vs. Cp2Fe+/0. The one‐electron reduced [Pt]− species are stronger reductants with EPC([Pt]0/−) up to −3.1 V vs. Cp2Fe+/0. By virtue of the strong reducing nature of these species generated upon light excitation, they can be used in light‐driven reductive coupling of carbonyl compounds and reductive debromination of a wide range of unactivated aryl bromides.-
dc.languageeng-
dc.publisherWiley - VCH Verlag GmbH & Co. KGaA. The Journal's web site is located at http://www3.interscience.wiley.com/journal/26737/home-
dc.relation.ispartofAngewandte Chemie (International Edition)-
dc.rightsThis is the peer reviewed version of the following article: Angewandte Chemie (International Edition), 2018, v. 57 n. 43, p. 14129-14133, which has been published in final form at https://doi.org/10.1002/anie.201808642. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.-
dc.titleAir-Stable Blue Phosphorescent Tetradentate Platinum(II) Complexes as Strong Photo-Reductant-
dc.typeArticle-
dc.identifier.emailLi, K: leakey@hku.hk-
dc.identifier.emailYang, C: yangchen@HKUCC-COM.hku.hk-
dc.identifier.emailChang, X: xychang@hku.hk-
dc.identifier.emailLow, KH: khlow@hku.hk-
dc.identifier.emailChe, CM: chemhead@hku.hk-
dc.identifier.authorityChe, CM=rp00670-
dc.description.naturepostprint-
dc.identifier.doi10.1002/anie.201808642-
dc.identifier.scopuseid_2-s2.0-85054542840-
dc.identifier.hkuros297297-
dc.identifier.volume57-
dc.identifier.issue43-
dc.identifier.spage14129-
dc.identifier.epage14133-
dc.publisher.placeGermany-

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