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An iridium(iii/iv/v) redox series featuring a terminal imido complex with triplet ground state.

ABSTRACT: The iridium(iii/iv/v) imido redox series [Ir(NtBu){N(CHCHPtBu₂)₂}]^0/+/2+ was synthesized and examined spectroscopically, magnetically, crystallographically and computationally. The monocationic iridium(iv) imide exhibits an electronic doublet ground state with considerable 'imidyl' character as a result of covalent Ir-NtBu bonding. Reduction gives the neutral imide [Ir(NtBu){N(CHCHPtBu₂)₂}] as the first example of an iridium complex with a triplet ground state. Its reactivity with respect to nitrene transfer to selected electrophiles (CO₂) and nucleophiles (PMe₃), respectively, is reported.

SUBMITTER: Kinauer M

PROVIDER: S-EPMC5944377 | biostudies-literature | 2018 May

REPOSITORIES: biostudies-literature

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An iridium(iii/iv/v) redox series featuring a terminal imido complex with triplet ground state.

Kinauer Markus M Diefenbach Martin M Bamberger Heiko H Demeshko Serhiy S Reijerse Edward J EJ Volkmann Christian C Würtele Christian C van Slageren Joris J de Bruin Bas B Holthausen Max C MC Schneider Sven S

Chemical science 20180417 18

The iridium(iii/iv/v) imido redox series [Ir(NtBu){N(CHCHPtBu2)2}]0/+/2+ was synthesized and examined spectroscopically, magnetically, crystallographically and computationally. The monocationic iridium(iv) imide exhibits an electronic doublet ground state with considerable 'imidyl' character as a result of covalent Ir-NtBu bonding. Reduction gives the neutral imide [Ir(NtBu){N(CHCHPtBu2)2}] as the first exa ...[more]

PMID: 29780564

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