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A New Supporting Ligand in Actinide Chemistry Leads to Reactive Bis(NHC)borate-Supported Thorium Complexes

Abstract : A versatile, monoanionic, chelating (bis)carbene ligand (2) was used to prepare a thorium dihalide complex (3) and a direduced-bpy derivative (4). CASSCF calculations suggest the involvement of a multiconfigurational open-shell singlet, with the main configuration corresponding to a Th(III)-bpy(−1) (f1π*1) electronic structure. The reactivity of 4 was explored in various transformations, including reactions with carbonyls and organic azides; the latter gave rise to an unusual terminal Th-imido bpy complex (6).
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https://hal.insa-toulouse.fr/hal-01968815
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Submitted on : Thursday, January 3, 2019 - 12:04:29 PM
Last modification on : Tuesday, March 3, 2020 - 11:40:04 AM

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  • HAL Id : hal-01968815, version 1

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Mary Garner, Stephan Hohloch, Laurent Maron, John Arnold. A New Supporting Ligand in Actinide Chemistry Leads to Reactive Bis(NHC)borate-Supported Thorium Complexes. Organometallics, American Chemical Society, 2016, 35 (17), pp.2915-2922. ⟨hal-01968815⟩

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