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Synthesis and Reactivity of a Scandium Terminal Hydride: H₂ Activation by a Scandium Terminal Imido Complex

Lookup NU author(s): Dr Erli Lu

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Abstract

© 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim. Dihydrogen is easily activated by a scandium terminal imido complex containing the weakly coordinated THF. The reaction proceeds through a 1,2-addition mechanism, which is distinct from the σ-bond metathesis mechanism reported to date for rare-earth metal-mediated H2 activation. This reaction yields a scandium terminal hydride, which is structurally well-characterized, being the first one to date. The reactivity of this hydride is reported with unsaturated substrates, further shedding light on the existence of the terminal hydride complex. Interestingly, the H2 activation can be reversible. DFT investigations further eludciate the mechanistic aspects of the reactivity of the scandium anilido-terminal hydride complex with PhNCS but also on the reversible H2 activation process.

Publication metadata

Author(s): Han X, Xiang L, Lamsfus CA, Mao W, Lu E, Maron L, Leng X, Chen Y

Publication type: Article

Publication status: Published

Journal: Chemistry - A European Journal

Year: 2017

Volume: 23

Issue: 59

Pages: 14728-14732

Print publication date: 20/10/2017

Online publication date: 04/09/2017

Acceptance date: 04/09/2017

ISSN (print): 0947-6539

ISSN (electronic): 1521-3765

Publisher: Wiley - VCH Verlag

URL: https://doi.org/10.1002/chem.201703905

DOI: 10.1002/chem.201703905

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