Well-defined silica-supported zirconium–imido complexes mediated heterogeneous imine metathesis

Bilel Hamzaoui; Jeremie Pelletier; Edy Abou-Hamad; Jean-Marie Basset

doi:10.1039/c6cc00471g

Well-defined silica-supported zirconium–imido complexes mediated heterogeneous imine metathesis

Bilel Hamzaoui, Jeremie Pelletier, Edy Abou-Hamad, Jean-Marie Basset

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Abstract

Upon prolonged thermal exposure under vacuum, a well-defined single-site surface species [(≡Si-O-)Zr(NEt2)3] (1) evolves into an ethylimido complex [(≡Si-O-)Zr(=NEt)NEt2] (2). Reactions of 2 with an imine substrate result in imido/imine (=NRi, R: Et, Ph) exchange (metathesis) with the formation of [(≡Si-O-)Zr(=NPh)NEt2] (3). Compounds 2 and 3 effectively catalyze imine/imine cross-metathesis and are thus considered as the first heterogeneous catalysts active for imine metathesis. © The Royal Society of Chemistry 2016.

Original language	English (US)
Pages (from-to)	4617-4620
Number of pages	4
Journal	Chem. Commun.
Volume	52
Issue number	25
DOIs	https://doi.org/10.1039/c6cc00471g
State	Published - 2016

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title = "Well-defined silica-supported zirconium–imido complexes mediated heterogeneous imine metathesis",

abstract = "Upon prolonged thermal exposure under vacuum, a well-defined single-site surface species [(≡Si-O-)Zr(NEt2)3] (1) evolves into an ethylimido complex [(≡Si-O-)Zr(=NEt)NEt2] (2). Reactions of 2 with an imine substrate result in imido/imine (=NRi, R: Et, Ph) exchange (metathesis) with the formation of [(≡Si-O-)Zr(=NPh)NEt2] (3). Compounds 2 and 3 effectively catalyze imine/imine cross-metathesis and are thus considered as the first heterogeneous catalysts active for imine metathesis. {\textcopyright} The Royal Society of Chemistry 2016.",

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T1 - Well-defined silica-supported zirconium–imido complexes mediated heterogeneous imine metathesis

AU - Hamzaoui, Bilel

AU - Pelletier, Jeremie

AU - Abou-Hamad, Edy

AU - Basset, Jean-Marie

N1 - KAUST Repository Item: Exported on 2020-10-01

PY - 2016

Y1 - 2016

N2 - Upon prolonged thermal exposure under vacuum, a well-defined single-site surface species [(≡Si-O-)Zr(NEt2)3] (1) evolves into an ethylimido complex [(≡Si-O-)Zr(=NEt)NEt2] (2). Reactions of 2 with an imine substrate result in imido/imine (=NRi, R: Et, Ph) exchange (metathesis) with the formation of [(≡Si-O-)Zr(=NPh)NEt2] (3). Compounds 2 and 3 effectively catalyze imine/imine cross-metathesis and are thus considered as the first heterogeneous catalysts active for imine metathesis. © The Royal Society of Chemistry 2016.

AB - Upon prolonged thermal exposure under vacuum, a well-defined single-site surface species [(≡Si-O-)Zr(NEt2)3] (1) evolves into an ethylimido complex [(≡Si-O-)Zr(=NEt)NEt2] (2). Reactions of 2 with an imine substrate result in imido/imine (=NRi, R: Et, Ph) exchange (metathesis) with the formation of [(≡Si-O-)Zr(=NPh)NEt2] (3). Compounds 2 and 3 effectively catalyze imine/imine cross-metathesis and are thus considered as the first heterogeneous catalysts active for imine metathesis. © The Royal Society of Chemistry 2016.

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DO - 10.1039/c6cc00471g

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SP - 4617

EP - 4620

JO - Chem. Commun.

JF - Chem. Commun.

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ER -

Well-defined silica-supported zirconium–imido complexes mediated heterogeneous imine metathesis

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