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Unusual reactivity of a nickel N-heterocyclic carbene complex: tert-butyl group cleavage and silicone grease activation

journal contribution
posted on 2023-06-08, 08:25 authored by Stephen Caddick, Geoff Cloke, Peter B Hitchcock, Alexandra K de K Lewis
Reaction lubrication? The reaction between [Ni(1,5-cod)2] (cod=cyclooctadiene) and 1,3-bis-tert-butylimidazol-2-ylidene in the presence of silicone grease affords the siloxane bridged dimer [{Ni[C(NtBuCH) 2][O(Me2SiOSiMe2)-µ-O]}2]. In a greaseless apparatus, the same reaction yields the dimer 1 (see structure), via two structurally characterized intermediates.

History

Publication status

  • Published

Journal

Angewandte Chemie International Edition

ISSN

1433-7851

Issue

43

Volume

43

Page range

5824-5827

Department affiliated with

  • Chemistry Publications

Notes

Times Cited: 9; Keywords: C-N activation; metal-metal bonds; N-heterocyclic carbenes; nickel; siliconeHECK-TYPE REACTIONS; OXIDATIVE ADDITION; AROMATIC CHLORIDES; ARYLCHLORIDES; PALLADIUM; METAL; AMINATION; CATALYSTS; AMIDO; BONDISI:000225204100021

Full text available

  • No

Peer reviewed?

  • Yes

Legacy Posted Date

2012-02-06

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