A Terminal and Four-Coordinate Titanium Alkylidene Prepared by Oxidatively Induced α-Hydrogen Abstraction

One-electron oxidation of the β-diketiminate titanium(III) bis-neopentyl complex (Nacnac)Ti(CH2 t Bu)2 (Nacnac = [Ar]NC(Me)CHC(Me)N[Ar], Ar = 2,6-(CHMe2)2C6H3) promotes α-abstraction to afford the rare and terminal four-coordinate neopentylidene (Nacnac)TiCH t Bu(OTf), which was structurally charac...

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Veröffentlicht in:	Journal of the American Chemical Society 2003-05, Vol.125 (20), p.6052-6053
Hauptverfasser:	Basuli, Falguni, Bailey, Brad C, Tomaszewski, John, Huffman, John C, Mindiola, Daniel J
Format:	Artikel
Sprache:	eng
Schlagworte:	Chemistry Exact sciences and technology Organic chemistry Organometalloidal and organometallic compounds Preparations and properties Transition metals derivatives
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	One-electron oxidation of the β-diketiminate titanium(III) bis-neopentyl complex (Nacnac)Ti(CH2 t Bu)2 (Nacnac = [Ar]NC(Me)CHC(Me)N[Ar], Ar = 2,6-(CHMe2)2C6H3) promotes α-abstraction to afford the rare and terminal four-coordinate neopentylidene (Nacnac)TiCH t Bu(OTf), which was structurally characterized. Alkylidene (Nacnac)TiCH t Bu(OTf) reacts cleanly with benzophenone and the imine functionality of the Nacnac ligand to afford the corresponding Wittig-type products.
ISSN:	0002-7863 1520-5126
DOI:	10.1021/ja034786n