Tuning of tantalum alkylidene reactivity with a terdentate arylamine ligand : synthesis, structure and reactivity of [TaCl2{C6H3(CH2NMe2)2-2,6}(CHBu-tert)]

H.C.L. Abbenhuis, D.M. Grove, G. Koten, van, P. Sluijs, van der, A.L. Spek

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Abstract

The terdentate aryldiamine ligand in the aryltantalum(V) alkylidene complex [TaCl2{C6H3(CH2NMe2)2-2,6}(CHBut)] (1) controls alkylidene reactivity in a range of metal-mediated Wittig reactions. An X-ray diffraction study of (1) shows that the hexacoordinate tantalum centre has a very irregular ligand array in which the aryldiamine ligand adopts a new facial N,C,N coordination mode.
Original languageEnglish
Pages (from-to)446-448
Number of pages3
JournalRecueil des Travaux Chimiques des Pays-Bas
Volume109
Issue number7-8
DOIs
Publication statusPublished - 1990

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