Tuning of tantalum alkylidene reactivity with a terdentate arylamine ligand : synthesis, structure and reactivity of [TaCl2{C6H3(CH2NMe2)2-2,6}(CHBu-tert)]
- Abbenhuis, H.C.L.
- Grove, D.M.
- Koten, van, G.
- Sluijs, van der, P.
- Spek, A.L.
Publication date
January 1990
DOIAbstract
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
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