SYNTHESIS, SPECTROSCOPIC STUDIES AND REACTIVITY OF ETA(6)-ARENE DERIVATIVES OF TITANIUM(IV)

Calderazzo, Fausto; Pampaloni, Guido; Vallieri, A.

Halide abstraction from TiX(4) by AlX(3) in the presence of some aromatic hydrocarbons afforded the eta(6)-arene complexes of titanium(IV) of formula [TiX(3)(eta(6)-arene)]AlX(4) (arene=1,3,5-Me(3)C(6)H(3), X=Cl, Br; arene=1,2,4,5-Me(4)C(6)H(2), X=Cl; arene=Me,C-6, X=Cl, Br, I). The corresponding chloro complexes of 1,4-Me(2)C(6)H(4), 1,2,3-Me(3)C(6)H(3) and 1,2,4-Me(3)C(6)H(3) were characterized in solution by C-13 NMR spectroscopy. Arene displacement from [TiCl3(eta(6)-arene)][AlCl4] occurs with THF or TlCp (Cp=C5H5-) to afford TiCl4(THF)(2) or CpTiCl(3), respectively. The titanium(IV)-arene complexes efficiently promote the hydrogen-deuterium exchange of the ring protons between C6D6 and C(6)H(6-n)Me(n).

Autori interni:	CALDERAZZO, FAUSTO PAMPALONI, GUIDO Vallieri A. mostra contributor esterni nascondi contributor esterni
Autori:	Calderazzo F; Pampaloni G; Vallieri A
Titolo:	SYNTHESIS, SPECTROSCOPIC STUDIES AND REACTIVITY OF ETA(6)-ARENE DERIVATIVES OF TITANIUM(IV)
Anno del prodotto:	1995
Appare nelle tipologie:	1.1 Articolo in rivista

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Utilizza questo identificativo per citare o creare un link a questo documento:
http://hdl.handle.net/11568/204259

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