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Synthesis and catalytic activity of dinuclear imido titanium complexes: the molecular structure of [Ti(NPh)Cl( mu-Cl)(THF)(2)](2)

Synthesis and catalytic activity of dinuclear imido titanium complexes: the molecular structure of [Ti(NPh)Cl( mu-Cl)(THF)(2)](2)
Synthesis and catalytic activity of dinuclear imido titanium complexes: the molecular structure of [Ti(NPh)Cl( mu-Cl)(THF)(2)](2)
Reaction of TiCl4 with the reagents RN(SiMe3)(2) in dichloromethane precipitates red to black powders (R = 1-adamantyl, phenyl. pentafluorophenyl, 3,5-bis(trifluoromethyl)phenyl), which on treatment with tetrahydrofuran gives the new THF adducts [Ti(NR)Cl(mu-Cl)(THF)(2)](2). The complexes are dimeric in the solid state with bridging chloride and terminal imido ligands. Activation with MAO (methylaluminoxane) gives ethene polymerisation catalysts with productivities of up to 31 kg PE [(mol complex) h bar](-1).
titanium, imido, catalysis, polymerisation, methylaluminoxane ligands, exchange, nitride
0277-5387
151-156
Pennington, Dale A.
9ea48d31-5dea-4cc7-ab57-3bcb920f8e4b
Horton, Peter N.
48f162d1-d6ce-43c1-aeef-d58b3ec702b8
Hursthouse, Michael B.
a65b4d35-2ea0-47e7-938a-d744f4d9ba28
Bochmann, Manfred
ec2bb201-23cc-4f91-aa80-258e6c8cc9fb
Lancaster, Simon J.
06d860ba-99d7-4be1-a78d-39505c0fc14b
Pennington, Dale A.
9ea48d31-5dea-4cc7-ab57-3bcb920f8e4b
Horton, Peter N.
48f162d1-d6ce-43c1-aeef-d58b3ec702b8
Hursthouse, Michael B.
a65b4d35-2ea0-47e7-938a-d744f4d9ba28
Bochmann, Manfred
ec2bb201-23cc-4f91-aa80-258e6c8cc9fb
Lancaster, Simon J.
06d860ba-99d7-4be1-a78d-39505c0fc14b

Pennington, Dale A., Horton, Peter N., Hursthouse, Michael B., Bochmann, Manfred and Lancaster, Simon J. (2005) Synthesis and catalytic activity of dinuclear imido titanium complexes: the molecular structure of [Ti(NPh)Cl( mu-Cl)(THF)(2)](2). Polyhedron, 24 (1), 151-156. (doi:10.1016/j.poly.2004.10.006).

Record type: Article

Abstract

Reaction of TiCl4 with the reagents RN(SiMe3)(2) in dichloromethane precipitates red to black powders (R = 1-adamantyl, phenyl. pentafluorophenyl, 3,5-bis(trifluoromethyl)phenyl), which on treatment with tetrahydrofuran gives the new THF adducts [Ti(NR)Cl(mu-Cl)(THF)(2)](2). The complexes are dimeric in the solid state with bridging chloride and terminal imido ligands. Activation with MAO (methylaluminoxane) gives ethene polymerisation catalysts with productivities of up to 31 kg PE [(mol complex) h bar](-1).

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Published date: 6 January 2005
Keywords: titanium, imido, catalysis, polymerisation, methylaluminoxane ligands, exchange, nitride

Identifiers

Local EPrints ID: 20884
URI: http://eprints.soton.ac.uk/id/eprint/20884
ISSN: 0277-5387
PURE UUID: 94c31d52-0554-4dd7-a4bb-8bdc96c65219

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Date deposited: 02 Mar 2006
Last modified: 15 Jul 2019 19:25

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Contributors

Author: Dale A. Pennington
Author: Peter N. Horton
Author: Michael B. Hursthouse
Author: Manfred Bochmann
Author: Simon J. Lancaster

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