Dinuclear titanium complexes with methylphenylsilylene bridge between cyclopentadienyl rings. Synthesis, characterization and reactivity towards ethylene

Reactions of chromocene [CrCp 2 ] (Cp = η 5 -C 5 H 5 ) with cyclopentadienyltitanium trichlorides [Ti(η 5 -C 5 H 5-n Me n )Cl 3 ] (n = 0-5) and [Ti(C 5 Me 4 Et)TiCl 3 ] in toluene resulted in precipitation of ion pairs of [CrCp 2 ] + [Ti(η 5 -C 5 H 5-n Me n )Cl 3 ] -(1-6) and [CrCp 2 ] + [Ti(η 5 -C 5 Me 4 Et)Cl 3 ] -(7). Heating their toluene solutions to 100°C yielded the titanocene chloride -cyclopentadienylchromium dichloride complexes with the metals linked by bridging chloride ligands. For n = 0-3, the purple-violet complexes [CpCp′Ti(μ-Cl) 2 Cr(Cp)Cl] (Cp′ -cyclopentadienyl ligand of the titanium component) (8-11) were stable at 100°C, and the single-crystal structure of [Cp 2 Ti(μ-Cl) 2 Cr(Cp)Cl] (8) was determined. The bridging complexes of the same type for n = 4, 5 and the C 5 Me 4 Et ligand (12-14) were contaminated with titano-[a] J. Heyrovský Institute of Physical Chemistry, Academy of Sciences of the Czech Republic, v.v.i., 2637 1 H NMR broad-range spectra of [D 8 ]toluene solutions of 5-7 did not consistently yield reliable data. Even though solid-state Eur.

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Chromocene–Cyclopentadienyltitanium Trichloride Ion Pairs and Their Rearrangement to Titanocene Chloride–Cyclopentadienylchromium Dichlorides – Ethylene Polymerization Tests

Varga

Pinkas

Cı́sařová

et al. 2018

Eur J Inorg Chem

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Study of the anticancer properties of methyl- and phenyl-substituted carbon- and silicon-bridged ansa-titanocene complexes

Mijatović

Bulatović

Mojić

et al. 2014

Journal of Organometallic Chemistry

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Highly selective ethylene trimerization catalyzed by half-sandwich indenyl titanium complexes with pendant arene groups and MAO

Zhang

Huang

2013

Journal of Molecular Catalysis A: Chemical

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Dinuclear titanium complexes with methylphenylsilylene bridge between cyclopentadienyl rings. Synthesis, characterization and reactivity towards ethylene

Cited by 5 publications

References 38 publications

Chromocene–Cyclopentadienyltitanium Trichloride Ion Pairs and Their Rearrangement to Titanocene Chloride–Cyclopentadienylchromium Dichlorides – Ethylene Polymerization Tests

Chromocene–Cyclopentadienyltitanium Trichloride Ion Pairs and Their Rearrangement to Titanocene Chloride–Cyclopentadienylchromium Dichlorides – Ethylene Polymerization Tests

Study of the anticancer properties of methyl- and phenyl-substituted carbon- and silicon-bridged ansa-titanocene complexes

Highly selective ethylene trimerization catalyzed by half-sandwich indenyl titanium complexes with pendant arene groups and MAO

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