Zobrazeno 1 - 10 of 86 pro vyhledávání: '"Teuben, Jan H."'
1
Synthesis and characterization of bis(eta(5)-1,2,3,4,5-pentamethylcyclopentadienyl)(eta(3)-1-phenylallyl)lanthanum center dot tetrahydrofuran
Autor: Kretschmer, Winfried P., ten Brummelhuis, Bas, Meetsma, Auke, Teuben, Jan H.
Publikováno v: Zeitschrift fur Anorganische und Allgemeine Chemie, 632(12-13), 1933-1935. WILEY-V C H VERLAG GMBH
The title compound has been prepared from Cp-2*LaCl2K(THF)(2) and 1-PhC3H4K-(THF)(0.5) in THF suspension, forming yellow single crystals from hexane solution which were characterized in solid state and in solution by elementary analysis, IR, C-13- an
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=narcis______::d72b38a05855c9a7e425705b50c6acd2
https://research.rug.nl/en/publications/fbdb941b-53ff-49b7-b04a-89108aa48e63
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2
Yttrium alkyl complexes with a sterically demanding benzamidinate ligand: synthesis, structure and catalytic ethene polymerisation
Autor: Bambirra, Sergio, van Leusen, Daan, Meetsma, Auke, Hessen, Bart, Teuben, Jan H
Publikováno v: Chemical Communications, 21(4), 522-523. ROYAL SOC CHEMISTRY
The benzamidinate yttrium dialkyl complexes [PhC(NAr)(2)]Y(CH2SiMe3)(2)(THF)(n) (Ar = 2,6-diisopropylphenyl; n = 1, 2) were prepared; when activated with [PhNMe2H][B(C6F5)(4)] the species with n = 1 polymerises ethene to polyethene with a narrow poly
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=narcis______::de76b15cc43fda9a01942b3726d7d6d7
https://research.rug.nl/en/publications/c8850598-c779-4cec-871d-36a8fde15132
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4
Synthesis of heteroatom end-functionalized polyethene with lanthanide and transition-metal catalysts
Autor: Hessen, Bart, Ringelberg, Stephanie N., Meppelder, Geert-Jan, Teuben, Jan H.
Publikováno v: Abstracts of Papers of the American Chemical Society, 219, U361-U361. AMER CHEMICAL SOC
Incorporation of heteroatom functionalities in the catalytic formation of polyolefin materials can be accomplished either by copolymerization of the olefin with an olefinic substrate that has a heteroatom-containing substituent, or by using a heteroa
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=narcis______::7dac3f23cd968e23b1f415e89ad7a580
https://research.rug.nl/en/publications/1c2b6c4c-2f90-4f45-811d-d5c69aa08544
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5
Insertion and C-H Bond Activation of Unsaturated Substrates by Bis(benzamidinato)yttrium Alkyl, [PhC(NSiMe3)2]2YR (R = CH2Ph·THF, CH(SiMe3)2), and Hydrido, {[PhC(NSiMe3)2]2Y(μ-H)}2, Compounds
Autor: Duchateau, Robbert, Wee, Cornelis T. van, Teuben, Jan H.
Publikováno v: Organometallics, 15(9), 2291-2302. AMER CHEMICAL SOC INC
The reactivity of benzamidinate-stabilized yttrium complexes [PhC(NSiMe3)2]2YR (R = CH2Ph·THF, CH(SiMe3)2) and {[PhC(NSiMe3)2]2Y(μ-H)}2 has been investigated. The complexes are thermally stable showing no sign of decomposition, ligand or solvent me
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=narcis______::b56ea91310f6b6a7b47dc1cc67d645c0
https://research.rug.nl/en/publications/8ef7e9ac-a282-441f-9736-3a397cbf6c1c
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7
C-H activation reactions by yttrium and lutetium hydride complexes: H/D exchange vs metalation of hydrocarbons. Importance of the hybridization state at the α carbon
Autor: Deelman, Berth-Jan, Teuben, Jan H., Macgregor, Stuart A., Eisenstein, Odile
Publikováno v: New Journal of Chemistry, 19(5-6), 691-698. ROYAL SOC CHEMISTRY
Extended Hückel (EHT) calculations have been used to discuss the two alternative σ-bond C-H metathesis reactions which occur with organo-lanthanide (Ln = Y, Lu) compounds. The two reactions lead either to H/H (H/D) exchange or to metalation and hav
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=narcis______::b8215b6fab5306c1a2c4029fbeac14ca
https://research.rug.nl/en/publications/2d56bcec-bce9-4d7e-a999-5c4386c95c75
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8
Mono-η-cyclopentadienyl-benzamidinato chloro compounds of titanium, zirconium and hafnium
Autor: Gómez, Rafael, Duchateau, Robbert, Chernega, Alexander N., Teuben, Jan H., Edelmann, Frank T., Green, Malcolm L.H.
Publikováno v: Journal of Organometallic Chemistry, 491, 153-158. Elsevier Science
The new compounds {M(η-C5R5)[η-CPh(NSiMe3)2]]Cl2} (where R = H, M = Ti, Zr, Hf or R = Me, M = Ti or Zr), are described. The crystal structures of {M(η-C5R5)([η-CPh(NSiMe3)2]Cl2} (R = H, M = Zr or Hf) have been determined. The compound {Zr(η-C5H5
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=narcis______::e63b4b03188eeeb6e9e8eb7300354760
https://research.rug.nl/en/publications/820109a9-2f60-48c3-b456-60242514506c
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9
Insertion Chemistry of Cp*zY(2-pyridyl) and Molecular Structure of the Unexpected CO Insertion Product (Cp'2y) 2@ mq 2:q 2-oc (NC 5H4) 2)
Autor: Deelman, Berth-Jan, Stevels, Willem M., Teuben, Jan H., Lakin, Miles T., Spek, Anthony L.
Publikováno v: Organometallics, 13(10), 3881-3891. AMER CHEMICAL SOC INC
Pyridine is metalated selectively at the 2-position by (Cp*2YH)2 to yield Cp*2Y(2-pyridyl) (1). Compound 1 reacts with H2 to give the hydride addition product Cp*2Y(NC5H6) (2). With THF and pyridine the adducts Cp*2Y(eta2-2-pyridyl)(THF) (3) and Cp*2
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=narcis______::fec257619106506c6a484f0401cd6015
https://research.rug.nl/en/publications/d25115ba-d857-4825-93f5-a42ad8d84eea
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10
C-H Activation of Arenes and Substituted Arenes by the Yttrium Hydride (Cp*2YH)2: Competition between Cp* Ligand Metalation, Arene Metalation, and H/D Exchange. Molecular Structures of Cp*2Y(μ-H)(μ-η1,η5-CH2C5Me4)YCp* and Cp*2Y(o-C6H4PPh2CH2)
Autor: Booij, Martin, Deelman, Berth-Jan, Duchateau, Rob, Postma, Djurre S., Meetsma, Auke, Teuben, Jan H.
Publikováno v: Organometallics, 12(9). AMER CHEMICAL SOC INC
Several C-H activation reactions with (Cp*2YH)2 (1) are reported. Thermolysis of 1 in n-octane, cyclohexane, or benzene leads to formation of the thermodynamically favored product Cp*2Y(μ-H)(μ-η1,η5-CH2C5Me4)YCp* (2). The molecular structure of 2
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=narcis______::82cdd1d3577295a17baf3339cde14bbe
https://research.rug.nl/en/publications/dd820c87-92f8-4fb0-9d0c-4b07447e4220
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