Journal ArticleDOI
Synthesis, Structures, Bonding, and Ethylene Reactivity of Group 4 Metal Alkyl Complexes Incorporating 8-Quinolinolato Ligands
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TLDR
In this article, the synthesis, structures, bonding, and reactivity of neutral (Ox)2MR2 and cationic (O2MR+ zirconium and hafnium alkyl complexes which contain substituted 8-quinolinolato ligands are described.About:
This article is published in Organometallics.The article was published on 1997-07-22. It has received 160 citations till now. The article focuses on the topics: Alkyl & Ligand.read more
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FI catalysts for olefin polymerization--a comprehensive treatment.
Patent
Catalyst for the production of olefin polymers
TL;DR: In this paper, a cyclic catalyst precursor with formula (1) wherein M is a Group IVB metal, each L is a monovalent, bivalent, or trivalent anion, X and Y are each heteroatoms, and each cyclo is a Cyclic moiety; each R1 is a group containing 1 to 50 atoms selected from the group consisting of hydrogen and Group IIIA to Group VIIA elements.
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Zirconium Complexes of Amine−Bis(phenolate) Ligands as Catalysts for 1-Hexene Polymerization: Peripheral Structural Parameters Strongly Affect Reactivity
TL;DR: In this paper, a family of chelating amine bis(phenolate) zirconium dibenzyl complexes were synthesized in quantitative yields from a versatile family of amine−bis((2-hydroxyaryl)methyl) precursors, their X-ray structures solved, and their reactivity in the polymerization of 1hexene in the presence of B(C6F5)3 studied.
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Auf der Suche nach einer neuen Generation von Katalysatoren zur Olefinpolymerisation: „Leben”︁ jenseits der Metallocene
TL;DR: In this paper, the Entdeckung einer Klasse hochaktiver Eisenkatalysatoren 1 was beleuchtet, angesichts der Tatsache, das Eisen auf diesem Gebiet bis dahin vollig bedeutungslos war.
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Life and Death of an Active Ethylene Polymerization Catalyst. Ligand Involvement in Catalyst Activation and Deactivation. Isolation and Characterization of Two Unprecedented Neutral and Anionic Vanadium(I) Alkyls
TL;DR: In this article, the pyridine ring ortho positi... was methylated with a stoichiometric amount of methyl alumoxane (PMAO) in toluene.
References
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Book
Frontier Orbitals and Organic Chemical Reactions
TL;DR: Molecular Orbitals and Frontier Orbitals.
Journal ArticleDOI
Scandium complex [{(.eta.5-C5Me4)Me2Si(.eta.1-NCMe3)}(PMe3)ScH]2: a unique example of a single-component .alpha.-olefin polymerization catalyst
TL;DR: The synthesis and structure of the title compound were described in this article, where the synthesis and the structure of a molecule of toluene per scandium in the monoclinic system, space group C2/c, was described.
Journal ArticleDOI
Polymerization of .alpha.-Olefins and Butadiene and Catalytic Cyclotrimerization of 1-Alkynes by a New Class of Group IV Catalysts. Control of Molecular Weight and Polymer Microstructure via Ligand Tuning in Sterically Hindered Chelating Phenoxide Titanium and Zirconium Species
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α-Agostic Interactions and Olefin Insertion in Metallocene Polymerization Catalysts
TL;DR: In the 40 years since the discovery of transition metal catalysts for olefin polymerization by Ziegler and Natta, a substantial amount of research has been directed toward understanding the basic mechanistic steps of this important industrial process.
Journal ArticleDOI
Synthesis and properties of some titanium and zirconium benzyl derivatives
TL;DR: In this article, the physical properties and reactivity of the precursors of Ti(CH 2 C 6 H 5 ) 4 (I), Zr(CH2 C 6H 5 ) (IX) and their halogen and alkoxy derivatives are described.