Homogeneous single-component betaine Ziegler-Natta catalysts derived from (butadiene)zirconocene precursors

Accounts of Chemical Research

Volumn 34, Issue 4, 2001, Pages 309-317

  Erker, G ^a  

^a UNIVERSITY OF MÜNSTER   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

1,3 BUTADIENE; ALKADIENE; ALKENE; BETAINE; BORIC ACID; CARBON; ZIRCONOCENE;

ARTICLE; CATALYSIS; CATALYST; ENERGY; GEOMETRY; POLYMERIZATION; STEREOCHEMISTRY; STOICHIOMETRY;

BETAINE; BUTADIENES; CATALYSIS; MOLECULAR STRUCTURE;

EID: 0034860921     PISSN: 00014842     EISSN: None     Source Type: Journal    
DOI: 10.1021/ar9800183     Document Type: Article

References (58)

1. Stereospezifische olefinpolymerisation mit chiralen metallocenkatalysatoren
2. Chemistry of cationic dicyclopentadienyl group 4 metal-alkyl complexes
3. Darstellung, struktur und olefinpolymerisationsaktivität basenfreier kationischer 14-elektronen-alkyltitan- und -zirconiumkomplexe
4. Perfluorophenyl derivatives of the elements. I. Tris(pentafluorophenyl)boron
5. Cationic zirconocene olefin polymerization catalysts based on the organo-lewis acid tris-(pentafluorophenyl)borane. A Synthetic, structural, solution dynamic, and polymerization catalytic study
6. Isospecific polymerization of propylene catalyzed by rac-ethylenebis(indenyl)methylzirconium "cation"
7. Ziegler-Natta catalysis
8. Reaktion von (butadien)zirconocen mit tris(pentafluorphenyl)boran-ein neuer weg zur herstellung alumoxan-freier metallocen-ziegler-katalysatoren
9. Unique chemical behavior and bonding of early-transition-metal-diene complexes
10. 4-conjugated diene)-zirconocene and -hafnocene complexes
11. Ionic, base-free zirconocene catalysts for ethylene polymerization
12. Zirconium and hafnium diene and dienyl half-sandwich complexes: Synthesis, polymerization catalysis and deactivation pathways
13. 3
14. tBu)Ti(1,3-pentadiene)
15. Pentafluorophenylboranes: From obscurity to applications
16. Zwitterionic metallocenes
17. 4-dien)-zirconocen-komplexe
18. Reaktionsverhalten und struktur von (s-cis-1,3-dien)zirconocen-komplexen
19. 1H NMR and electronic spectra
20. Extended Hückel calculations related to the chemistry of titanocene
21. n complexes
22. 1H-NMR-spektroskopische untersuchungen an zirkon- und hafniumallylen
23. 3 betaine Ziegler catalyst systems
24. 3]betaines
25. 2: A unique example of a single-component α-olefin polymerization catalyst
26. Group 4 ansa-cyclopentadienyl-amido catalysts for olefin polymerization
27. 7))
28. Constrained-geometry titanium(II) diene complexes. Structural diversity and olefin polymerization activity
29. Unique bonding and geometry in η-cyclopentadienyltantalum-diene complexes. Preparation, X-ray structural analyses, and EHMO calculations
30. 3, a first example of a stable unbridged homogeneous metallocene-betaine Ziegler catalyst system
31. Reaction of a zirconocene(butadiene)borate-betaine single-component Ziegler catalyst with trimethylphosphane
32. Studies on ansa-zirconocene-butadiene derivatives
33. 3 addition product
34. 3 metallocene-boron-betaine Ziegler catalyst system
35. 3-betaine Ziegler catalyst system with reactive alkynes
36. + adducts: A model for the insertion mechanism in Ziegler-Natta polymerization
37. + complexes
38. +
39. 2
40. Intramolecular coordination of an alkene to a mixed dicyclopentadienyl benzyl zirconium cation studied by NMR spectroscopy
41. Direct experimental observation of the stereochemistry of the first propene insertion step at an active homogeneous single component metallocene Ziegler catalyst
42. Steric control in Ziegler-Natta catalysts: An analysis of nonbonded interactions at model catalytic sites
43. Steric control in the first step of the isospecific Ziegler-Natta polymerization of propene
44. 13C NMR analysis of ehtyl chain-end groups: A method for active site investigation in Ziegler-Natta catalysis
45. 13C-enriched end groups of isotactic polypropylene and poly(1-butene) prepared in the presence of ethylenediindenyldimethyltitanium and methylalumoxane
46. New NMR spectroscopic probe of the absolute stereoselectivity for metal-hydride and metal-alkyl additions to the carbon-carbon double bond. Demonstration with a single-component, isospecific Ziegler-Natta α-olefin polymerization catalyst
47. Stereochemistry of first monomer insertion into metal-methyl bond: A tool for evaluating ligand-monomer interactions in propene polymerization with metallocene catalysts
48. 0fn transition metals. 1. Precursor compounds and olefin uptake energetics
49. +-catalyzed propylene polymerization reactions and a comparison with ethylene polymerization
50. Arriving at an experimental estimate of the intrinsic activation barrier of olefin insertion into the Zr-C bond of an active metallocene Ziegler catalyst
51. Experimental characterization of the alkene-addition/-insertion energy profile at homogeneous group 4 metal Ziegler-type catalysts
52. 3: The molecular structure of a π- and σ-dynamic allyl transition metal complex
53. The coordination chemistry of the CF units in fluorocarbons
54. 0 zirconium-alkyl-alkene chelates: Models for intermediates in metallocene-catalyzed alkene polymerizations
55. 2 - A new organometallic lewis acid for the generation of group 4 metallocene cation complexes