Diphosphine complexes of nickel(II) are efficient catalysts for the polymerization and oligomerization of ethylene: Steric activation and ligand backbone effects

被引：73

作者：

Dennett, JNL

Gillon, AL

Heslop, K

Hyett, DJ

Fleming, JS

Lloyd-Jones, CE

Orpen, AG

Pringle, PG

Wass, DF

Scutt, JN

Weatherhead, RH

机构：

[1] Univ Bristol, Sch Chem, Bristol, Avon, England

[2] BP Chem Ltd, Sunbury On Thames, Middx, England

来源：

ORGANOMETALLICS | 2004年 / 23卷 / 26期

关键词：

D O I：

10.1021/om0494014

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Nickel(II) complexes of ligands of the type Ar2PCH2PAr2 and 1,2-Ar2PC6H4PAr2 (Ar = ortho-substituted phenyl) are active catalysts for polymerization and oligomerization of ethylene.

引用

页码：6077 / 6079

页数：3

共 16 条

[1]

ALLEN FH, 1993, CHEM DESIGN AUTOMATI, V8, P1

[2] Complexes [(P-2)Rh(hfacac)] as model compounds for the fragment [(P-2)Rh] and as highly active catalysts for CO2 hydrogenation: The accessible molecular surface (AMS) model as an approach to quantifying the intrinsic steric properties of chelating ligands in homogeneous catalysis [J].

Angermund, K ;

Baumann, W ;

Dinjus, E ;

Fornika, R ;

Gorls, H ;

Kessler, M ;

Kruger, C ;

Leitner, W ;

Lutz, F .

CHEMISTRY-A EUROPEAN JOURNAL, 1997, 3 (05) :755-764

[3]

Britovsek GJP, 1999, ANGEW CHEM INT EDIT, V38, P428, DOI 10.1002/(SICI)1521-3773(19990215)38:4<428::AID-ANIE428>3.0.CO

[4]

2-3

[5]

BROOKHART M, Patent No. 9847934

[6] Nickel ethylene polymerization catalysts based on phosphorus ligands [J].

Cooley, NA ;

Green, SM ;

Wass, DF ;

Heslop, K ;

Orpen, AG ;

Pringle, PG .

ORGANOMETALLICS, 2001, 20 (23) :4769-4771

[7] The bite angle makes the difference: a practical ligand parameter for diphosphine ligands [J].

Dierkes, P ;

van Leeuwen, PWNM .

JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS, 1999, (10) :1519-1529

[8] Steric activation of chelate catalysts: efficient polyketone catalysts based on four-membered palladium(II) diphosphine chelates [J].

Dossett, SJ ;

Gillon, A ;

Orpen, AG ;

Fleming, JS ;

Pringle, PG ;

Wass, DF ;

Jones, MD .

CHEMICAL COMMUNICATIONS, 2001, (08) :699-700

[9] Nickel indenyl complexes as catalysts for the dimerization and polymerization of ethylene [J].

Dubois, MA ;

Wang, RP ;

Zargarian, D ;

Tian, J ;

Vollmerhaus, R ;

Li, ZM ;

Collins, S .

ORGANOMETALLICS, 2001, 20 (04) :663-666

[10] Synthesis of branched polyethylene using (α-diimine)nickel(II) catalysts:: Influence of temperature, ethylene pressure, and ligand structure on polymer properties [J].

Gates, DP ;

Svejda, SK ;

Oñate, E ;

Killian, CM ;

Johnson, LK ;

White, PS ;

Brookhart, M .

MACROMOLECULES, 2000, 33 (07) :2320-2334

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