The nature of the active species in bis(imino) pyridyl cobalt ethylene polymerisation catalysts

被引:147
作者
Gibson, VC [1 ]
Humphries, MJ [1 ]
Tellmann, KP [1 ]
Wass, DF [1 ]
White, AJP [1 ]
Williams, DJ [1 ]
机构
[1] Univ London Imperial Coll Sci Technol & Med, Dept Chem, London SW7 2AY, England
关键词
D O I
10.1039/b107490c
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Studies on cobalt ethylene polymerisation catalysts bearing bis(imino) pyridine ligands strongly indicate that the activated species is not the anticipated cobalt(II) alkyl cation.
引用
收藏
页码:2252 / 2253
页数:2
相关论文
共 17 条
[1]  
BELY ST, 1989, ORGANOMETALLICS, V8, P748
[2]   Novel olefin polymerization catalysts based on iron and cobalt [J].
Britovsek, GJP ;
Gibson, VC ;
Kimberley, BS ;
Maddox, PJ ;
McTavish, SJ ;
Solan, GA ;
White, AJP ;
Williams, DJ .
CHEMICAL COMMUNICATIONS, 1998, (07) :849-850
[3]  
Britovsek GJP, 2000, CHEM-EUR J, V6, P2221, DOI 10.1002/1521-3765(20000616)6:12<2221::AID-CHEM2221>3.0.CO
[4]  
2-U
[5]   Iron and cobalt ethylene polymerization catalysts bearing 2,6-bis(imino)pyridyl ligands:: Synthesis, structures, and polymerization studies [J].
Britovsek, GJP ;
Bruce, M ;
Gibson, VC ;
Kimberley, BS ;
Maddox, PJ ;
Mastroianni, S ;
McTavish, SJ ;
Redshaw, C ;
Solan, GA ;
Strömberg, S ;
White, AJP ;
Williams, DJ .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1999, 121 (38) :8728-8740
[6]   Homogeneous single-component betaine Ziegler-Natta catalysts derived from (butadiene)zirconocene precursors [J].
Erker, G .
ACCOUNTS OF CHEMICAL RESEARCH, 2001, 34 (04) :309-317
[7]   A HYDRIDOVINYLIRIDIUM COMPLEX MORE STABLE THAN ITS ETA-2-ETHYLENE ISOMER [J].
GHOSH, CK ;
HOYANO, JK ;
KRENTZ, R ;
GRAHAM, WAG .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1989, 111 (14) :5480-5481
[8]   Vinylic C-H bond activation and hydrogenation reactions of Tp′Ir(C2H4)(L) complexes [J].
Gutierrez-Puebla, E ;
Monge, A ;
Nicasio, MC ;
Perez, PJ ;
Poveda, ML ;
Rey, L ;
Ruiz, C ;
Carmona, E .
INORGANIC CHEMISTRY, 1998, 37 (18) :4538-4546
[9]   Cobalt(II) imino pyridine assisted ethylene polymerization: A quantum-mechanical/molecular-mechanical density functional theory investigation [J].
Margl, P ;
Deng, LQ ;
Ziegler, T .
ORGANOMETALLICS, 1999, 18 (26) :5701-5708
[10]   SUPPORTED CHROMIUM CATALYSTS FOR ETHYLENE POLYMERIZATION [J].
MCDANIEL, MP .
ADVANCES IN CATALYSIS, 1985, 33 :47-98