WELL-DEFINED ETHYLENE POLYMERIZATION CATALYSTS DERIVED FROM BIS(IMIDO) CHROMIUM(VI) PRECURSORS

被引：94

作者：

COLES, MP

DALBY, CI

GIBSON, VC

CLEGG, W

ELSEGOOD, MRJ

机构：

[1] UNIV DURHAM,SCI LABS,DEPT CHEM,DURHAM DH1 3LE,ENGLAND

[2] UNIV NEWCASTLE UPON TYNE,DEPT CHEM,NEWCASTLE TYNE NE1 7RU,TYNE & WEAR,ENGLAND

来源：

JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS | 1995年 / 16期

关键词：

D O I：

10.1039/c39950001709

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Well-defined, cationic alkyl chromium polymerisation catalysts are generated upon treatment of the chromium(VI) dialkyl complexes Cr(NR)(2)(CH(2)R')2 (R = Bu(t), R' = Ph; R = 2,6-Pri(2)C(6)H(3), R' = Ph, H) with the berate salts [PhC][B(C6F5)4] or [PhNMe(2)H][B(C6F5)4].

引用

页码：1709 / 1711

页数：3

共 32 条

[1] PARAMAGNETIC (BENZYL)CHROMIUM COMPLEXES AS HOMOGENEOUS ETHYLENE POLYMERIZATION CATALYSTS [J].

BHANDARI, G ;

KIM, YY ;

MCFARLAND, JM ;

RHEINGOLD, AL ;

THEOPOLD, KH .

ORGANOMETALLICS, 1995, 14 (02) :738-745

[2] BASE-FREE CATIONIC 14-ELECTRON TITANIUM AND ZIRCONIUM ALKYLS - INSITU GENERATION, SOLUTION STRUCTURES, AND OLEFIN POLYMERIZATION ACTIVITY [J].

BOCHMANN, M ;

JAGGAR, AJ ;

NICHOLLS, JC .

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH, 1990, 29 (07) :780-782

[3] CATIONIC TITANIUM ALKYLS AS ALKENE POLYMERIZATION CATALYSTS - SOLVENT AND ANION DEPENDENCE [J].

BOCHMANN, M ;

JAGGAR, AJ .

JOURNAL OF ORGANOMETALLIC CHEMISTRY, 1992, 424 (02) :C5-C7

[4] BASE-FREE CATIONIC ZIRCONIUM BENZYL COMPLEXES AS HIGHLY-ACTIVE POLYMERIZATION CATALYSTS [J].

BOCHMANN, M ;

LANCASTER, SJ .

ORGANOMETALLICS, 1993, 12 (03) :633-640

[5] SYNTHESIS AND CHEMISTRY OF CP2ZR(PH)(THF)+ - SELECTIVITY OF PROTOLYTIC AND OXIDATIVE ZR-R BOND-CLEAVAGE REACTIONS [J].

BORKOWSKY, SL ;

JORDAN, RF ;

HINCH, GD .

ORGANOMETALLICS, 1991, 10 (05) :1268-1274

[6]

CLARK A, 1969, CATALY REV, V3, P145

[7] FASTER DATA-COLLECTION WITHOUT LOSS OF PRECISION - AN EXTENSION OF THE LEARNT PROFILE METHOD [J].

CLEGG, W .

ACTA CRYSTALLOGRAPHICA SECTION A, 1981, 37 (JAN) :22-28

[8] ETA-2-BENZYNE AND ETA-1-BENZYLIDENE COMPLEXES OF NIOBIUM WITH ANCILLARY IMIDO LIGANDS [J].

COCKCROFT, JK ;

GIBSON, VC ;

HOWARD, JAK ;

POOLE, AD ;

SIEMELING, U ;

WILSON, C .

JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS, 1992, (22) :1668-1670

[9] NEW HOMOGENEOUS ETHYLENE POLYMERIZATION CATALYSTS DERIVED FROM TRANSITION-METAL IMIDO PRECURSORS [J].

COLES, MP ;

GIBSON, VC .

POLYMER BULLETIN, 1994, 33 (05) :529-533

[10]

COLES MP, 1995, IN PRESS POLYHEDRON

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