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Large‐ring P/O chelate nickel complex catalyzed oligomerization of ethylene to linear α‐olefins
Author(s) -
Luo HeKuan,
Li DaGang
Publication year - 2000
Publication title -
applied organometallic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.53
H-Index - 71
eISSN - 1099-0739
pISSN - 0268-2605
DOI - 10.1002/1099-0739(200007)14:7<389::aid-aoc996>3.0.co;2-t
Subject(s) - chemistry , chelation , nickel , ethylene , ring (chemistry) , catalysis , intramolecular force , ring size , polymer chemistry , stereochemistry , medicinal chemistry , organic chemistry
1,1‐(Bicyclononyl‐9‐phosphino)hendecanoic acid and potassium 1,1‐(biscyclohexylphosphino)hendecylate were synthesized. A model nickel complex [η 3 −C 8 H 13 ]Ni[(C 8 H 14 )P(CH 2 ) 10 COO] containing a 14‐membered chelate ring was also synthesized. The catalytic activity of this large chelate ring nickel complex for the oligomerization of ethylene was studied and compared with that of six‐membered ring chelate nickel complexes. The influence of the chelate ring was rationalized in terms of intramolecular rotation. The 14‐membered ring P/O chelate nickel complex was shown to have efficient catalytic activity for the oligomerization of ethylene to α‐olefins. Copyright © 2000 John Wiley & Sons, Ltd.