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Ethylene Oligomerization at Coordinatively and Electronically Unsaturated Low‐Valent Nickel
Author(s) -
Weng Zhiqiang,
Teo Shihui,
Koh Lip Lin,
Hor T. S. Andy
Publication year - 2005
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200502532
Subject(s) - nickel , ethylene , chelation , denticity , chemistry , ligand (biochemistry) , stereochemistry , polymer chemistry , photochemistry , crystallography , catalysis , inorganic chemistry , crystal structure , organic chemistry , biochemistry , receptor
Three modes : An iminoferrocenylphosphane ligand stabilizes low‐coordinate and low‐valent nickel in [{[η‐C 5 H 4 CHN(C 6 H 5 )]Fe[η‐C 5 H 4 P( t Bu) 2 ]‐ N , P }Ni I Cl] (see figure) and similar complexes. The coordination environment is hemilabile as exemplified by three different coordination modes: P,N(σ)‐chelate, P,CN(π)‐chelate, and P unidentate. These complexes are catalytically active towards ethylene oligomerization.
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