New thermally stable cationic eta3-allyl(1,4-diphospha-(1,3)-butadiene)nickel complexes for ethylene polymerization.
Nickel ethylene polymerization catalysts 1a,b bearing a P,P-ligand with two sp2-hybridized phosphorus atoms have been synthesized; their structure and polymerization studies have been reported for the first time.
Ionkin
Alex
A
DuPont Central Research & Development, Experimental Station, Wilmington, DE 19880-0328, USA. alex.s.ionkin@usa.dupont.com
Marshall
William
W