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Isolation of a Self‐Activating Ethylene Trimerization Catalyst
Author(s) -
Vidyaratne Indu,
Nikiforov Grigory B.,
Gorelsky Serge I.,
Gambarotta Sandro,
Duchateau Robbert,
Korobkov Ilia
Publication year - 2009
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.200900957
Subject(s) - ethylene , catalysis , polymerization , chromium , polymer chemistry , chemistry , polymer , organic chemistry
Self‐help groups : The aluminatopyrrolyl complexes [{η 5 ‐2,3,4,5‐Me 4 C 4 N(AlClMe 2 )} 2 Cr] and [{η 5 ‐2,3,4,5‐Me 4 C 4 N(AlClMe 2 )CrMe(μ‐NPh) 2 AlMe 2 }{Me 3 Al(thf)}] self‐activate to give single‐site ethylene polymerization catalysts. The closely related dinuclear chromium(II) complex [{η 5 ‐2,3,4,5‐Me 4 C 4 N(AlClMe 2 )Cr} 2 (μ‐Me) 2 ] (see picture) is a highly active self‐activating ethylene trimerization catalyst.