SUPPORTED CATALYSTS WITH A DONOR-ACCEPTOR INTERACTION

The present invention relates to compounds in which a transition metal is complexed with two ligand systems and the two systems are reversibly connected to one another by at least one bridge consisting of a donor and an acceptor. The resultant co-ordination bond between the donor atom and the accept...

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Bibliographische Detailangaben
1. Verfasser:	OSTOJA-STARZEWSKI, KARL-HEINZ ALEKSANDER
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	The present invention relates to compounds in which a transition metal is complexed with two ligand systems and the two systems are reversibly connected to one another by at least one bridge consisting of a donor and an acceptor. The resultant co-ordination bond between the donor atom and the acceptor atom produces a positive (partial) charge in the donor group and a negative (partial)charge in the acceptor group: .DELTA.+ .DELTA.¢Donor group ~ Acceptor group! The invention also relates to the use of these supported catalysts with a donor-acceptor interaction as polymerization catalysts.