Unsymmetrical, silicon-bridged cyclopentadienyl-type ligands

The prodn. of unsymmetrical Si-bridged cyclopentadienyl, indenyl or fluorenyl ligand systems (I) comprises: (a) reacting cpds. of formula (VII) with opt. substd. cyclopentadienides, indenides or fluorenides. X = halo; R , R = 1-20C alkyl or fluoroalkyl, 6-14C aryl, 7-20C aralkyl or alkaryl, 6-10C ha...

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Bibliographische Detailangaben
Hauptverfasser:	NEISL, WOLFGANG. DR., LICHTENBERG, AT, FLEISCHANDERL, ROBERT, SCHWAZ, AT, ERNST, EBERHARD.NAT.HABIL., KATSDORF, AT, DENIFL, PETER, GRIES, AT, BILDSTEIN, BENNO., INNSBRUCK, AT
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	The prodn. of unsymmetrical Si-bridged cyclopentadienyl, indenyl or fluorenyl ligand systems (I) comprises: (a) reacting cpds. of formula (VII) with opt. substd. cyclopentadienides, indenides or fluorenides. X = halo; R , R = 1-20C alkyl or fluoroalkyl, 6-14C aryl, 7-20C aralkyl or alkaryl, 6-10C haloaryl or 2-10C alkynyl; R = 1-10C alkyl; (b) replacing the alkoxy gp. with halogen; and (c) reacting the prod. from (b) with opt. substd. cyclopentadienides, indenides or fluorenides other than those used in (a).