Trihydrocarbyl silyl-substituted alkyl diaryl phosphine cobalt iridium and ruthenium complexes and their use as homogeneous catalysts

Homogenous trihydrocarbyl silyl- substituted alkyl diaryl phosphine transition metal complex catalysts of the general formula: [(Ar2PQ)ySiR4-y]g(MXn)s wherein Ar is a C6 to C10 aromatic hydrocarbyl radical, Q is a C1 to C30 saturated straight chain divalent radical, R is a C1 to C10 hydrocarbyl, whe...

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Hauptverfasser:	I-DER HUANG, ANDREW ARKADIJ WESTNER, ALEXIS ALEXANDER OSWALD, TORRIS GRAHN JERMANSEN
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Zusammenfassung:	Homogenous trihydrocarbyl silyl- substituted alkyl diaryl phosphine transition metal complex catalysts of the general formula: [(Ar2PQ)ySiR4-y]g(MXn)s wherein Ar is a C6 to C10 aromatic hydrocarbyl radical, Q is a C1 to C30 saturated straight chain divalent radical, R is a C1 to C10 hydrocarbyl, wherein Ar, Q and R can be substituted or unsubstituted, y is 1 to 4, g times y is 1 to 6, M is a transition metal selected from Co, Ir, Ru, and X is an anion or organic ligand excluding halogen satisfying the valence and coordination sites of the metal, n is 2 to 6 and s is 1 to 3, exhibit high thermal stability and are especially useful catalysts for the selective hydroformylation of olefins, particularly in the presence of excess quantities of ligand of the formula: (Ar2PQ)ySiR4-y wherein Ar, Q, R and y are as previously defined.