Hydrogenation of aromatic-substituted olefins using organoruthenium catalyst

Hydrogenation of aromatic-substituted olefins using organoruthenium catalyst

A process is disclosed for the enantioselective hydrogenation of olefins of the formula: (I) where R is hydrogen or C1 to C6 linear or branched alkyl, Z is where R' is hydrogen or C1 to C6 linear or branched alkyl, -CN, C(NH)OR'' where R'' is C1 to C6 linear or branched alky...

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Bibliographische Detailangaben
Hauptverfasser: RAMEZANIAN, MERRIKH
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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Beschreibung
Zusammenfassung:A process is disclosed for the enantioselective hydrogenation of olefins of the formula: (I) where R is hydrogen or C1 to C6 linear or branched alkyl, Z is where R' is hydrogen or C1 to C6 linear or branched alkyl, -CN, C(NH)OR'' where R'' is C1 to C6 linear or branched alkyl, or -C(O)NH2; and Ar is phenyl or naphthyl unsubstituted or substituted with benzoyl or substituted benzoyl, C1 to C6 linear or branched alkyl, C1 to C6 linear or branched alkoxy, halo, or carboxylic acid or C1 to C6 linear or branched alkyl ester thereof, which comprises contacting said aromatic-substituted olefin with a catalytically effective amount of a ruthenium phosphite complex.