VERFAHREN ZUR HERSTELLUNG VON ALKENYLAROMATEN

VERFAHREN ZUR HERSTELLUNG VON ALKENYLAROMATEN

Alkenylaromatics I I where R1 is C1-C6-alkyl, R2 is H or C1-C10-alkyl and Ar is aryl, are prepared by reacting a vinylaromatic II II with an alpha -olefin III H2C=CHR2 III in the presence of a nickel-containing catalyst system consisting of (a) a nickel(II) salt of a carboxylic acid, of an alcoholat...

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Bibliographische Detailangaben
Hauptverfasser: FISCHER,MARTIN,DR, SPERLING,KARIN,DR
Format: Patent
Sprache:ger
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
APPARATUS THEREFOR
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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Zusammenfassung:Alkenylaromatics I I where R1 is C1-C6-alkyl, R2 is H or C1-C10-alkyl and Ar is aryl, are prepared by reacting a vinylaromatic II II with an alpha -olefin III H2C=CHR2 III in the presence of a nickel-containing catalyst system consisting of (a) a nickel(II) salt of a carboxylic acid, of an alcoholate or of a phenolate, (b) a phosphite or phosphine and (c) an organoaluminum compound V V where R6 is C1-C12-alkyl, X is halogen and n is 1 or 2, or a mixture of compounds V.