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US 2003/0114707 A1Published application
Arylation of olefins
AssigneeBayer Aktiengesellschaft
InventorsFlorian Rampf, Markus Eckert
Life of this patent
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Abstract
The present invention relates to a process for the arylation of olefins by reaction of haloaromatics or arylsulfonates with olefins in the presence of a palladium catalyst, a bulky nitrogen base and a dipolar aprotic solvent.
Claims16
Process for preparing arylolefins, comprising reacting
- aromatic compounds of the general formula (I),
- Ar—[X]n (I),
- where
- n is one or two and
- Ar is a substituted or unsubstituted aromatic radical and
- X are each, independently of one another, chlorine, bromine, iodine or a sulphonate,
- with olefins which bear at least one hydrogen atom on the double bond
- in the presence of a palladium catalyst,
- at least one bulky nitrogen base and
- in the presence of a dipolar aprotic solvent.
7 more elements
Dependencies are inferred from the claim text.