The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 10, 2010
Filed:
Mar. 02, 2006
Applicants:
Stefan Engel, Nieder-Olm, DE;
Tanja Oberding, Piquete-SP-Brasil, BR;
Inventors:
Stefan Engel, Nieder-Olm, DE;
Tanja Oberding, Piquete-SP-Brasil, BR;
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 205/06 (2006.01); C07C 211/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for preparing substituted biphenyls in which in the presence of a base and of a palladium catalyst selected from the group of: a) palladium-triarylphosphine or -trialkylphosphine complex with palladium in the zero oxidation state, b) salt of palladium in the presence of triarylphospine or trialkylphosphine as a complex ligand or c) metallic palladium applied to support if appropriate,in the presence of triarylphosphine or trialkylphosphine, in a solvent, with a diphenylborinic acid (III)