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:
Oct. 04, 2011
Filed:
Mar. 17, 2010
Applicants:
Sebastian Peer Smidt, Mannheim, DE;
Jochen Dietz, Mannheim, DE;
Michael Keil, Freinsheim, DE;
Thomas Grote, Wachenheim, DE;
Inventors:
Sebastian Peer Smidt, Mannheim, DE;
Jochen Dietz, Mannheim, DE;
Michael Keil, Freinsheim, DE;
Thomas Grote, Wachenheim, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 205/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for preparing substituted biphenyls of the formula I in which the substituents are defined as follows: in which Hal is halogen and X and Rare as defined above, in the presence of a base and of a palladium catalyst selected from the group of:3 in which Rand n are as defined above, where the triarylphosphines or trialkylphosphines used may be substituted.