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:
Mar. 04, 2014
Filed:
Jun. 25, 2010
Applicants:
Reiner Fischer, Monheim, DE;
Thomas Himmler, Odenthal, DE;
Wolfgang Joerges, Odenthal, DE;
Werner Lindner, Cologne, DE;
Wahed Ahmed Moradi, Monheim, DE;
Inventors:
Reiner Fischer, Monheim, DE;
Thomas Himmler, Odenthal, DE;
Wolfgang Joerges, Odenthal, DE;
Werner Lindner, Cologne, DE;
Wahed Ahmed Moradi, Monheim, DE;
Assignee:
Bayer CropScience AG, Monheim, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C 67/343 (2006.01); C07C 67/317 (2006.01); C07C 67/327 (2006.01); C07C 67/307 (2006.01); C07C 69/612 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a novel process for preparing substituted and unsubstituted (2,4-dimethylbiphenyl-3-yl)acetic acids and their esters of the formula (I) using homogeneous and heterogeneous palladium catalysts, and also the intermediates 4-tert-butyl-2,6-dimethylphenylacetic acid and 4-tert-butyl-2,6-dimethylmandelic acid, and to processes for their preparation.