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. 05, 2004
Filed:
Sep. 03, 2002
Applicant:
Inventors:
Thierry Schlama, Dardilly, FR;
Jean-Christophe Bigouraux, Dargoire, FR;
Assignee:
Rhodia Chimie, Boulogne Billancourt Cedex, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
C07C / ; C07C / ;
Abstract
The present invention concerns a process for preparing a polyaromatic compound comprising a concatenation of two aromatic cycles and carrying at least one amino group on one of the aromatic cycles. The process of the invention is characterized in that it consists of reacting an aromatic compound carrying at least one amino group and a leaving group with an arylboronic acid in an aqueous medium and in the presence of a palladium catalyst.