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. 14, 2006
Filed:
Apr. 12, 2000
Applicant:
Margarete Schneider, Ingelheim, DE;
Inventor:
Margarete Schneider, Ingelheim, DE;
Assignee:
Boehringer Ingelheim Pharma KG, Ingelheim, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 205/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for the highly regioselective aromatic nitration of alkyl 4-alkanoylamino-3-alkyl-benzoates in the 5-position in a mixture containing nitric acid and the use of the resulting products for preparing, in particular, pharmaceutically active benzimidazole derivatives.