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:
May. 03, 2005
Filed:
Mar. 15, 2001
Cyrill Zagar, Ludwigshafen, DE;
Robert Reinhard, Ludwigshafen, DE;
Michael Puhl, Lampertheim, DE;
Thorsten Volk, Mannheim, DE;
Norbert Götz, Worms, DE;
Gerhard Hamprecht, Weinheim, DE;
Olaf Menke, Altleiningen, DE;
Ingo Sagasser, Dannstadt-Schauernheim, DE;
Cyrill Zagar, Ludwigshafen, DE;
Robert Reinhard, Ludwigshafen, DE;
Michael Puhl, Lampertheim, DE;
Thorsten Volk, Mannheim, DE;
Norbert Götz, Worms, DE;
Gerhard Hamprecht, Weinheim, DE;
Olaf Menke, Altleiningen, DE;
Ingo Sagasser, Dannstadt-Schauernheim, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
A process for preparing 7-(pyrazol-3-yl)benzoxazoles of the formula Iin which the variables R-Rare as defined in claim, which process is characterized in that a 2-halo-3-(pyrazol-3-yl)anilide of the formula II,in which X is bromine or iodine is reacted with a base in the presence of a transition metal compound of subgroup VIIa, VIIIa or Ib of the Periodic Table of the Elements, is disclosed.