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:
Aug. 08, 2006
Filed:
Dec. 22, 2003
Applicant:
Paul Spurr, Riehen, CH;
Inventor:
Paul Spurr, Riehen, CH;
Assignee:
Hoffmann-La Roche Inc., Nutley, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
C07D 277/82 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for preparation of amino substituted benzothiazole derivatives of formula I wherein with sulphoxide/HBr/solvent to give the desired products of formula I for R is hydrogen (formula IA) or for R is —C(O)R' (formula IB)