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:
Dec. 02, 2008
Filed:
Oct. 27, 2005
Applicant:
Paul Spurr, Riehen, CH;
Inventor:
Paul Spurr, Riehen, CH;
Assignee:
Hoffmann-La Roche Inc., Nutley, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
C07D 213/46 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for the manufacture of compounds of formula Ia or Ib and pharmaceutically acceptable additional salts thereof, wherein R is lower alkyl. The compounds of formula Ia or Ib are valuable intermediate products for the manufacture of compounds that are pharmaceutically active as adenosine A2a receptor antagonist or metabotropic Glutamate receptor 2 antagonist. Such compounds are important in the regulation of many aspects of cellular metabolism and in the modulation of different central nervous system activities.