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. 22, 2011
Filed:
Aug. 30, 2005
Gottfried Sedelmeier, Schallstadt, DE;
Stuart John Mickel, Lausen, CH;
Heinrich Rueeger, Flueh, CH;
Novartis AG, Basel, CH;
Abstract
The present invention relates to synthetic routes to prepare a compound of the formula wherein Ris halogen, Chalogenalkyl, Calkoxy-Calkyloxy or Calkoxy-Calkyl; Ris halogen, Calkyl or Calkoxy; Rand Rare independently branched Calkyl; and Ris cycloalkyl, Calkyl, Chydroxyalkyl, Calkoxy-Calkyl, Calkanoyloxy-Calkyl, Caminoalkyl, Calkylamino-Calkyl, Cdialkylamino-Calkyl, Calkanoylamino-Calkyl, HO(O)C—Calkyl, Calkyl-O—(O)C—Calkyl, HN—C(O)—Calkyl, Calkyl-HN—C(O)—Calkyl or (Calkyl)N—C(O)—Calkyl; or a pharmaceutically acceptable salt thereof as well as key intermediates obtained when following these routes as well as their preparation.