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:
Jul. 15, 2014
Filed:
Dec. 11, 2012
Applicant:
Gruenenthal Gmbh, Aachen, DE;
Inventors:
Assignee:
Gruenenthal GmbH, Aachen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 491/107 (2006.01); A61K 31/407 (2006.01);
U.S. Cl.
CPC ...
C07D 491/107 (2013.01); A61K 31/407 (2013.01);
Abstract
A process for the preparation of (1r,4r)-6'-fluoro-N,N-dimethyl-4-phenyl-4′,9′-dihydro-3′H-spiro[cyclohexane-1,1′-pyrano[3,4b]indol]-4-amine and (1r,4r)-6′-fluoro-N-methyl-4-phenyl-4′,9′-dihydro-3′H-spiro[cyclohexane-1,1′-pyrano[3,4b]-indol]-4-amine or physiologically acceptable acid addition salts thereof.