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:
Apr. 12, 2011
Filed:
Apr. 10, 2007
Applicants:
Donald R. Gauthier, Westfield, NJ (US);
Richard Desmond, Lebanon, NJ (US);
Paul N. Devine, Tinton Falls, NJ (US);
Inventors:
Donald R. Gauthier, Westfield, NJ (US);
Richard Desmond, Lebanon, NJ (US);
Paul N. Devine, Tinton Falls, NJ (US);
Assignee:
NSAB, Filial AF Neurosearch Sweden AB, Sverige, Ballerup, DK;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 31/445 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention is directed to processes for the preparation of 4-(3-methanesulfonyl-phenyl)-1-N-propylpiperidine (I) or a pharmaceutically acceptable salt thereof, which comprises: oxidizing a sulfide of the formula (II): with a catalytic oxidizing agent and an oxidant; to give a compound of the formula (III): followed by catalytic reduction of the compound of formula (III).