Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Paul N. Devine0
Richard Desmond0
Donald R. Gauthier0
Date of Patent
April 12, 2011
0Patent Application Number
117335120
Date Filed
April 10, 2007
0Patent Primary Examiner
Patent 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).
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