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. 27, 2012
Filed:
Jun. 29, 2007
Franco Ghelfi, Modena, IT;
Livius Cotarca, Cervignano del Friuli, IT;
Fabrizio Roncaglia, Modena, IT;
Roberto Giovanetti, Schio, IT;
Andrea Nicoli, Vicenza, IT;
Franco Ghelfi, Modena, IT;
Livius Cotarca, Cervignano del Friuli, IT;
Fabrizio Roncaglia, Modena, IT;
Roberto Giovanetti, Schio, IT;
Andrea Nicoli, Vicenza, IT;
ZaCh System S.p.A., Bresso, IT;
Abstract
A process for preparing gabapentin of formula 1, which comprises Formula (I) converting 1-allyl-cyclohexanecarboxaldehyde into 1-allyl-cyclohexanecarbonitrile; ozonizing 1-allyl-cyclohexanecarbonitrile to obtain 1-cyano-cyclohexaneacetaldehyde; acetalizing 1-cyano-cyclohexaneacetaldehyde with a suitable acetalizing agent to give the corresponding acetal and converting the latter into gabapentin.