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:
Sep. 04, 2012
Filed:
Apr. 29, 2011
Applicants:
Raffaella Volpicelli, Vicenza, IT;
Paolo Maragni, Virgilio, IT;
Livius Cotarca, Cervignano del Friuli, IT;
Johnny Foletto, Arcole, IT;
Franco Massaccesi, Lonigo, IT;
Inventors:
Raffaella Volpicelli, Vicenza, IT;
Paolo Maragni, Virgilio, IT;
Livius Cotarca, Cervignano del Friuli, IT;
Johnny Foletto, Arcole, IT;
Franco Massaccesi, Lonigo, IT;
Assignee:
Zach System S.p.A., Bresso, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 311/20 (2006.01); C07D 311/58 (2006.01); C07D 407/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for preparing nebivolol and, more particularly, to a process for preparing d-nebivolol and its enantiomer l-nebivolol or acid addition salts thereof starting from commercially available or easily obtainable 2,2-dimethyl-1,3 dioxolane-4-carbaldehyde and a vinyl Grignard reagent.