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:
May. 19, 2009
Filed:
Mar. 19, 2004
Giorgio Bertolini, Sesto San Giovanni, IT;
Maurizio Deleo, Milan, IT;
Marco Frigerio, Milan, IT;
Massimo Losa, Pogliano Milanese, IT;
Maurizio Velati, Mezzana Rabattone, IT;
Giorgio Bertolini, Sesto San Giovanni, IT;
Maurizio Deleo, Milan, IT;
Marco Frigerio, Milan, IT;
Massimo Losa, Pogliano Milanese, IT;
Maurizio Velati, Mezzana Rabattone, IT;
Archimica S.r.l., Milan, IT;
Abstract
A process is disclosed for the stereo-selective preparation of emtricitabine, which allows the desired product to be obtained in good yield and without the use of chromatographic techniques. The process for the production of emtricitabine of the formula (Ia) is characterized by the formation and isolation of intermediate compounds of formula (XIa) in salified form. Emtricitabine is a known antiviral drug.