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:
Feb. 09, 2021
Filed:
May. 15, 2018
Applicant:
F.i.s. - Fabbrica Italiana Sintetici S.p.a., Montecchio Maggiore, IT;
Inventors:
Ottorino De Lucchi, Padua, IT;
Pierluigi Padovan, Montecchio Maggiore, IT;
Elena Brasola, Saccolongo Padova, IT;
Assignee:
F.I.S.—FABBRICA ITALIANA SINTETICI S.P.A., Montecchio Maggiore, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 487/04 (2006.01); B01J 27/08 (2006.01);
U.S. Cl.
CPC ...
C07D 487/04 (2013.01); B01J 27/08 (2013.01);
Abstract
Object of the present invention is an efficient process for the preparation of the active pharmaceutical ingredient Sitagliptine and the 2,4,5-trifluorophenylacetic acid (TFAA) and salt thereof, which is a key intermediate for the synthesis of Sitagliptine.