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:
Nov. 04, 2014
Filed:
Jun. 07, 2011
Applicants:
Fabio Garavaglia, Cerano, IT;
Alessandro Barozza, Nosate, IT;
Jacopo Roletto, Turin, IT;
Paolo Paissoni, Druento, IT;
Inventors:
Fabio Garavaglia, Cerano, IT;
Alessandro Barozza, Nosate, IT;
Jacopo Roletto, Turin, IT;
Paolo Paissoni, Druento, IT;
Assignee:
Procos S.p.A., Cameri, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 213/73 (2006.01); A61K 31/44 (2006.01); C07D 213/74 (2006.01);
U.S. Cl.
CPC ...
C07D 213/74 (2013.01);
Abstract
A process for the preparation of Dalfampridine (1), 4-aminopyridine, starting from 4-pyridinecarbonitrile using a one-pot procedure. Said process is carried out with no need for isolating intermediates and is particularly advantageous as far as environment, yields, productivity and purity of the resulting product are concerned, both in the reaction mixture and in the isolated crystal.