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. 17, 2015
Filed:
Oct. 07, 2011
Method for the preparation of (3s, 3s') 4,4′-disulfanediylbis (3-aminobutane 1-sulfonic acid)
Applicants:
Fabrice Balavoine, Paris, FR;
Jonathan Madec, Chatou, FR;
Jean-marie Schneider, Magnanville, FR;
Gérard Coquerel, Boos, FR;
Nicolas Couvrat, Rouen, FR;
Yohann Cartigny, Bois Guillaume, FR;
Marie-noëlle Petit, Mont Saint-Aignan, FR;
Inventors:
Fabrice Balavoine, Paris, FR;
Jonathan Madec, Chatou, FR;
Jean-Marie Schneider, Magnanville, FR;
Gérard Coquerel, Boos, FR;
Nicolas Couvrat, Rouen, FR;
Yohann Cartigny, Bois Guillaume, FR;
Marie-Noëlle Petit, Mont Saint-Aignan, FR;
Assignee:
QUANTUM GENOMICS, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 319/24 (2006.01); C07C 303/22 (2006.01); C07C 323/66 (2006.01);
U.S. Cl.
CPC ...
C07C 319/24 (2013.01); C07C 303/22 (2013.01); C07C 323/66 (2013.01);
Abstract
The present invention relates to a new method for the preparation of (3S,3S') 4,4′-disulfanediylbis(3-aminobutane 1-sulfonic acid) in five steps from (S)-ethyl 2-(benzyloxycarbonylamino)-4-(neopentyloxysulfonyl)butanoate A.