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:
Jan. 10, 2006
Filed:
Nov. 20, 2003
Applicants:
Piero Melloni, Bresso, IT;
Alberto Cerri, Gessate, IT;
Marco Santagostino, Magenta, IT;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 307/34 (2006.01); C07C 229/00 (2006.01); C07C 55/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An inner salt of L-carnitine is prepared by reduction, with a suitable reducing agent, of a compound of formula (I):where Xand X, which may be the same or different, are hydroxy, C–Calkoxy, phenoxy, halogen, or Xand X, when taken together are an oxygen atom and the resulting compound is a derivative of succinic anhydride; Y is halogen, a mesyloxy or a tosyloxy group, and subsequent treatment with water, then with a base and then with trimethylamine.