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. 15, 1991
Filed:
Jan. 30, 1990
Applicant:
Inventors:
Vincenzo Giobbio, Turin, IT;
Leonardo Ambrosini, Bergamo, IT;
Assignees:
Chementecno S.r.l., Milan, IT;
Irca Industrie Ricerche Chimiche d'Albano S.p.A., Bergamo, IT;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07H / ;
U.S. Cl.
CPC ...
536 138 ; 536 185 ; 536 137 ; 536124 ;
Abstract
Described is a process for preparing Amikacin wherein 1-N-(L(-).gamma.-benzyloxycarbonylamino-.alpha.-hyroxybutyryl)-3,6'-di-N-b enzyloxycarbonyl-Kanamycin A suspended in a suitable solvent, is treated with an aqueous solution of formic acid in the presence of a catalyst; the reaction mixture is charged on a ion exchange resin column to yield the desired product. Among the side-products Kanamycin A is obtained which is per se useful.