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. 08, 1980
Filed:
Aug. 07, 1978
Applicant:
Inventors:
Yung B Chae, Seoul, KR;
Dae W Kim, Seoul, KR;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
560142 ; 260390 ; 2604 / ; 26050111 ; 560 20 ; 560 30 ; 560 32 ; 560 33 ; 562430 ; 562434 ; 562444 ; 562449 ; 562450 ; 562451 ;
Abstract
The present application relates to the optical resolution into optical antipodes of compounds of the formula ##STR1## as well as to salts consisting of an optical isomer of a compound of the above formula and an optical isomer of 2-aminobutanol. The optically active compounds of the above formula are employed as starting materials for the production of semisynthetic antibiotics of the cephalosporin or penicillin type.