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:
Jul. 20, 1976
Filed:
Jun. 03, 1974
Applicant:
Inventor:
Leslie Alan Freiberg, Waukegan, IL (US);
Assignee:
Abbott Laboratories, North Chicago, IL (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07H / ;
U.S. Cl.
CPC ...
536 17 ; 424180 ;
Abstract
Covers the process for the conversion of niddamycin to known compounds such as carbomycin B, leucomycin A.sub.1 and A.sub.3, and other antibiotic compounds as well as novel 3-(O)-esters 3-(0)-esters and dimethyl acetal derivatives not obtained from natural sources. These compounds are represented by the general formula: ##SPC1## Wherein R is hydroxy or oxygen, R.sub.1 is hydrogen, HCO (formyl), CH.sub.3 CO (acetyl), CH.sub.3 CH.sub.2 CO (propionyl) or CH.sub.3 CH.sub.2 CH.sub.2 CO (butyryl); wherein R.sub.2 is hydrogen or equivalent to R.sub.1 and R.sub.3 is CHO or CH(OCH.sub.3).sub.2. These compounds are useful antimicrobial agents.