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. 17, 1984
Filed:
Mar. 01, 1982
Applicant:
Inventor:
John H Nayler, Dorking, GB;
Assignee:
Beecham Group P.L.C., , GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
424246 ; 544 16 ; 544 22 ; 544 23 ;
Abstract
The present invention provides a compound of the formula (I): ##STR1## and pharmaceutically acceptable salts and in-vivo hydrolysable esters thereof wherein R.sup.1 is carboxy, R.sup.2 is hydrogen or carboxy, R.sup.3 is hydrogen, acyl, C.sub.1-6 akyl or C.sub.2-6 alkenyl, any of such R.sup.3 groups being optionally substituted, and R.sup.4 is an amino or protected amino group. Processes for the preparation of these compounds are described as is their use in the treatment of bacterial infection.