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:
Oct. 18, 1983
Filed:
Feb. 03, 1982
Beecham Group p.l.c., , GB;
Abstract
The present invention provides a compound of the formula (I): ##STR1## or a pharmaceutically acceptable salt or in-vivo hydrolyzable ester thereof wherein R.sup.1 is a hydrogen atom, an .alpha.-sulphonato-oxyethyl group, an .alpha.-sulphonato-oxypropyl group or is a group CR.sup.3 R.sup.4 R.sup.5 wherein R.sup.3 is a hydrogen atom or a hydroxy group; R.sup.4 is a hydrogen atom or a C.sub.1-6 alkyl group; and R.sup.5 is a hydrogen atom or a C.sub.1-6 alkyl group, a benzyl group, a phenyl group or is joined to R.sup.4 to form together with the carbon atom to which they are joined a carbocyclic ring of 5 to 7 carbon atoms; R.sup.2 is a pyrimidinyl group substituted by one two or three groups selected from nitro, halo, amino or substituted amino, and in addition may be optionally substituted by one or two C.sub.1-6 alkyl groups as the degree of substitution permits; and x is zero or one. These compounds are antibacterial agents. Their preparation and use are described.