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:
Sep. 18, 1979
Filed:
Sep. 30, 1977
Barry E Ayres, Ickenham, GB;
Glaxo Laboratories Limited, Greenford, GB;
Abstract
Antibiotic compounds of the general formula ##STR1## [wherein R is a phenyl, thienyl or furyl group; R.sup.a and R.sup.b which may be the same or different, are each selected from hydrogen, C.sub.1-4 alkyl, C.sub.2-4 alkenyl, C.sub.3-7 cycloalkyl, phenyl, naphthyl, thienyl, furyl, carboxy, C.sub.2-5 alkoxycarbonyl and cyano, or R.sup.a and R.sup.b together with the carbon atom to which they are attached form a C.sub.3-7 cycloalkylidene or cycloalkenylidene group; m or n are each 0 or 1 such that the sum of m and n is 0 or 1; and R.sup.1 together with the nitrogen atom to which it is attached form a saturated or partially saturated 4-10 membered heterocyclic ring which may contain one or more further heteroatoms selected from 0,N and S and which may be substituted by a lower alkyl, lower alkoxy, lower acyloxy, lower alkoxycarbonyl, hydroxy, carboxy, amino, acylamino, substituted or unsubstituted carbamoyl or aryl group, or such a heterocyclic ring fused with a benzene ring] and non-toxic derivatives thereof, the compounds being syn isomers or existing as mixtures of syn and anti isomers.