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:
Apr. 28, 1987
Filed:
Jan. 19, 1984
Peter H Milner, Horsham, GB;
Beecham Group p.l.c., , GB;
Abstract
A compound of formula (I) or a pharmaceutically acceptable salt or in vivo hydrolyzable ester thereof: ##STR1## R is phenyl, substituted phenyl, C.sub.3-6 cycloalkyl cyclohexenyl, cyclohexadienyl, or a 5- or 6-membered heterocyclic ring containing up to three hetero-atoms slected from oxygen, sulphur or nitrogen, optionally substituted with hydroxy, amino, halogen, substituted amino or C.sub.1-6 alkoxy; Q represents acetoxy, carbamoyloxy, heterocyclylthio group, or a nitrogen containing heterocyclic group bonded via nitrogen; R.sup.1 is hydrogen or a C.sub.1-6 alkyl group and R.sup.2 is an optionally substituted 5- or 6-membered heterocyclic group containing one or two heteroatoms; or R.sup.1 and R.sup.2 together with the nitrogen atom to which they are attached form an optionally substituted five- or six-membered heterocyclic group containing one or two nitrogen heteroatoms; a process for the preparation of such compounds and pharmaceutical compositions comprising them.