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:
Aug. 19, 1986
Filed:
Apr. 25, 1983
David J Le Count, Congleton, GB;
Robert J Pearce, Wilmslow, GB;
Imperial Chemical Industries PLC, London, GB;
Abstract
Compounds of the formula: ##STR1## wherein A stands for the radical --(CH.sub.2).sub.2 -- which may optionally be substituted by one or two (1-2C)alkyl radicals; Q stands for an oxygen or sulphur atom; R.degree. stands for a (1-4C)alkyl, (1-4C)alkoxy or cyclopropyl radical; R.sup.1 stands for a defined (3-4C)alkyl radical, a phenyl radical which may optionally bear a defined substituent, or a defined heteroaryl radical of 5 or 6 ring atoms; and R.sup.2 and R.sup.3 stand for hydrogen or a (1-2C)alkyl radical; and pharmaceutically-acceptable acid-addition salts thereof. Processes for the manufacture of said compounds. Pharmaceutical compositions comprising one of said compounds and a pharmaceutical diluent or carrier. The compounds are 5-hydroxytryptamine antagonists.