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. 27, 1987
Filed:
Dec. 12, 1985
Roger J Gillespie, Swindon, GB;
Wilfred R Tully, Cirencester, GB;
Roussel Uclaf, Paris, FR;
Abstract
Novel compounds selected from the group consisting of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of 1,2,4-oxadiazol-5-yl and 1,3,4-thiadiazol-2-yl, both optionally substituted with alkyl of 1 to 3 carbon atoms or alkenyl of 2 to 5 carbon atoms and 1,2,4-oxadiazol-3-yl and 1,3,4-oxadiazol-2-yl, both optionally substituted with alkenyl of 2 to 5 carbon atoms, alkyl of 1 to 3 carbon atoms or alkyl of 1 to 3 carbon atoms substituted with at least one fluorine, R.sub.2 and R.sub.3 are individually selected from the group consisting of hydrogen, alkyl of 1 to 3 carbon atoms and alkenyl of 2 to 5 carbon atoms or together form alkylene of 3 to 5 carbon atoms, X is selected from the group consisting of --O-- and --S--, R.sub.4 is alkyl of 1 to 3 carbon atoms and their non-toxic, pharmaceutically acceptable acid addition salts having anxiolytic sedative and hypnotic activity and a novel process and novel intermediates therefor.