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:
Dec. 24, 1985
Filed:
Mar. 05, 1984
Martin G Baxter, Wilmington, Dartford, Kent, GB;
Albert R Elphick, Lee, London, S.E. 12, GB;
Alistair A Miller, Tonbridge, Kent, GB;
David A Sawyer, Hayes, Kent, GB;
Other;
Abstract
The present invention provides compounds of the formula (III): ##STR1## or an acid addition salt thereof, wherein R.sup.6, R.sup.7, R.sup.9 and R.sup.10 are each hydrogen, halogen, C.sub.1-4 alkyl or trifluoromethyl and R.sup.8 is chlorine or R.sup.7 and R.sup.8 are linked to form a --CH.dbd.CH--CH.dbd.CH-- group when one of R.sup.6 and R.sup.10 is other than hydrogen provided that when R.sup.8 is chlorine R.sup.6, R.sup.7, R.sup.9 and R.sup.10 are not all hydrogen atoms and that any one of R.sup.6, R.sup.7, R.sup.9 and R.sup.10 is not chlorine when the other three groups are hydrogen. Also provided are pharmaceutical compositions containing compounds of the formula (III), the first medical use of compounds of the formula (III), a process for preparing such compounds and intermediates through which this process proceeds.