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|Title:||Pharmacologically active catechol derivatives|
|Abstract:||A compound according to formula 1 ##STR1## wherein R.sub.1 and R.sub.2 independently represent hydrogen, carbamoyl which is substituted by an alkyl of 1 to 4 carbon atoms, alkylcarbonyl of 2 to 5 carbon atoms or phenyl carbonyl, X represents halogen nitro or cyano and R.sub.3 represents ##STR2## wherein R.sub.4 represents cyano or alkylcarbonyl of 2 to 5 carbon atoms and R.sub.5 represents carbamoyl which is unsubstituted or substituted with alkyl of 1 to 8 carbon atoms or which is substituted with hydroxyalkyl of 1 to 8 carbon atoms or pharmaceutically acceptable esters and salts thereof, and a pharmaceutically acceptable carrier therefor, as well as pharmaceutical compositions containing said compounds as COMT inhibitors.|
|Inventor(s):||Backstrom; Reijo J. (Helsinki, FI), Heinola; Kalevi E. (Jarvempaa, FI), Honkanen; Erkki J. (Vantaa, FI), Kaakkola; Seppo K. (Helsinki, FI), Kairisalo; Pekka J. (Helsinki, FI), Linden; Inge-Britt Y. (Helsinki, FI), Mannisto; Pekka I. (Helsinki, FI), Nissinen; Erkki A. O. (Espoo, FI), Pohto; Pentti (Helsinki, FI), Pippuri; Aino K. (Espoo, FI), Pystynen; Jarmo J. (Espoo, FI)|
|Assignee:||Orion-yhtyma Oy (Espoo, FI)|
Patent Claim Types:|
see list of patent claims
|Country||Document Number||Publication Date||Supplementary Protection Certificate||SPC Country||SPC Expiration|
|Germany||69124534||Mar 20, 1997|
|Croatia||P921250||Jun 30, 2000|
|Czechoslovakia||8808440||May 13, 1992|
|Italy||8722790||Nov 27, 1987|
|Japan||S63170311||Jul 14, 1988|
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