申请人:Orion-yhtyma Oy
公开号:US04963590A1
公开(公告)日:1990-10-16
Pharmacologically active catechol derivatives of formula I ##STR1## wherein R.sub.1 and R.sub.2 independently comprise hydrogen, alkyl, acyl, optionally substituted aroyl, lower alkylsulfonyl or alkylcabamoyl or taken together form a lower alkylidene or cycloalkylidene, X comprises an electronegative substituent such as halogen, nitro, cyano, lower alkylsulfonyl, sulfonamido, aldehyde, caboxyl or trifluoromethyl and R.sub.3 comprises hydrogen, halogen, hydroxy alkyl, amino, nitro, cyano, trifluoromethyl, lower alkylsulfonyl, sulfonamide, aldehyde, alkyl carbonyl, aralkylidene carbonyl or carboxyl or a group selected from ##STR2## wherein R.sub.4 comprises hydrogen, alkyl, cyano, carboxyl or acyl and R.sub.5 comprises hydrogen, cyano, carboxyl, alkoxycarbonyl, carboxyalkenyl, nitro, acyl, optionally substituted aroyl or heteroaroyl, hydroxyalkyl or carboxyalkyl or R.sub.4 and R.sub.5 together form a five to seven membered substituted cycloalkanone ring; --(CO).sub.n (CH.sub.2).sub.m --COR wherein n is 0-1 and m is 0-7 and R comprises hydroxy, alkyl, carboxyalkyl, optionally substituted alkene, alkoxy or optionally substituted amino; ##STR3## wherein R.sub.8 and R.sub.9 independently comprise hydrogen or one of the following optionally substituted groups; alkyl, alkenyl, alkynyl, cycloalkyl, aralkyl, or together form an optionally substituted piperidyl group; --NH--CO--R.sub.10 wherein R.sub.10 comprises a substituted alkyl group.
公式I的药理活性儿茶酚衍生物,其中R.sub.1和R.sub.2独立地包括氢、烷基、酰基、可选择地取代的芳酰基、较低的烷基磺酰基或烷基氨基甲酰基,或者一起形成较低的烷基亚甲基或环烷基亚甲基,X包括电负取代基,如卤素、硝基、氰基、较低的烷基磺酰基、磺胺基、醛基、羧基或三氟甲基,R.sub.3包括氢、卤素、羟基烷基、氨基、硝基、氰基、三