Patent ID: 6160119
Filing Date: 2000-12-12
Classification: A61P,C07D

Abstract:
A compound of formula I ##STR10## in which R.sub.1 is 1-4C-alkyl,R.sub.2 is 1-4C-alkyl or hydroxy-1-4C-alkyl,R.sub.3 is hydrogen or halogen,one of the substituents R.sub.4 a and R.sub.4 b is hydrogen and the other is hydrogen, hydroxyl, 1-4C-alkoxy, 1-4C-alkoxy-1-4C-alkoxy or 1-4C-alkylcarbonyloxy, or in which R.sub.4 a and R.sub.4 b together are O (oxygen),one of the substituents R.sub.5 a and R.sub.5 b is hydrogen and the other is hydrogen, hydroxyl, 1-4C-alkoxy, 1-4C-alkoxy-1-4C-alkoxy or 1-4C-alkylcarbonyloxy, or in which R.sub.5 a and R.sub.5 b together are O (oxygen),where R.sub.4 a, R.sub.4 b, R.sub.5 a and R.sub.5 b are not simultaneously hydrogen,or in whichone of the substituents R.sub.4 a and R.sub.4 b on the one hand and one of the substituents R.sub.5 a and R.sub.5 b on the other hand is in each case hydrogen, and the other substituents in each case together form a methylenedioxy radical (--O--CH.sub.2 --O--) or an ethylenedioxy radical (--O--CH.sub.2 --CH.sub.2 --O--),R.sub.6 is hydrogen, halogen, 1-4C-alkyl, 1-4C-alkoxy, 1-4C-alkoxycarbonylamino, 1-4C-alkoxy-1-4C-alkoxycarbonylamino or trifluoromethyl andR.sub.7 is hydrogen, halogen, 1-4C-alkyl or 1-4C-alkoxy, or a salt thereof.