| abstract |
1. New phenanthridines of formula I, in which R1 is hydroxy group, 1-4C-alkoxy, 3-7C-cycloalkoxy or 3-7C-cycloalkylmethoxy or fully or partially fluorinated group 1-4C-alkoxy, R2 is hydroxy, 1-4C-alkoxy, 3-7C-cycloalkoxy or 3-7C-cycloalkylmethoxy or fully or partially fluorine substituted 1-4C-alkoxy, or where R1 and R2 together represent 1-2C-alkylene dioxy, R3 is a hydrogen atom or a 1-4C-alkyl group, R31 is a hydrogen atom or a 1-4C-alkyl group, or where R3 and R31 together represent a 1-4C-alkylene group, R4 is a hydrogen atom or a 1-4C-alkyl group, R5 is hydrogen, R51 is hydrogen, or where R5 and R51 together represent an additional bond, R6 is a phenyl group substituted with R7, where R7 is CCO R 71 or CON (R72) R73 and R71 is hydrogen, grape 1 -7C-alkyl, 3-7C-cycloalkyl or 3-7C- cycloalkylmethyl, and R72 and R73 independently of one another denote hydrogen atoms, 1-7C-alkyl, 3-7C-cycloalkyl or 3-7C-cycloalkylmethyl groups and the salts of these compounds. W ZÓR 1 PL |