| abstract |
The invention concerns compounds having the formula In wherein Ar is a phenyl or benzyl group which is optionally substituted with hydroxy or alkoxy; nR¹ is hydrogen, lower alkyl, lower alkoxy, hydroxy; nR² is hydrogen, lower alkyl; nR³ is NR⁴R⁵, wherein nR⁴ and R⁵ which can be the same or different, are lower alkyl, or wherein R⁴ and R⁵, when taken together, form a ring with the nitrogen atom, whereby said ring optionally is substituted with lower alkyl; nn is 0 or 1; nm is 2 or 3 and ntheir salts with physiologically acceptable acids and when the compounds can be in form of optical isomers, the racemic mixture and the individual isomers, for the treatment of disorders of the urinary bladder. |