| abstract |
The present invention relates to new substituted uracils of general formula (I) in which R¹ represents aromatic or heteroaromatic radicals which are optionally substituted, R² represents H, alkyl, alkenyl, alkynyl or aralkyl, which are optionally substituted, R³ for one or more, identical or different radicals from the group hydrogen, halogen, alkyl, haloalkyl, alkoxy, alkylthio, haloalkoxy, haloalkylthio, cyano, alkoxycarbonyl, alkylsulfonyl, haloalkylsulfonyl, R⁴ represents hydrogen, a straight-chain, branched or cyclic alkyl radical, alkenyl, alkynyl or aralkyl, which are optionally substituted, Process for their preparation and their use against parasitic protozoa. |