| 摘要 |
<p>The invention relates to certain pyrimidine derivatives of general formula (I), in which R?1, R2 and R3¿ independently represent a hydrogen or halogen atom, nitro, cyano, hydroxyl, carboxyl or optionally substituted alkyl, alkenyl, alkynyl, alkoxy, amino, alkoxycarbonyl, alkanoyl, cycloalkyl, alkylthio, alkylsulphinyl, alkylsulphonyl, carbamoyl, alkylamido or phenyl group; n represents an integer from 1 to 3; R?4, R5, R6, R7, R8 and R9¿ independently represent a hydrogen atom or an optionally substituted alkyl group; and R?10 and R11¿ independently represent a hydrogen atom or an optionally substituted alkyl or aryl group; or R?10 and R11¿ together represent an optionally substituted alkylene or alkenylene chain; with the proviso that R?7, R8, R9, R10 and R11¿ do not simultaneously represent a hydrogen atom; processes for their preparation, compositions containing such compounds and their use as biocides.</p> |
