abstract |
This invention concerns compounds of formula (I), stereochemically isomeric forms thereof, acid or base addition salts thereof, N-oxides thereof, or quaternary ammonium derivatives thereof, wherein the dotted line is an optional bond; X is a direct bond when the dotted line represents a bond, or X is hydrogen or hydroxy, when the dotted line does not represent a bond; R?1, R2, R5 and R6¿ are each independently selected from hydrogen, halo, hydroxy, C¿1-4?alkyl, C1-4alkyloxy, -SO3H, and the like; R?3 and R4¿ are each independently selected from hydrogen, halo, hydroxy, C¿1-4?alkyl, C1-4alkyloxy, nitro, amino, cyano, trifluoromethyl, or trifluoromethoxy; ?.....¿ L is a radical of formula (a-1), (a-2), (a-3), (a-4), (a-5), (a-6), (a-7), (a-8), (a-9), (a-10); wherein A1 is a direct bond or C¿1-6?alkanediyl; A?2¿ is C¿2-6?alkanediyl; and R?7 to R11¿ are hydrogen, C¿1-6?alkyl, aminoC1-6alkyl and the like; having biocidal properties; their preparation, compositions containing them and their use as a biocide. |