| abstract |
Tetrahydropyran-2,4-diones of the formula <IMAGE> in which the substituents and the index have the following meanings: R¹ is hydrogen; C1-C6 alkyl; C2-C6 alkenyl; C2-C6 alkynyl; optionally substituted C1-C6-alkyl, optionally substituted phenyl; C1-C6 alkylsulfonyl; optionally substituted benzenesulfonyl; C2-C6 alkylcarbonyl; C3-C6 alkenylcarbonyl; optionally substituted benzoyl; R² C1-C6 alkyl; C2-C6 alkenyl; C2-C6 alkynyl; C1-C6 haloalkyl; C3-C6 cycloalkyl; A, B, D = CH- and = N- E oxygen, sulfur or -NR <7> -, with R <7> hydrogen, C1-C6-alkyl; C2-C6 alkenyl; C2-C6 alkanoyl; optionally substituted benzoyl; Benzyl; optionally substituted phenyl; X for n identical or different substituents from the group halogen, C3-C6-cycloalkyl; optionally substituted C1-C6-alkyl, C2-C6-alkenyl; C2-C6 alkynyl; C1-C6 alkoxy; C2-C6 alkenyloxy; C1-C6 alkylthio; C1-C6 alkoxycarbonyl; C2-C6 alkanoyloxy; optionally substituted benzyloxy, optionally substituted NR <5> R <6>; Formyl; C2-C6-alkanoyl and its imine, oxime and Schiff base; optionally substituted phenyl; R <5>, R <6> are hydrogen, C1-C6-alkyl, phenyl, C2-C6-alkanoyl, benzoyl and benzyl; Z oxygen; NOR <8>, R <8> optionally substituted C1-C6-alkyl; C2-C6 alkenyl; C2-C6 alkynyl; C2-C6 haloalkynyl; optionally substituted thenyl; n 0, 1 or 2, and their environmentally compatible salts and compositions containing them. |