| 摘要 |
PCT No. PCT/EP97/07215 Sec. 371 Date Jun. 23, 1999 Sec. 102(e) Date Jun. 23, 1999 PCT Filed Dec. 19, 1997 PCT Pub. No. WO98/30565 PCT Pub. Date Jul. 16, 19985-(Dioxabicyclohept-6-yl)cyclohexenone oxime ethers of the formula I where: R1 is hydrogen, the equivalent of an agriculturally useful cation, C1-C10-alkylcarbonyl, C1-C10-alkylsulfonyl, C1-C10-alkylphosphonyl, benzoyl, benzenesulfonyl or benzenephosphonyl; R2 is C1-C6-alkyl; R3 is in each case, independently of the others, hydrogen or C1-C4-alkyl; Z is a C1-C6-alkylene, C3-C6-alkenylene or C3-C6-alkynylene chain which may carry an exo-methylene substituent (=CH2) and/or in each case one to three additional substituents selected from the group consisting of C1-C3-alkyl substituents and halogen atoms, is a C3-C6-alkylene or C4-C6-alkenylene chain which may carry one to three C1-C3-alkyl substituents and which contains, in addition to methylene or methine units, one of the following bridge members: oxygen, sulfur, -SO-, -SO2- or -N(Ri)-, where Ri is hydrogen, C1-C4-alkyl, C3-C6-alkenyl or C3-C6-alkynyl; R4 is hydrogen, halogen or phenyl, where the phenyl group may be unsubstituted, partially or fully halogenated and may carry, if it is not fully halogenated, one to three substituents which are as defined in the claims, and the preparation and use thereof.
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