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    • 9. 发明授权
    • Phenoxine-ketal ethers, compositions containing them and the use thereof
    • 苯氧基 - 缩酮醚,含有它们的组合物及其用途
    • US4707182A
    • 1987-11-17
    • US733353
    • 1985-05-13
    • Henry MartinUrs Fricker
    • Henry MartinUrs Fricker
    • A01N25/32A01N33/24A01N35/10A01N43/20A01N43/32A01P13/00C07C67/00C07C239/00C07C251/50C07C251/54C07C313/00C07C315/04C07C317/32C07C319/20C07C323/47C07D307/12C07D309/06C07D309/12C07D317/18C07D317/22C07D319/06C07D321/02C07D321/06C07D339/06C07D339/08A01N43/40A01N43/08C07D317/16
    • C07D319/06A01N25/32C07D307/12C07D309/06C07D317/22C07D321/06C07D339/06C07D339/08
    • The oxime ethers of the formula I below are able to act as antidotes or safeners to protect cultivated plants from the phytotoxic effects of herbicides. Such cultivated plants are preferably sorghum, cereals, maize and rice, and herbicides are principally chloroacetanilides and thiocarbamates. The oxime ethers have the formula I ##STR1## wherein n is 1 or 2, each of R.sub.1 and R.sub.2 is hydrogen or C.sub.1 -C.sub.4 alkyl each of R.sub.3 and R.sub.4 is hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 haloalkoxy, C.sub.1 -C.sub.4 alkylthio, C.sub.1 -C.sub.4 haloalkylthio, C.sub.1 -C.sub.4 alkylsulfinyl, C.sub.1 -C.sub.4 alkylsulfonyl, C.sub.1 -C.sub.4 haloalkylsulfinyl, C.sub.1 -C.sub.4 haloalkylsulfonyl or nitro; each of R.sub.5 and R.sub.6 independently of the other is C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, C.sub.2 -C.sub.8 alkoxyalkyl, C.sub.3 -C.sub.4 alkenyl, C.sub.3 -C.sub.4 alkynyl, or together form a 2- to 6-membered alkylene or alkenylene bridge which may be substituted by 1 to 4 C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.2 -C.sub.4 alkenyloxy, C.sub.2 -C.sub.8 alkoxyalkyl or C.sub.3 -C.sub.8 alkenyloxyalkyl groups; each of A and B independently of the other is oxygen or sulfur, or one of A and B is the methine group, X is a fluorinated C.sub.1 -C.sub.3 alkyl radical which may also additionally contain chlorine, and Y is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 haloalkoxy or phenyl.
    • 以下式I的肟醚能够用作解毒剂或安全剂,以保护栽培植物免受除草剂的植物毒性作用。 这样的栽培植物优选是高粱,谷物,玉米和水稻,除草剂主要是氯乙酰苯胺和硫代氨基甲酸盐。 肟醚具有式I(I)其中n为1或2,R 1和R 2各自为氢或R 3和R 4各自为C 1 -C 4烷基,卤素,C 1 -C 4烷基,C 1 -C 4 卤代烷基,C1-C4烷氧基,C1-C4卤代烷氧基,C1-C4烷硫基,C1-C4卤代烷硫基,C1-C4烷基亚磺酰基,C1-C4烷基磺酰基,C1-C4卤代烷基亚磺酰基,C1-C4卤代烷基磺酰基或硝基; R 5和R 6各自独立地是C 1 -C 4烷基,C 1 -C 4卤代烷基,C 2 -C 8烷氧基烷基,C 3 -C 4烯基,C 3 -C 4炔基,或一起形成2-至6-元亚烷基或亚烯基桥,其中 可以被1至4个C 1 -C 4烷基,C 1 -C 4卤代烷基,C 1 -C 4烷氧基,C 2 -C 4烯氧基,C 2 -C 8烷氧基烷基或C 3 -C 8链烷氧基烷基取代; A和B各自独立地是氧或硫,或者A和B中的一个是次甲基,X是还可以另外含有氯的氟化的C 1 -C 3烷基,Y是氢,C 1 -C 4烷基 ,C 1 -C 4卤代烷基,C 1 -C 4烷氧基,C 1 -C 4卤代烷氧基或苯基。