| 摘要 |
1. A novel 2-acyl-1,3-cyclohexanedione, or an oxime ether thereof, of formula I see diagramm : EP0243313,P35,F4 wherein A is a 2- to 7-membered alkylene bridge, or a 3- to 7-membered alkenylene bridge which may be mono- or polyunsaturated n is zero, one or two, R1 is C1 -C4 alkyl or benzyl, R2 is C1 -C6 alkyl which is unsubstituted or substituted by halogen, C1 -C4 alkoxy or C1 -C4 alkylthio ; or is C3 -C6 cycloalkyl ; or phenyl, benzyl or phenylethyl, the phenyl ring of each of which may be substituted by halogen, C1 -C4 haloalkoxy, cyano or nitro, X is oxygen or a radical -NOR3 , and R3 is C1 -C6 alkyl, C1 -C6 halogalkyl, C3 -C6 alkenyl, C3 -C6 haloalkenyl or C3 -C6 alkynyl, and the salts of these compounds with metals and nitrogen bases. |
