| abstract |
A compound of general formula (I) wherein Y is O, S or CH2; R1 is an optionally substituted aryl or heteroaromatic ring, wherein the optional substituents are selected from halogen, C¿1?-C4 alkyl, C1-C4 haloalkyl, C1-C4 alkoxy or C1-C4 haloalkoxy; R?2 and R3¿ are independently selected from hydrogen or halogen; and R?4 and R5¿ are independently selected from halogen. The compounds are useful as herbicides. |