| 摘要 |
The present invention relates to novel herbicidal sulfonamide derivatives of formula (I) having erythro stereochemistry as herbicides for treatment of pre-emergence and/or post-emergence, their use and composition as agriculturally suitable herbicides, wherein P and Q, as equivalent or different groups respectively, are CH or N, and present as aromatic ring including P and Q as benzene or pyridine ring; R<1> is H, (a) or (b) group, wherein R<a> is C1 SIMILAR C3 alkyl, C1 SIMILAR C3 haloalkyl, C2 SIMILAR C3 alkenyl or C2 SIMILAR C3 alkynyl group, wherein X<a> is O, S, NH or NR<a> group; R<2> is C1 SIMILAR C2 alkyl group; and X and Y are independently halogen atom, c1 SIMILAR c2 alkyl, C1 SIMILAR C2 alkoxy or C1 SIMILAR C2 haloalkoxy group. |
