| 摘要 |
Compounds of formula (1) or isomeric and/or tautomeric forms thereof wherein R<1> is H, or one of a number of specified groups, or M; R<2> is C1-C4 alkyl, R<3> is C1-C4 alkyl, or one of a number of specified groups; R<4> and R<5> are independently H, or C1-C4 alkyl, C2-C4 alkenyl; R<6> is hydrogen, or one of a number of specified groups; X is -SO2R<7>, -CONR<7>R<8>, -COR<7>, -CO2R<7>, -SO2NR<7>R<8>, -CSNR<7>R<8>; R<7> and R<8> are independently hydrogen, C1-C6 alkyl, C3-C6 cycloalkyl; or R<7> and R<8> together with the nitrogen to which they are attached form a 5- to 7-membered heterocyclic ring; n is 0, 1, 2, 3, 4 or 5; provided that when n = 0, then X is not COR<7>, CO2R<7> or CONR<7>R<8>; and M is Li<+>, Na<+>, K<+>, NH4<+>, or N(R<11>)4<+> where R<11> is C1-C4 alkyl. Processes for preparing the compounds, herbicidal and plant growth regulating compositions containing them and methods for regulating the growth of a plant and selectively inhibiting, damaging or killing weed grasses in a crop involving them. |
