Herbicidal Benzoxazinones

摘要

The present invention relates to benzoxazinones of the general formula (I);;wherein the variables are defined according to the description, processes and intermediates for preparing the benzoxazinones of the formula (I), compositions comprising them and their use as herbicides, i.e. for controlling harmful plants, and also a method for controlling unwanted vegetation which comprises allowing a herbicidal effective amount of at least one benzoxazinones of the formula (I) to act on plants, their seed and/or their habitat.

主权项

1. A compound of formula IV: wherein R1 is halogen; R2 is halogen; R3 is hydrogen or halogen; R4 is hydrogen, C1-C6-alkyl, C1-C6-haloalkyl, C3-C6-cycloalkyl, C3-C6-alkenyl, C3-C6-haloalkenyl, C3-C6-alkynyl, C3-C6-haloalkynyl, C1-C6-alkoxy or C3-C6-cycloalkyl-C1-C6-alkyl; and R7 is hydrogen, NO2, NH2, —NCO or —NH—C(O)—NR5—C(Z)—NHR6, wherein R5 is hydrogen, NH2, C1-C6-alkyl or C3-C6-alkynyl;
R6 is hydrogen or C1-C6-alkyl; andW is O or S.