-(QUINAZOLIN-(2-OR 4-)(OXY,YLTHIO OR AMINO)PHEN(OXY OR YLTHIO)ALKANOIC ACID DERIVATIVES

摘要

The invention concerns novel compounds of the formula I IMAGE I The compounds are herbicides and in further embodiments the invention provides: processes for the preparation of compounds of formula I; intermediates useful in the preparation of compounds of formula I; compositions containing as active ingredient compounds of formula I; and processes for severely damaging or killing unwanted plants by applying to the plants or to the growth medium of the plants an effective amount of a compound of formula I.