PROCESS FOR THE PREPARATION OF 3-5-OR 3-SUBSTITUTED-5-OR 3-ISOXAZOLYL-1-ALLYL OR ALKYL-4-SUBSTITUTED-5-SUBSTITUTED OR UNSUBSTITUTED-2-IMIDAZOLIDINONES POSSESSING HERBICIDAL PROPERTIES AND FOR THE COMPOSITIONS CONTAINING THEM

摘要

The invention relates to new herbicidal compounds having the formula:- …CHEM… wherein:… A is R… …CHEM… or …CHEM… wherein R is alkyl or haloalkyl of up to 6 carbon atoms; cycloalkyl of from 3 to 8 carbon atoms; alkenyl or alkynyl of up to 5 carbon atoms; -R4-O-R5 or -R4-S-R5 wherein R4 is alkylene of up to 6 carbon atoms and R5 is alkyl of up to 6 carbon atoms; or …CHEM… or …CHEM… wherein Z is nitro, halogen, trifluromethyl or R4, and n is 0,1, 2, or 3; R1 is hydroxy, halogen or …… -O-@-R6 wherein R6 is alkyl or haloalkyl of up to 9 carbon atoms; cycloalkyl of from 3 to 8 carbon atoms; alkenyl or alkynyl of up to 5 carbon atoms, or …CHEM… wherein Z1 is nitro, halogen, trifluromethyl, alkyl or alkoxy of up to 8 carbon atoms; and n is 0, 1, 2, or 3; R2 is hydrogen, hydroxy, alkyl of up to 4 carbon atoms, or allyl; and R3 is alkyl of up to 3 carbon atoms or allyl. …??The invention also includes methods for their production, herbicidal compositions containing same and the use of the said compounds in the control of weeds.