3-[substituted 3- or 5-isoxazolyl]-1-4, or 5-...

Details 3-[substituted 3- or 5-isoxazolyl]-1-4, or 5-... 3-[substituted 3- or 5-isoxazolyl]-1-4, or 5-...

C - Chemistry, Metallurgy

07

D

260/311.9

C07D 261/14 (2006.01)

Patent

CA 1221972

ABSTRACT OF THE DISCLOSURE This invention concerns certain 3-[substituted 3- or 5-isoxazolyl]-1-4 or 5-substituted-2-imidazolidinones having herbicidal activity, their method of preparation, and the control of weeds therewith. The compounds are represented by the formula Image wherein: A is Image or Image wherein R is alky1 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 Image or Image wherein Z is nitro, halogen, trifluoromethyl or R5, and n is 0, 1, 2, or 3; R1 is hydroxy, halogen or Image 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 Image wherein Z1 is nitro, halogen, trifluoromethyl, 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 concerns certain novel acetal urea intermediates.

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