3-[5- Or 3-substituted-1,2,4-oxadiazol-3- or -5-yl]-1-substituted-4-substituted-5-substituted or unsubstituted-2-imidazolidinones

Claim 1

A compound represented by the formula: ##STR14## 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, --R 4 --O--R 5 or R 4 --S--R 5 wherein R 4 is alkylene of up to 6 carbon atoms and R 5 is alkyl of up to 6 carbon atoms, ##STR15## wherein Z is nitro, halogen, trifluoromethyl or R 5 and n is 0, 1, 2, or 3; R 1 is hydroxy, halogen, ##STR16## wherein R 6 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 or ##STR17## wherein Z 1 is nitro, halogen, trifluoromethyl, alkyl or alkoxy of up to 8 carbon atoms, and n is 0, 1, 2 or 3 or ##STR18## wherein R 7 and R 8 are the same or different and represent hydrogen, alkyl or haloalkyl of up to 6 carbon atoms; or R 7 can be ##STR19## R 2 is hydrogen, hydroxy, alkyl, or haloalkyl of up to 4 carbon atoms or allyl; and R 3 is alkyl of up to 3 carbon atoms or allyl.