Herbicidal aryloxyphenyltriazolinones and related compounds

Claim 1

An herbicidal compound of the formula ##STR17## in which X is halogen, alkyl, haloalkyl or nitro; Y is halogen, alkyl, alkoxy, alkylthio, haloalkyl, nitro, cyano, alkylsulfonylalkyl, --SOCF 3 , or halo lower alkoxy; R a is lower haloalkyl, lower alkyl, alkenyl, or alkynyl; R b is hydrogen, halogen, lower alkyl, lower haloalkyl, alkoxy, alkylsulfonyl, alkylthio or haloalkylsulfonyl; R' is H, alkyl, halogen, haloalkyl, nitro, alkoxy, alkylthio or cyano; R 2 is H, halogen, hydroxy, alkylcarbonyloxy, alkenyloxy, cyano, alkynyloxy, alkyl, haloalkyl, alkoxy, haloalkoxy, nitro, amino, alkylthio, --COOH, --COOR 7 , --CONHSO 2 R 5 , --CONHR 5 , --CONHOR 7 , --COOCH(R 4 )COR 3 , --NHSO 2 R 7 , --N(SO 2 R 7 ) 2 , --SCH(R 4 )COR 3 , --NHCH(R 4 )COR 3 , R 3 [CO --CH--(R 4 )--O--] n -- or NCCH(R 4 )O--[CO--CH(R 4 )--O] m --; provided that where R' is H, halogen, alkyl, or alkoxy, or R a is alkyl; R b is other than H or alkyl, or R 2 is other than H, halogen, alkyl, or alkoxy; R 3 is OH, O - ak + , alkoxy, cycloaklyloxy, alkenyloxy, alkynyloxy, --O[CH(R 8 )(CH 2 ) p O] r R 9 , amino, arylamino, alkylamino, alkenylamino, alkoxyamino, alkylhaloalkyl- or arylsulfonylamino of the formula --NHSO 2 R 5 or --N(SO 2 R 5 )SO 2 R 6 ; R 4 is H or CH 3 ; R 5 and R 6 are independently alkyl, haloalkyl or aryl; R 7 is lower alkyl; R 8 is H or CH 3 ; R 9 is alkyl; n is 1 or 2; p is 0 to 5; m is zero or 1; r is 1 to 6; ak + is sodium, potassium, or ammonium; Z is O, S, NH or alkylamino; with the proviso that any cycloalkyl group has from 3 to 7 carbon atoms; any alkyl, alkenyl or alkynyl moiety in Z, R', R 2 , R 3 , R 5 , R 6 or R 9 has 1 to 6 carbon atoms; and any aryl moiety thereof is phenyl, alkoxyphenyl or halophenyl.