Substituted tetrahydroquinoline and tetrahydroquinoxaline herbicides

Abstract

Compounds of Formula 1, including all stereoisomers, N-oxides and salts thereof, agricultural compositions containing them and their use as herbicides, are disclosed, wherein A is a 5- or 6-membered heterocyclic ring containing ring members selected from carbon atoms and up to 4 heteroatoms independently selected from up to 2 O atoms, up to 2 S atoms and up to 4 N atoms, one or two carbon or sulfur ring members of the heterocycle may optionally be in the oxidized form of a carbonyl, sulfonyl, sulfinyl moiety, said ring being attached to the Formula 1 moiety through a carbon atom or a heteroatom, and optionally substituted with 1 to 4 R1; and R1, R3a, R3b, R4a, R4b, X1, X2, X3, X4, Z, Y and q are as defined in the disclosure.