| abstract |
(57) [Summary] (Corrected) [Structure] Formula (1): [Wherein R 1 is alkyl; R is hydrogen or alkyl; X Is O, S, NH, etc .; Q 1 is hydrogen, alkyl, cycloalkyl, alkenyl, alkynyl, phenyl, naphthyl group or heterocycle, etc .; Q 2 is alkyl, cycloalkyl, alkenyl, phenyl group, thienyl, etc., A 1 Is C or N; A 2 is CH, NH, O, S, SO, SO 2, etc .; A 3 is a single bond, oxygen, sulfur, CH, NH, etc .; Represents ] The nitrogen-containing cyclic compound represented by these, and a herbicide. [Effect] It shows high herbicidal activity at low dose and has selectivity for crops. |