| abstract |
(57) [Abstract] [PROBLEMS] To provide a herbicide which has an excellent herbicidal effect against harmful weeds and which is highly safe for crops. SOLUTION: The general formula [I] Wherein, -A-B- is a group -N-CH (CH 3) - , group - N-N (CH 3) - , group -C = C (CH 3) - , group -N Represents —CH 2 — and the like, X is the same or different and represents a hydrogen atom, a halogen atom, an alkyl group or the like, and m is 1 or 2 And n represents an integer of 1 to 3, and R 1 represents an optionally substituted aryl group, a substituted carbamoyl group, an alkoxycarbonyl group or the like. ] The cyclic amide derivative shown by these, and the herbicide containing this as an active ingredient. |