FIELD: agriculture; chemistry.
SUBSTANCE: invention relates to novel compounds having herbicidal activity. 7-oxa-3,4-diazabicyclo[4.1.0]hept-4-en-2-one compound having general formula (I)
or its salt has herbicidal activity and is an active herbicide substance, where R1 is a substituted or unsubstituted C1-6 alkyl group, or 5–6 membered cyclic ether group, R2 is a substituted or unsubstituted C1-6 alkyl group, a substituted or unsubstituted C2-6 alkenyl group, or a substituted or unsubstituted C2-6 alkynyl group, R3 represents a hydrogen atom, a substituted or unsubstituted C1-6 alkyl group, a substituted or unsubstituted C1-6 alkoxy group, a substituted or unsubstituted C3-6 cycloalkyl group, or a substituted or unsubstituted phenyl group, and Q is a substituted or unsubstituted phenyl group.
EFFECT: disclosed compound is highly effective against monocotyledonous and dicotyledonous weeds at low dosages.
6 cl, 15 tbl, 1 ex
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