BENZOYLCYCLOHEXANEDIONES, HERBICIDE AGENT AND METHOD FOR CONTROL OF WEEDS BASED ON THEREOF Russian patent published in 2004 - IPC

FIELD: organic chemistry, herbicides, agriculture.

SUBSTANCE: invention describes benzoylcyclohexanediones of the general formula (I):

wherein R¹ means cycloalkoxy-group with 3-8 carbon atoms, cycloalkylalkoxy- or cycloalkenylalkoxy-group with 3-8 carbon atoms in cycloalkyl or cycloalkenyl moiety and with 1-6 carbon atoms in alkoxy-group, phenoxy-group, halogenalkoxy-group with 1-6 carbon atoms, halogenalkylthio-group with 1-6 carbon atoms, 2-tetrahydrofuranylmethoxy-group, 2-tetrahydropyranylmethoxy-group, -O-(CH₂)_m-O-(CH₂)_n-R^2a wherein R^2a means alkoxy-group with 1-6 carbon atoms or benzyl; R², R³, R⁴ and R⁵ mean independently of one another hydrogen, halogen atom, methyl or alkylsulfonyl with 1-6 carbon atoms in alkyl; R⁶ means OR¹² wherein R¹² means hydrogen atom, benzoyl, benzoylmethyl; R⁷ means hydrogen atom, alkyl with 1-6 carbon atoms; L means alkylene chain with 1-6 carbon atoms; Y means bivalent fragment CHR⁷ or C(R⁷)₂; Z means bivalent radical fragment CHR⁷ or C(R⁷)₂; m = 1, 2 or 3; n = 0, 1, 2 or 3; v = 1; w = 0, 1 or 2 under condition L-R¹ must not mean CH₂-O-phenyl if R² and R³ mean chlorine atom, and R⁴ and R⁵ mean hydrogen atom. Invention describes also a herbicide agent based on compound of the formula (I) and a method for control of weeds using compound of the formula (I), or herbicide agent. Compounds of the formula (I) elicit the excellent herbicide effect against broad spectrum of monocotyledonous and dicotyledonous weeds.

EFFECT: valuable herbicide properties of compounds.

8 cl, 6 tbl, 10 ex