Benzimidazole derivatives, and their production and use as...

C - Chemistry – Metallurgy – 07 – D

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C07D 235/08 (2006.01) A01N 43/52 (2006.01) C07D 235/06 (2006.01) C07D 405/02 (2006.01) C07D 405/12 (2006.01)

Patent

CA 1225994

ABSTRACT BENZIMIDAZOLE DERIVATIVES, AND THEIR PRODUCTION AND USE AS INSECTICIDES AND/OR ACARICIDES The invention provides an insecticidal and/or acaricidal benzimidazole derivative of the formula: (I) Image wherein R1 is a hydrogen atom or a lower alkyl group, R2 and R3, which may be the same or different, each represents a hydrogen atom, a halogen atom, a nitro group, a cyano group or an optionally substituted lower alkyl, lower alkenyl, lower alkynyl, cyclo(lower)alkyl, lower alkoxy, lower alkenyloxy, lower alkynyloxy, cyclo(lower)alkoxy, lower alkylthio, lower alkenylthio, lower alkynylthio, cyclo(lower)alkylthio, di(lower)alkylamino, lower alkylsulfonyl or lower alkyl- sulfinyl group, or R2 and R3 may be combined together to form an optionally substituted 5- or 6-membered, saturated or un- saturated ring optionally having not more than two oxygen atoms or sulfur atoms within the ring and X is an oxygen atom, a sulfur atom, a methylene group, a sulfonyl group, a sulfinyl group or an imino group.

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