Insecticidal and acaricidal derivatives of 1-benzylbenzimidazole

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

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548325, 548327, A01N 4352, C07D23508

Patent

active

046123237

ABSTRACT:
An insecticidal and/or acaricidal composition which comprises as an active ingredient an effective amount of a benzimidazole derivative of the formula: ##STR1## wherein R.sub.1 is a hydrogen atom or a lower alkyl group, R.sub.2 and R.sub.3 are, the same or different, each 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 alkylsulfinyl group, or R.sub.2 and R.sub.3 are combined together to form an optionally substituted 5- or 6-membered, saturated or unsaturated 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, and an inert carrier or diluent.

REFERENCES:
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patent: 4118487 (1978-10-01), Regel et al.
patent: 4179277 (1979-12-01), Beck et al.
patent: 4238405 (1980-12-01), Felix
patent: 4251512 (1981-02-01), Brandes et al.
patent: 4359469 (1982-11-01), Stetter et al.

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