Insecticidal Ureas and thioureas

CAFC
  • US 4,833,151 A
  • Filed: 05/28/1986
  • Issued: 05/23/1989
  • Est. Priority Date: 05/15/1970
  • Status: Expired due to Term
First Claim
Patent Images

1. An insecticidal composition comprising an inert carrier and an insecticidally effective amount, as active ingredient, of a compound of the formula ##STR38## wherein A is a hydrogen atom, a halogen atom, a methyl group, or a methoxy group;

  • B also is a hydrogen atom, a halogen atom, a methyl group, or a methoxy group, with the proviso that A and B are not both a hydrogen atom;

    R is a hydrogen atom, an alkyl group, a hydroxy group, an alkoxy group, an alkoxymethyl group, an acyl group, or an alkoxycarbonyl group;

    X and Y each are an oxygen atom or a sulfur atom;

    R1 is a hydrogen atom, an alkyl group that may be substituted with halogen, with alkoxy, with alkylthio, or with cyano, a 1-cycloalkenyl group, a benzyl group that may be substituted with halogen, a hydroxy group, an alkoxy group, an acyl group, an alkoxycarbonyl group, an alkoxythiocarbonyl group, an alkylsulfonyl group, or a phenylsulfonyl group; and

    R2 is a substituted or non-substituted phenyl group or a pyridyl group that may be substituted with halogen, with nitro, with cyano, or with halogenated alkyl;

    with the proviso that the active ingredient comprises a compound that is not included in any of the following paragraphs;

    (1) A and B are each independently selected from the group consisting of chlorine, fluorine, and methyl, R1 is selected from the group consisting of hydrogen and lower alkyl, R2 is a phenyl group substituted with 1-3 substituents selected from the group consisting of halogen, alkyl of 1-15 carbons, halogen derivatives of said alkyl, cycloalkyl, and halogenated cycloalkyl, nitro, and phenyl, X and Y are both oxygen atoms, and R is a hydrogen atom;

    (2) N-(2,6-dichlorobenzyl)-N'"'"'-(4-cyanophenyl)urea;

    (3) N-(2-monochlorobenzoyl)-N'"'"'-(3,4-dichlorophenyl)urea.

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