- Insecticidal 3-difluoromethoxyphenyl-1-phenylcarbamoyl-2-pyrazolines
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Pyrazoline derivatives useful as insecticides having the formula STR1 wherein R1 represents hydrogen atom, a lower alkyl group, (CH2)n CN group, (CH2)n OR group, phenyl group or a halogen-substituted phenyl group; R2 represents hydrogen atom or methyl group; Y represents hydrogen atom or chlorine atom; X represents oxygen atom, sulfur atom, sulfinyl or sulfonyl group; R3 represents a halogen-substituted lower alkyl group; and n is integer 1 to 3 and R represents a lower alkyl group.
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- Insecticidal pyrazoline derivatives and composition
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Pyrazoline derivatives having the formula STR1 wherein R1 represents hydrogen atom, a lower alkyl group, phenyl group or a halogen-substituted phenyl group; R2 represents hydrogen atom or phenyl group which can have halogen substituents; X represents oxygen or sulfur atom; Y and Z respectively represent hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group, nitro-group, trifluoromethyl group, a lower alkylthio group, an acyl group, nitrile group or a lower alkyl sulfonyl group.
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- Phenyl ketone derivatives
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Ketone derivatives represented by the general formula (I) STR1 where R is --CH2 R1 (where R1 is a hydrogen atom or an alkyl group), a halogen-substituted alkyl group, a cyano-substituted alkyl group, a cyclopropyl group, STR2 (where R2 is a hydrogen atom or an alkyl group and Y is a hydrogen atom or a halogen atom) or STR3 (where R3 is a hydrogen atom, an alkyl group, a phenyl group or a halogen-substituted phenyl group, and Z is a hydrogen atom or a halogen atom), and X is an oxygen atom or a sulfur atom.
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