Quantitative Structure-Activity Relationships for Antifungal 3-(3, 5-Dichlorophenyl)-2, 4-imidazolidinediones

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概要

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• The antifungal activity of 441-acyl derivatives of 3-(3, 5-dichlorophenyl)-2, 4-imidazolidinedione against Botrytis cinerea, and of 10 l-sulfonyl compounds against Alternaria kikuchiana were assayed by the agar medium dilution method. The structure-activity relationships for the substituents of the acyl and sulfonyl moieties were analyzed with such physicochemical parameters as hydrophobic π, inductive electronic σ1, and steric Ecs and B1 values by multiple regression. The activity of the acyl derivatives against B. cinerea was related parabolically to the hydrophobicity of the substituents. The stronger the electron-donating power, the larger the overall steric bulkiness, and the smaller the minimum width in the direction perpendicular to the bond axis of the substituents, the greater was the activity. The activity of the sulfonyl derivatives against A. kikuciana was related only to the hydrophobicity of the substituents.

• 社団法人 日本農芸化学会の論文

著者

• Takayama Chiyozo

  Pesticides Research Laboratory Takarazuka Research Center Sumitomo Chemical Co. Ltd.

• KIRINO Osamu

  Pesticide Chemistry and Toxicology Laboratory, Department of Entomological Sciences, University of California, Berkeley

• HISADA Yoshio

  Pesticide Research Laboratory, Takarazuka Research Center, Sumitomo Chemical Co., Ltd.

• FUJINAMI Akira

  Pesticides Research Laboratory, Takarazuka Research Center, Sumitomo Chemical Co., Ltd.

関連論文

• Quantitative Structure-Activity Relationships of the Fungicidal and Herbicidal Thiolcarbamates(Pesticide Chemistry)
• N-Phenyl-maleimides, -isomaleimides and -maleamic Acids as Selective Herbicide Antidotes
• Structure-Activity Relationships in Fungicidal 1-(2-Benyl-3, 3-dimethylbutanoyl)imidazoles and Related Compounds
• Quantitative Structure-Activity Relationships for Antifungal 3-(3, 5-Dichlorophenyl)-2, 4-imidazolidinediones

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