2-クロロピリジン-3-カルボキサミド系殺菌剤の構造活性相関

DOI NDLデジタルコレクション 日本農学文献記事索引 Web Site Web Site 被引用文献5件

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タイトル別名
  • Structure-Activity Relationships of 2-Chloropyridine-3-carboxamide Fungicides
  • 2クロロピリジンー3-カルボキサミド系殺菌剤の構造活性相関〔英文〕
  • 2 クロロピリジン 3 カルボキサミドケイ サッキンザイ ノ コウゾウ カッセ

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説明

A number of N-(substituted-aryl)-2-chloropyridine-3-carboxamides were synthesized and their structure-activity relationships studied. A series of compounds showed potent fungicidal activity against grey mold caused by Botrytis cinerea, in addition to rice sheath blight caused by Rhizoctonia solani. In the case of fungicidal activity against grey mold, derivatives having alkyl groups at the ortho-position in the anilino moiety exhibited high activity. N-(Indan-4-yl) carboxamides having alkyl groups at the 3-position showed particularly high activity. The introduction of heteroatoms into the ring reduced the activity. The fungicidal activities of miscellaneous fused aryl derivatives were elevated as the length of alkyl substituents increased. With respect to activity against rice sheath blight, anilides substituted by alkoxy or alkyl groups at the meta-position showed high activity. Indanyl or miscellaneous fused aryl carboxamides having alkyl groups at the 1-position demonstrated notably high activity. Among the compounds of the series, N-(1, 1, 3-trimethylindan-4-yl)-2-chloropyridine-3-carboxamide (BC723) had the most potent activity against both diseases.

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