2010•Nongyaoxue xuebaoRequires access

Synthesis and fungicidal activity of 2-oxocyclohexylsulfonamides containing fluorine

Daoquan Wang

Abstract

Nine novel 2-oxocyclohexylsulfonamides containing fluorine were synthesized from cyclohexanone and their structures were confirmed by 1H NMR,13C NMR and elemental analysis.Preliminary bioassay showed some of them exhibit some fungicidal activity against six fungi tested.Among them,3e has good fungicidal activity against Rhizoctonia solani and Botrytis cinerea,and 3h and 3i have good fungicidal activity against Botrytis cinerea and Sclerotinia sclerotiorum.The inhibition rate is larger than 90% at 50 μg/mL.

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Key concepts: Botrytis cinerea, Rhizoctonia solani, Sclerotinia sclerotiorum, Fungicide, Bioassay, Chemistry, Cyclohexanone, Rhizoctonia