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Bayer CropScience KK
Original Assignee
Nihon Tokushu Noyaku Seizo KK
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Filing date
Publication date
Application filed by Nihon Tokushu Noyaku Seizo KKfiledCriticalNihon Tokushu Noyaku Seizo KK
Priority to JP3455481ApriorityCriticalpatent/JPS57149205A/en
Publication of JPS57149205ApublicationCriticalpatent/JPS57149205A/en
USE: Herbicide having low toxicity against warm-blooded animals, no phytotoxicity to cultivated plants at normal application concentration, excellent safety, remarkably herbicidal activity, and broad herbicidal spectrum. It exhibits excellent effect to the weeds in the paddy field by applying as a soil treating agent or a foliar and soil treating agent before the germination of the weeds. Rate of application: preferably 0.2W1kg of the active compound per 1ha.
PROCESS: The compound of formulaIcan be prepared by reacting the compound of formula II (M is H or alkali metal) with the halogenoacetic acid anilide of formula III (Hal is halogen) in an inert solvent or diluent in the presence of an acid acceptor at 0W100°C under normal pressure.