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METHOD OF PREPARATION FOR COMPOSITION ACTIVE AGAINST MITES WHITE FLY AND THRIPS PHARMACEUTICAL COMPOSITION AND NEW BENZOYLUREA COMPOUNDS
METHOD OF PREPARATION FOR COMPOSITION ACTIVE AGAINST MITES WHITE FLY AND THRIPS PHARMACEUTICAL COMPOSITION AND NEW BENZOYLUREA COMPOUNDS
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机译:苍蝇蝇类药材组成成分的活性成分及新苯甲酰脲类化合物的制备方法
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摘要
The invention relates to a composition active against mites, whitefly and thrips, which comprises, in addition to a liquid or solid inert carrier material, a benzoylurea compound of the general formula IMAGE wherein R1 is hydrogen atom or represents 1 or 2 substituents which are selected from the group consisting of chlorine, methyl and trifluoromethyl, R2 is an alkyl group having 2-4 carbon atoms or a cycloalkyl group having 3 or 4 carbon atoms, R3 is a hydrogen atom or represents 1-3 substituents which are selected from the group consisting of halogen, and alkyl, alkoxy, haloalkyl and haloalkoxy having 1-4 carbon atoms, R4 and R5 are both fluorine atoms, or wherein R4 is a chlorine atom and R5 is a hydrogen atom, and X is an oxygen or sulphur atom. The composition may be used in a dosage of 10 to 5000 g of active substance per hectare. The invention further relates to pharmaceutical compositions comprising the above compounds. Finally the invention relates to new benzoylurea compounds and to the preparation thereof.
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