申请人:Duphar International Research B.V.
公开号:US04567295A1
公开(公告)日:1986-01-28
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 ##STR1## wherein R.sub.1 is hydrogen atom or represents 1 or 2 substituents which are selected from the group consisting of chlorine, methyl and trifluoromethyl, R.sub.2 is an alkyl group having 2-4 carbon atoms or a cycloalkyl group having 3 or 4 carbon atoms, R.sub.3 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, R.sub.4 and R.sub.5 are both fluorine atoms, or wherein R.sub.4 is a chlorine atom and R.sub.5 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.
本发明涉及一种对螨虫、白粉虱和蓟马具有活性的组合物,除了液体或固体惰性载体材料外,还包括一种苯甲酰脲化合物,其一般式为##STR1##其中R.sub.1是氢原子或代表1或2个取代基,所述取代基被选择自氯、甲基和三氟甲基的群组,R.sub.2是具有2-4个碳原子的烷基或具有3或4个碳原子的环烷基,R.sub.3是氢原子或代表1-3个取代基,所述取代基被选择自卤素和具有1-4个碳原子的烷基、烷氧基、卤代烷基和卤代烷氧基的群组,R.sub.4和R.sub.5均为氟原子,或其中R.sub.4是氯原子,R.sub.5是氢原子,X是氧原子或硫原子。该组合物可用于每公顷10至5000克有效物质的剂量。本发明还涉及包含上述化合物的制药组合物。最后,本发明涉及新的苯甲酰脲化合物及其制备方法。