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Benzoyl urea derivative and use thereof

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专利汇可以提供Benzoyl urea derivative and use thereof专利检索,专利查询,专利分析的服务。并且NEW MATERIAL:A benzoyl urea derivative of formula I (R
1 is 1-4C alkyl; R
2 is H, 1-4C alkyl).
EXAMPLE: N-2, 6-Difluorobenzoyl-N-methyl-N'-[2-fluoro-4-(1, 1, 2, 2- tetrafluoroethoxy) phenyl] urea.
USE: An insecticide exhibiting prominent activity against injurious insects such as Lepidoptera, Diptera, Coleoptera and Hymenoptera insects, especially the larvae, young insects and eggs thereof and also having a sterilization activity to the insects.
PREPARATION: A compound of formula II is reacted with a compound of formula III or a compound of formula IV, V or VI is reacted with an alkyl halide to prepare the compound of formula I. The compound of formula I can be prepared at a relatively low cost, is safe for useful organisms in water tanks due to the high decomposability thereof and can be mixed with animal feeds to control the larvae and eggs of insects living in the excrements thereof due to the low toxicity to warm-blooded animals.
COPYRIGHT: (C)1992,JPO&Japio,下面是Benzoyl urea derivative and use thereof专利的具体信息内容。

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