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Substituted phenylurea derivative, its preparation, and selective herbicide containing said compound

阅读:13发布:2020-11-26

专利汇可以提供Substituted phenylurea derivative, its preparation, and selective herbicide containing said compound专利检索,专利查询,专利分析的服务。并且NEW MATERIAL:The N-(2-quinolinemethoxy)phenyl-N'-alkyl-N'-alkoxyurea of formulaI(R
1 and R
2 are lower alkyl; two substituents of the benzene ring are meta or para).
USE: Selective herbicide having strong herbicidal activity against various weeds by soil treatment or foliar treatment, and high selective safety to important crops such as wheat, corn, rice, etc.
PROCESS: The compound of formulaIis prepared by reacting N-hydroxyphenyl- N'-alkyl-N'-alkoxyurea of formula II with 2-chloromethylquinoline of formula III in an organic solvent. The yield of the objective product can be increased by carrying out the reaction in the presence of a dehydrohalogenation agent such as pyridine, triethylamine, etc.
COPYRIGHT: (C)1982,JPO&Japio,下面是Substituted phenylurea derivative, its preparation, and selective herbicide containing said compound专利的具体信息内容。

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