专利汇可以提供Herbicide containing thiocarbamate derivative专利检索,专利查询,专利分析的服务。并且PURPOSE: A herbicide showing improved herbicidal effects and high selectivity for weeds such as Echinochloa crus-galli Beauv. var. praticola Ohwi., umbrella plant, etc. in paddy fields under flooding, having no phytotoxicity to crops such as transplanted paddy-rice plant, soybean, etc., containing a specific thiocarbamate derivative as an active ingredient.
CONSTITUTION: The titled herbicide containing a thicarbamate derivative such as O-4-tert-butylphenyl N-methyl-N-(3-methylphenyl)thiocarbamate, etc. shown by the formula I (R is 1W5C alkyl; X and Y are H, halogen, lower alkyl, lower alkoxy, or CF
3 ) as an active ingredient. The compound shown by the formula I , for example, is obtained by reacting a compound shown by the formula I , such as a phenol derivative shown by the formula II, with a thiocarbamoyl halide derivative shown by the formula III (Hal is halogen) in a solvent or in the absence of a solvent in the presence of a dehydrohalogenating agent. Showing improved herbicidal effect especially on Echinochloa crus-galli Beauv. var. praticola Ohwi. in a growing period(1W2 leaf period), having a wide application period. The application amount is 10W1,000g/10 a based on the active gradient.
COPYRIGHT: (C)1984,JPO&Japio,下面是Herbicide containing thiocarbamate derivative专利的具体信息内容。
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