Herbicidal sulfonamides, preparation and use thereof, compositions containing them, intermediates therefor and preparation of such intermediates
专利汇可以提供Herbicidal sulfonamides, preparation and use thereof, compositions containing them, intermediates therefor and preparation of such intermediates专利检索，专利查询，专利分析的服务。并且Compounds of the formulae
and
wherein:
A is selected from certain substituted amino, haloalkoxy or aryloxy groups; R 1 is hydrogen, halogen, nitro or various organic groups; R' 1 is H, Cl, F, Br, CH 3 or OCH 3 ; R, and R 5 are independently H or CH 3 but not both CH,; R 6 is a pyrimidyl or triazinyl residue which may be substituted; W is oxygen or sulfur; Z is CH or N; X, and Y, are H, CH 3 or various alkoxy groups, but cannot both be H; and B is selected from various aliphatic or aromatic organic groups; and their agriculturally suitable salts, exhibit potent herbicidal activity. Some may also exhibit plant growth regulant activity. The compounds (I) and (IA) can be formulated for use in conventional manner. The compounds (I) can be made inter alia by reacting an isocyanate or isothiocyanate of general formula with an amine HNR R m . The compounds (I) can be converted into compounds (IA) by reacting an alkali metal or alkaline earth metal salt thereof with an appropriate halide BI or BBr. The novel intermediates (IB) also form part of the invention. They can be made from the corresponding sulfonamide by various phosgenation reactions.，下面是Herbicidal sulfonamides, preparation and use thereof, compositions containing them, intermediates therefor and preparation of such intermediates专利的具体信息内容。
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