申请人:E.I. DU PONT DE NEMOURS AND COMPANY
公开号:EP0202762A1
公开(公告)日:1986-11-26
2-Butyl-N-[4,6-dimethoxypyrimidin-2-yl)-aminocarbonyl]-2,3-dihydro-5-methoxy-1,2-benzisothiazole-7-sulfonamide, S,S-dioxide, (Formula I), and its agriculturally suitable salts, shows a selective preemergent and postemergent activity, especially on sugar beet.
The novel compound may be made e.g. by reacting 2-butyl-2,3-dihydro-5-methoxy-1,2-benzisothiazole-7-sulfonamide-1,1-dioxide with phenyl-(4,6-dimethoxy-2-pyrimidin-2-yl-carbamate.
2-丁基-N-[4,6-二甲氧基嘧啶-2-基)-氨基甲酰]-2,3-二氢-5-甲氧基-1,2-苯并异噻唑-7-磺酰胺,S,S-二氧化物,(式I),及其在农业上适用的盐,表现出选择性的预发芽和后发芽活性,特别是对甜菜。该新化合物可以通过将2-丁基-2,3-二氢-5-甲氧基-1,2-苯并异噻唑-7-磺酰胺-1,1-二氧化物与苯基-(4,6-二甲氧基-2-嘧啶-2-基-氨基甲酸酯反应而制得。