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113 条记录 (耗时 0.026 秒)

    N-pyridinylsulfonyl-N'-pyrimidinylures
    91.
    发明授权
    N-pyridinylsulfonyl-N'-pyrimidinylures 失效
    N-吡啶基磺酰基-N'-嘧啶基

    公开(公告)号：US4875923A

    公开(公告)日：1989-10-24

    申请号：US114993

    申请日：1987-10-26

    申请人： Rolf Schurter ,  Willy Meyer ,  Werner Fory

    发明人： Rolf Schurter ,  Willy Meyer ,  Werner Fory

    IPC分类号： A01N47/36 ,  C07D307/64 ,  C07D307/82 ,  C07D333/00 ,  C07D333/34 ,  C07D333/38 ,  C07D333/62 ,  C07D409/12 ,  C07D521/00

    CPC分类号： C07D333/62 ,  A01N47/36 ,  C07D333/34 ,  C07D333/38 ,  C07D521/00

    摘要： N-Pyridinylsulfonyl-N'-pyrimidinylureas and N-pyridinylsulfonyl-N'-triazinylureas of the formula ##STR1## wherein E is nitrogen or the methine bridge,Z is oxygen or sulfur,R.sup.4 is hydrogen or C.sub.1 -C.sub.4 alkyl,R.sup.5 and R.sup.6 are each independently hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 haloalkoxy, C.sub.2 -C.sub.4 -alkylthio, C.sub.3 -C.sub.6 cycloalkyl or --NR.sup.12 R.sup.13,G is a ##STR2## R.sup.1 is hydrogen, halogen, nitro, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, trifluoromethyl, trifluoromethoxy, difluoromethoxy, C.sub.1 -C.sub.4 alkyl carbonyl or --COOR.sup.14,R.sup.3 is a ##STR3## group, n is 0, 1 or 2,R.sup.8 is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, halogen, C.sub.1 -C.sub.4 haloalkyl, nitro, --COOR.sup.14, C.sub.1 -C.sub.4 haloalkoxy, --O--CR.sup.15 R.sup.16 --CN,R.sup.9 is hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.2 -C.sub.4 alkoxyalkyl oder C.sub.2 -C.sub.4 alkoxylkoxy,R.sup.10 and R.sup.11 are each independently hydrogen or C.sub.1 -C.sub.4 alkyl,R.sup.12 and R.sup.13 are each independently hydrogen or C.sub.1 -C.sub.4 alkyl,R.sup.14 is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.2 -C.sub.4 alkenyl, C.sub.3 -C.sub.4 alkynyl, or is C.sub.1 -C.sub.4 alkyl which is substituted by C.sub.1 -C.sub.4 alkoxy, halogen or phenyl, andR.sup.15 and R.sup.16 are each independently hydrogen or C.sub.1 -C.sub.4 alkyl, and the salts thereof have useful selective herbicidal properties for controlling weeds in crops of useful plants.

    摘要翻译： N-吡啶基磺酰基-N'-嘧啶基脲和式（I）的N-吡啶基磺酰基-N'-三嗪基脲其中E是氮或次甲基桥，Z是氧或硫，R4是氢或C1-C4烷基，R5 和R 6各自独立地为氢，卤素，C 1 -C 4烷基，C 1 -C 4卤代烷基，C 1 -C 4烷氧基，C 1 -C 4卤代烷氧基，C 2 -C 4 - 烷硫基，C 3 -C 6环烷基或-NR 12 R 13，G为R 1为氢，卤素， 硝基，C 1 -C 4烷基，C 1 -C 4烷氧基，三氟甲基，三氟甲氧基，二氟甲氧基，C 1 -C 4烷基羰基或-COOR 14，R 3是一个基团，n是0,1或2，R 8是氢，C 1 -C 4烷基， C4烷氧基，卤素，C1-C4卤代烷基，硝基，-COOR14，C1-C4卤代烷氧基，-O-CR15R16-CN，R9是氢，卤素，C1-C4烷基，C1-C4烷氧基，C2-C4烷氧基烷基，C2-C4烷氧基烷氧基，R10和R11是 各自独立地为氢或C 1 -C 4烷基，R 12和R 13各自独立地为氢或C 1 -C 4烷基，R 14为氢，C 1 -C 4烷基，C 2 -C 4链烯基，C 3 -C 4炔基，或为被C 1 -C 4烷氧基，卤素 o R苯基，R15和R16各自独立地为氢或C1-C4烷基，其盐具有有用的选择性除草性质，用于控制有用植物作物中的杂草。

    Pyrimidinylsulfonyl carbamates and thiocarbamates
    92.
    发明授权
    Pyrimidinylsulfonyl carbamates and thiocarbamates 失效
    嘧啶基磺酰氨基甲酸酯和硫代氨基甲酸酯

    公开(公告)号：US4804757A

    公开(公告)日：1989-02-14

    申请号：US50656

    申请日：1987-05-18

    申请人： Beat Bohner ,  Werner Fory ,  Rolf Schurter ,  Georg Pissiotas

    发明人： Beat Bohner ,  Werner Fory ,  Rolf Schurter ,  Georg Pissiotas

    IPC分类号： A01N47/36 ,  C07D237/00 ,  C07D237/18 ,  C07D239/00 ,  C07D239/38 ,  C07D239/42 ,  C07D241/00 ,  C07D241/18 ,  C07D251/00 ,  C07D403/12 ,  C07D521/00 ,  C07D239/30 ,  C07D239/34

    CPC分类号： C07D521/00 ,  A01N47/36 ,  C07D237/18 ,  C07D241/18

    摘要： The invention relates to novel suylfonylureas of the formula I ##STR1## wherein R.sub.1 is hydrogen or C.sub.1 -C.sub.5 alkyl,R.sub.2 and R.sub.3, each independently of the other, are hydrogen, C.sub.1 -C.sub.5 alkyl, C.sub.1 -C.sub.5 alkoxy, C.sub.1 -C.sub.5 alkylthio, C.sub.1 -C.sub.5 haloalkyl, halogen, C.sub.1 -C.sub.5 haloalkylthio, C.sub.1 -C.sub.4 alkylamino, C.sub.1 -C.sub.4 dialkylamino, an alkoxyalkyl group or alkoxyalkoxy group, each containing not more than 6 carbon atoms,Z is oxygen or sulfur,E is --CH.dbd. or --N.dbd., andQ is an unsubstituted or substituted 6-membered heterocyclic radical containing 2 to 3 nitrogen atoms and bound through a carbon atom,and the salts thereof.A process for the preparation of the novel compounds and the use thereof are also described. The compounds of formula I can be used in the form of agriculturally useful compositions for controlling weeds and/or for selectively influencing plant growth.

    摘要翻译： 本发明涉及式I（I）的新型磺酰基脲，其中R 1是氢或C 1 -C 5烷基，R 2和R 3各自独立地是氢，C 1 -C 5烷基，C 1 -C 5烷氧基，C 1 -C 5烷硫基， 各自含有不超过6个碳原子，Z为氧或硫的C 1 -C 5卤代烷基，卤素，C 1 -C 5卤代烷硫基，C 1 -C 4烷基氨基，C 1 -C 4二烷基氨基，烷氧基烷基或烷氧基烷氧基，E为-CH =或-N = 并且Q是含有2至3个氮原子并通过碳原子结合的未取代或取代的6元杂环基及其盐。 还描述了制备新化合物的方法及其用途。 式I化合物可以用于控制杂草和/或选择性地影响植物生长的农业上有用的组合物的形式。

    Herbicidal sulfonylureas
    93.
    发明授权
    Herbicidal sulfonylureas 失效
    除草磺酰脲类

    公开(公告)号：US4778513A

    公开(公告)日：1988-10-18

    申请号：US908768

    申请日：1986-09-18

    申请人： Willy Meyer ,  Werner Fory

    发明人： Willy Meyer ,  Werner Fory

    IPC分类号： C07D251/16 ,  A01N47/36 ,  C07D213/70 ,  C07D213/71 ,  C07D239/47 ,  C07D239/52 ,  C07D251/46 ,  C07D401/12 ,  C07D521/00 ,  A01N43/66 ,  C07D251/70

    CPC分类号： C07D213/70 ,  A01N47/36 ,  C07D521/00

    摘要： Substituted N-arylsulfonyl-N'-pyrimidinylureas and N-arylsulfonyl-N'-triazinylureas of the general formula ##STR1## wherein R.sup.1 is a ##STR2## R.sup.2 is hydrogen, halogen, nitro, C.sub.1 -C.sub.3 alkyl, C.sub.1 -C.sub.3 alkoxy or --COOR.sup.9,R.sup.3 is hydrogen, C.sub.1 -C.sub.3 alkyl or C.sub.1 -C.sub.3 alkoxy,R.sup.4 and R.sup.5 are each independently of the other hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 haloalkoxy, C.sub.1 -C.sub.4 alkylthio, C.sub.1 -C.sub.4 haloalkylthio, C.sub.2 -C.sub.4 alkoxyalkyl, C.sub.3 -C.sub.6 -cycloalkyl or --NR.sup.10 R.sup.11,R.sup.6 is hydrogen or C.sub.1 -C.sub.3 alkyl,R.sup.7 is hydrogen or methyl,R.sup.8 is C.sub.4 -C.sub.6 cycloalkanonyl which is unsubstituted or substituted by C.sub.1-C.sub.3 alkyl or halogen; C.sub.3 -C.sub.6 cycloalkyl which is unsubstituted or substituted by one or more identical or different members selected from the group consisting of C.sub.1 -C.sub.3 alkyl, C.sub.1 -C.sub.3 alkoxy, halogen or cyano; or is C.sub.5 -C.sub.6 cycloalkenyl which is unsubstituted or substituted by C.sub.1 14 C.sub.3 alkyl, halogen or cyano,R.sup.9 is C.sub.1 -C.sub.3 alkyl or allyl,R.sup.10 and R.sup.11 are each independently of the other hydrogen or C.sub.1 -C.sub.4 alkyl,n is 0 or 1,X is sulfur or oxygen, andE and Z are each independently of the other nitrogen or the methine bridge, with the proviso that R.sup.8 is only unsubstituted or substituted C.sub.3 -C.sub.6 cycloalkyl if at the same time Z is nitrogen,and the salts of these compounds with amines, alkali metal bases or alkaline earth metal bases, have good pre- and postemergence selective herbicidal and growth regulating properties.

    摘要翻译： 取代的N-芳基磺酰基-N'-嘧啶基脲和通式为其中R 1是R 2的N-芳基磺酰基-N'-三嗪基脲是其中R 1是氢，卤素，硝基，C 1 -C 3烷基，C 1 -C 3烷氧基 或-COOR 9，R 3为氢，C 1 -C 3烷基或C 1 -C 3烷氧基，R 4和R 5各自独立地为氢，卤素，C 1 -C 4烷基，C 1 -C 4卤代烷基，C 1 -C 4烷氧基，C 1 -C 4卤代烷氧基，C 1 -C 4烷硫基， C 4卤代烷硫基，C 2 -C 4烷氧基烷基，C 3 -C 6环烷基或-NR 10 R 11，R 6是氢或C 1 -C 3烷基，R 7是氢或甲基，R 8是未被取代或被C 1 -C 3烷基或卤素取代的C 4 -C 6环烷酰基; 未被取代或被一个或多个选自C 1 -C 3烷基，C 1 -C 3烷氧基，卤素或氰基的相同或不同的成员取代的C 3 -C 6环烷基; 或者是未被取代或被C114 C3烷基，卤素或氰基取代的C 5 -C 6环烯基，R 9为C 1 -C 3烷基或烯丙基，R 10和R 11各自独立地为另一个氢或C 1 -C 4烷基，n为0或1，X为硫 或氧，并且E和Z各自独立地为另一个氮或次甲基桥，条件是如果同时Z是氮，则R8仅为未取代的或取代的C 3 -C 6环烷基，并且这些化合物与胺的盐， 碱金属碱或碱土金属碱，具有良好的芽前和芽后选择性除草和生长调节性质。

    N-phenylsulfonyl-N'-pyrimidinylureas
    95.
    发明授权
    N-phenylsulfonyl-N'-pyrimidinylureas 失效
    N-苯基磺酰基-N'-嘧啶基脲

    公开(公告)号：US4693741A

    公开(公告)日：1987-09-15

    申请号：US740937

    申请日：1985-06-03

    申请人： Willy Meyer ,  Werner Fory

    发明人： Willy Meyer ,  Werner Fory

    IPC分类号： C07D239/42 ,  A01N47/36 ,  C07D239/46 ,  C07D239/48 ,  C07D239/52 ,  C07D239/56 ,  C07D251/46 ,  C07D521/00 ,  C07D239/69 ,  A01N43/54

    CPC分类号： C07D239/47 ,  A01N47/36 ,  C07D239/48 ,  C07D239/52 ,  C07D239/56 ,  C07D251/46 ,  C07D521/00

    摘要： N-Phenylsulfonyl-N'-pyrimidinyl- and -triazinylureas of the general formula ##STR1## and the salts of these compounds with amines, alkali metal or alkaline earth metal bases or quaternary ammonium bases have good pre-emergence and post-emergence selective herbicidal properties and growth-regulating properties.In this formula, A is a C.sub.1 -C.sub.6 -alkyl radical which is substituted by halogen, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkylthio, C.sub.1 -C.sub.4 -alkylsulfinyl, C.sub.1 -C.sub.4 -alkylsulfonyl, C.sub.1 -C.sub.4 -halogenoalkoxy, C.sub.1 -C.sub.4 -halogenoalkylthio, C.sub.1 -C.sub.4 -halogenoalkylsulfinyl or C.sub.1 -C.sub.4 -halogenoalkylsulfonyl, or is a C.sub.2 -C.sub.6 -alkenyl radical substituted by the above radicals, E is the methine group or nitrogen, X is oxygen, sulfur or a sulfinyl or sulfonyl bridge, Z is oxygen or sulfur, m is the number one or two, R.sub.1 is hydrogen, halogen, C.sub.1 -C.sub.5 -alkyl, C.sub.2 -C.sub.5 -alkenyl or a --Y--R.sub.5 radical, R.sub.2 is hydrogen, halogen, C.sub.1 -C.sub.5 -alkyl, C.sub.2 -C.sub.5 -alkenyl, C.sub.1 -C.sub.4 -halogenoalkyl or a --Y--R.sub.5, --COOR.sub.6, --NO.sub.2 or --CO--NR.sub.7 --R.sub.8 radical, R.sub.3 is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkylthio, C.sub.1 -C.sub.4 -halogenoalkyl, halogen, C.sub.1 -C.sub.4 -halogenoalkoxy or alkoxyalkyl having not more than 4 carbon atoms, R.sub.4 is C.sub.1 -C.sub.4 -halogenoalkoxy or C.sub.1 -C.sub.4 -halogenoalkylthio, R.sub.5 and R.sub.6 are each C.sub.1 -C.sub.5 -alkyl, C.sub.2 -C.sub.5 -alkenyl or C.sub.2 -C.sub.6 -alkynyl, R.sub.7 and R.sub.8 independently of one another are hydrogen, C.sub.1 -C.sub.5 -alkyl, C.sub.2 -C.sub.5 -alkenyl or C.sub.2 -C.sub.6 -alkynyl and Y is oxygen, sulfur or a sulfinyl or sulfonyl bridge, and A can also be an unsubstituted C.sub.2 -C.sub.6 -alkenyl radical if X is simultaneously oxygen.

    摘要翻译： 具有通式“IMAGE”的N-苯基磺酰基-N'-嘧啶基 - 和 - 三嗪基脲以及这些化合物与胺，碱金属或碱土金属碱或季铵碱的盐具有良好的出苗前和出芽后选择性除草 性质和生长调节性质。 在该式中，A是被卤素，C 1 -C 4 - 烷氧基，C 1 -C 4 - 烷硫基，C 1 -C 4 - 烷基亚磺酰基，C 1 -C 4 - 烷基磺酰基，C 1 -C 4卤代烷氧基，C 1 -C 4 - C 1-4卤代烷硫基，C 1 -C 4卤代烷基亚磺酰基或C 1 -C 4卤代烷基磺酰基，或者是被上述基团取代的C 2 -C 6烯基，E是次甲基或氮，X是氧，硫或亚磺酰基或磺酰基 桥，Z是氧或硫，m是数1或2，R1是氢，卤素，C1-C5-烷基，C2-C5-烯基或-Y-R5基，R2是氢，卤素，C1-C5 - 烷基，C2-C5-烯基，C1-C4-卤代烷基或-Y-R5，-COOR6，-NO2或-CO-NR7-R8基，R3是氢，C1-C4-烷基，C1-C4-烷氧基 C1-C4-烷硫基，C1-C4-卤代烷基，卤素，C1-C4-卤代烷氧基或不多于4个碳原子的烷氧基烷基，R4是C1-C4-卤代烷氧基或C1-C4-卤代烷硫基，R5和R6分别是C1 C 1 -C 5 - 烷基，C 2 -C 5 - 烯基或C 2 -C 6炔基，R 7和R 8彼此独立地是氢，C 1 -C 5 - 烷基，C 2 -C 5 - 烯基或C 2 -C 6 - 炔基，Y是氧，硫或亚磺酰基或磺酰基桥，如果X同时为氧，则A也可以是未取代的C 2 -C 6 - 烯基。

    Phenyl sulfonamides
    99.
    发明授权
    Phenyl sulfonamides 失效
    苯磺酰胺

    公开(公告)号：US4629810A

    公开(公告)日：1986-12-16

    申请号：US693481

    申请日：1985-01-22

    申请人： Willy Meyer ,  Werner Fory

    发明人： Willy Meyer ,  Werner Fory

    IPC分类号： C07D239/42 ,  A01N41/06 ,  A01N43/66 ,  A01N47/36 ,  A01P13/00 ,  C07C20060101 ,  C07C67/00 ,  C07C301/00 ,  C07C311/00 ,  C07C311/29 ,  C07C313/00 ,  C07C317/14 ,  C07C317/18 ,  C07C317/22 ,  C07C317/44 ,  C07C323/12 ,  C07C323/67 ,  C07D239/46 ,  C07D239/47 ,  C07D239/52 ,  C07D239/56 ,  C07D251/14 ,  C07D251/16 ,  C07D251/22 ,  C07D251/42 ,  C07D251/44 ,  C07D251/46 ,  C07D521/00 ,  C07C143/78

    CPC分类号： C07D521/00 ,  A01N47/36

    摘要： N-phenylsulfonyl-N'-pyrimidinyl- and -triazinylureas of the general formula ##STR1## and the salts thereof with amines, alkali metal or alkaline earth metal bases or with quaternary ammonium bases, have good pre- and postemergence selective herbicidal and growth regulating properties. In the above formulaA is a C.sub.1 -C.sub.6 alkyl radical which is substituted by C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylthio, C.sub.1 -C.sub.4 alkylsulfinyl, C.sub.1 -C.sub.4 alkylsulfonyl, C.sub.1 -C.sub.4 haloalkoxy, C.sub.1 -C.sub.4 haloalkylthio, C.sub.1 -C.sub.4 haloalkylsulfinyl or C.sub.1 -C.sub.4 haloalkylsulfonyl, or a C.sub.2 -C.sub.6 alkenyl radical which is unsubstituted or substituted by the above substituents, or is a C.sub.2 -C.sub.6 haloalkenyl radical,E is the methine group or nitrogen,X is oxygen, sulfur, a sulfinyl or sulfonyl bridge,Z is oxygen or sulfur,m is 1 or 2,R.sub.1 is hydrogen, halogen, C.sub.1 -C.sub.5 alkyl, C.sub.2 -C.sub.5 alkenyl or a radical --Y--R.sub.5,R.sub.2 is hydrogen, halogen, C.sub.1 -C.sub.5 alkyl, C.sub.2 -C.sub.5 alkenyl, C.sub.1 -C.sub.4 haloalkyl, or a radical --Y--R.sub.5, --COOR.sub.6, --NO.sub.2 or --CO--NR.sub.7 --R.sub.8,R.sub.3 and R.sub.4, each independently of the other, are hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylthio, C.sub.1 -C.sub.4 haloalkyl, halogen or alkoxyalkyl of at most 4 carbon atoms,R.sub.5 and R.sub.6, each independently of the other, are C.sub.1 -C.sub.5 alkyl, C.sub.2 -C.sub.5 alkenyl or C.sub.2 -C.sub.6 alkynyl,R.sub.7 and R.sub.8, each independently of the other, are hydrogen, C.sub.1 -C.sub.5 alkyl, C.sub.2 -C.sub.5 alkenyl or C.sub.2 -C.sub.6 alkynyl, andY is oxygen, sulfur, a sulfinyl or sulfonyl bridge.

    摘要翻译： 具有通式“IMAGE”的N-苯基磺酰基-N'-嘧啶基 - 和 - 三嗪基脲及其与胺，碱金属或碱土金属碱或季铵碱的盐具有良好的芽前和芽后选择性除草和生长调节 属性。 在上式中A是被C 1 -C 4烷氧基，C 1 -C 4烷硫基，C 1 -C 4烷基亚磺酰基，C 1 -C 4烷基磺酰基，C 1 -C 4卤代烷氧基，C 1 -C 4卤代烷硫基，C 1 -C 4卤代烷基亚磺酰基或C 1 -C 4卤代烷基磺酰基取代的C 1 -C 6烷基， C 6烯基，其未被取代或被上述取代基取代，或者是C 2 -C 6卤代烯基，E是次甲基或氮，X是氧，硫，亚磺酰基或磺酰基桥，Z是氧或硫，m是1 或2，R 1是氢，卤素，C 1 -C 5烷基，C 2 -C 5烯基或自由基-Y-R 5，R 2是氢，卤素，C 1 -C 5烷基，C 2 -C 5烯基，C 1 -C 4卤代烷基或基团-Y-R 5， -COOR 6，-NO 2或-CO-NR 7 -R 8，R 3和R 4各自独立地是氢，C 1 -C 4烷基，C 1 -C 4烷氧基，C 1 -C 4烷硫基，C 1 -C 4卤代烷基，卤素或至多4碳的烷氧基烷基 原子，R 5和R 6各自独立地为C 1 -C 5烷基，C 2 -C 5烯基或C 2 -C 6炔基，R 7和R 8各自独立地为氢，C 1 -C 5烷基，C 2 -C 5烯基o R C2-C6炔基，Y是氧，硫，亚磺酰基或磺酰基桥。

    Process for the preparation of 1,2-benzoxathiine derivatives
    100.
    发明授权
    Process for the preparation of 1,2-benzoxathiine derivatives 失效
    1,2-苯并恶嗪衍生物的制备方法

    公开(公告)号：US4603211A

    公开(公告)日：1986-07-29

    申请号：US656193

    申请日：1984-10-01

    申请人： Werner Fory

    发明人： Werner Fory

    IPC分类号： C07D307/79 ,  C07D327/06 ,  C07D521/00 ,  C07D307/28

    CPC分类号： C07D307/79 ,  C07D327/06 ,  C07D521/00

    摘要： A novel process for the preparation of 3,4-dihydro-2,2-dioxo-3-methyl-1,2-benzoxathiin-8-ylsulfonamide of the formula I ##STR1## reacting a 5-halo-2,3-dihydro-2-methylbenzo[b]furan of the formula II ##STR2## wherein Hal is chlorine or bromine, with chlorosulfonic acid to give a 6-halo-2,2-dioxo-3-methyl-1,2-benzoxathiin-8-ylsulfonyl chloride of formula III ##STR3## wherein Hal is chlorine or bromine, converting this sulfonyl chloride with ammonia into a 6-halo-2,2-dioxo-3-methyl-1,2-benzoxathiin-8-ylsulfonamide of formula IV ##STR4## wherein Hal is chlorine or bromine, dehalogenating this sulfonamide with hydrogen in the presence of a tertiary amine and a noble metal catalyst, and hydrogenating the resultant 2,2-dioxo-3-methyl-1,2-benzoxathiin-8-ylsulfonamide of formula V ##STR5## with hydrogen in the presence of a noble metal catalyst.

    摘要翻译： 制备式I的3,4-二氢-2,2-二氧代-3-甲基-1,2-苯并硫辛-8-基磺酰胺的新方法（I）使5-卤代-2- 其中Hal为氯或溴的式II化合物（II）的3-二氢-2-甲基苯并[b]呋喃与氯磺酸反应，得到6-卤代-2,2-二氧代-3-甲基-1,3-二氢 - （III）的2-苯并恶嗪-8-基磺酰氯其中Hal是氯或溴，将该磺酰氯与氨转化为6-卤代-2,2-二氧代-3-甲基-1,2-二氢 - 其中Hal是氯或溴的式IV的苯并恶嗪-8-基磺酰胺，其中Hal是氯或溴，在叔胺和贵金属催化剂的存在下，用氢将该磺酰胺脱卤，并将所得的2,2-二氧代-3 （V）的1-甲基-1,2-苯并硫氮杂-8-基磺酰胺与贵金属催化剂存在下进行。