Process for Preparing Sulfimines and Their in-situ Conversion into N-(1-Amino-Benzoyl)-Sulfimines
    1.
    发明申请
    Process for Preparing Sulfimines and Their in-situ Conversion into N-(1-Amino-Benzoyl)-Sulfimines 审中-公开
    制备亚磺酰亚胺及其原位转化成N-(1-氨基 - 苯甲酰基) - 亚磺酰胺的方法

    公开(公告)号:US20160046572A1

    公开(公告)日:2016-02-18

    申请号:US14778771

    申请日:2014-03-27

    Applicant: BASF SE

    Abstract: The present invention relates to a process for preparing a compound of the formulae (Ia) or (Ib), or a mixture thereof, wherein R1 and R2 independently of one another are hydrogen, C1-C10-alkyl, C1-C10-haloalkyl, C3-C10-cycloalkyl, C3-C10-halocycloalkyl, C2-C10-alkenyl, C2-C10-haloalkenyl or together represent an aliphatic chain, or the like; A− is HSO4− or 1/2 SO42−; the process comprising the reaction of a sulfide of formula SR1R2 with hydroxylamineO-sulfonic acid of formula; wherein the reaction is carried out in an aqueous medium in the presence of a base. The present invention also relates to a process for preparing a compound of the formula (IV), wherein R3 is halogen, cyano, C1-C8-alkyl, C1-C8-haloalkyl, C3-C8-cycloalkyl, C3-C8-halocycloalkyl, C2-C8-alkenyl, C2-C8-haloalkenyl, C1-C8-alkoxy, phenyl, or the like; R4 is hydrogen, C1-C10-alkyl, C1-C10-haloalkyl, C3-C8-cycloalkyl, C3-C8-halocycloalkyl, C2-C10-alkenyl, C2-C10-haloalkenyl, phenyl, or the like; p is 0, 1, 2, 3 or 4; the process comprising: (i) providing the compound of the formulae (Ia) or (Ib), or a mixture thereof, (ii) reacting a compound of the formulae (Ia) or (Ib), or a mixture thereof, obtained in step (i) with a compound of the formula (V) in the presence of a base,

    Abstract translation: 本发明涉及制备式(Ia)或(Ib)化合物或其混合物的方法,其中R 1和R 2彼此独立地是氢,C 1 -C 10 - 烷基,C 1 -C 10 - 卤代烷基, C 3 -C 10 - 环烷基,C 3 -C 10 - 卤代环烷基,C 2 -C 10 - 烯基,C 2 -C 10 - 卤代烯基或一起代表脂族链等; A-是HSO4-或1/2 SO42-; 该方法包括式SR 1 R 2的硫化物与式的羟胺O-磺酸的反应; 其中反应在碱的存在下在水性介质中进行。 本发明还涉及制备式(IV)化合物的方法,其中R 3是卤素,氰基,C 1 -C 8 - 烷基,C 1 -C 8 - 卤代烷基,C 3 -C 8 - 环烷基,C 3 -C 8 - 卤代环烷基, C 2 -C 8 - 烯基,C 2 -C 8 - 卤代烯基,C 1 -C 8 - 烷氧基,苯基等; R4是氢,C1-C10-烷基,C1-C10-卤代烷基,C3-C8-环烷基,C3-C8-卤代环烷基,C2-C10-烯基,C2-C10-卤代烯基,苯基等; p是0,1,2,3或4; 该方法包括:(i)提供式(Ia)或(Ib)化合物或其混合物,(ii)使式(Ia)或(Ib)化合物或其混合物 步骤(i)与式(Ⅴ)化合物在碱的存在下反应,

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