[EN] PROCESS FOR PREPARING SULFIMINES AND THEIR IN-SITU CONVERSION INTO N-(2-AMINO-BENZOYL)-SULFIMINES<br/>[FR] PROCÉDÉ DE PRÉPARATION DE SULFIMINES ET LEUR CONVERSION IN SITU EN N-(2-AMINO-BENZOYL)SULFIMINES
申请人:BASF SE
公开号:WO2014154807A1
公开(公告)日:2014-10-02
The present invention relates to a process for preparing a compound of the formulae (la) or (lb), 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 hydroxylamine- O-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 (la) or (lb), or a mixture thereof, (ii) reacting a compound of the formulae (la) or (lb), or a mixture thereof, obtained in step (i) with a compound of the formula (V) in the presence of a base,
本发明涉及制备公式(la)或(lb)化合物或其混合物的过程,其中R1和R2分别独立地是氢,C1-C10-烷基,C1-C10-卤代烷基,C3-C10-环烷基,C3-C10-卤代环烷基,C2-C10-烯基,C2-C10-卤代烯基或者一起代表脂肪链等;A-是HSO4-或1/2 SO42-;该过程包括将公式SR1R2的硫化物与公式的羟胺-O-磺酸反应;其中在碱的存在下在水介质中进行反应。本发明还涉及一种制备公式(IV)化合物的过程,其中R3是卤素,氰基,C1-C8-烷基,C1-C8-卤代烷基,C3-C8-环烷基,C3-C8-卤代环烷基,C2-C8-烯基,C2-C8-卤代烯基,C1-C8-烷氧基,苯基或类似物;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,苯基或类似物;p为0、1、2、3或4;该过程包括:(i)提供公式(la)或(lb)化合物或其混合物;(ii)在碱的存在下,将步骤(i)中获得的公式(la)或(lb)化合物或其混合物与公式(V)的化合物反应。