Process for manufacturing haloacetamides
    3.
    发明授权
    Process for manufacturing haloacetamides 有权
    制备卤代乙酰胺的方法

    公开(公告)号:US09546130B2

    公开(公告)日:2017-01-17

    申请号:US14902890

    申请日:2014-06-04

    申请人: BASF SE

    摘要: The present invention relates to a process for manufacturing haloacetamides of formula (I), comprising sub-step (a): reacting halones of formula (II) with oleum; followed by sub-step (b): reacting the reaction mixture obtained in sub-step (a) with an amine of formula (IV) optionally in the presence of a base; wherein the variables are defined according to the description.

    摘要翻译: 本发明涉及一种制备式(I)的卤代乙酰胺的方法,其包括以下步骤(a):使式(II)的卤酮与发烟硫酸反应; 然后是亚步骤(b):使在步骤(a)中获得的反应混合物与式(IV)的胺任选地在碱的存在下反应; 其中根据描述定义变量。

    Process for preparing 2-(aminomethylidene)-4,4-difluoro-3-oxobutyric esters
    5.
    发明授权
    Process for preparing 2-(aminomethylidene)-4,4-difluoro-3-oxobutyric esters 有权
    制备2-(氨基亚甲基)-4,4-二氟-3-氧代丁酸酯的方法

    公开(公告)号:US08592578B2

    公开(公告)日:2013-11-26

    申请号:US13653615

    申请日:2012-10-17

    申请人: BASF SE

    摘要: The present invention relates to a process for preparing difluoromethyl-substituted pyrazol-4-ylcarboxylic acids and their esters, 2-(aminomethylidene)-4,4-difluoro-3-oxobutteric esters of the formula (I) in which R1, R2 and R3 independently of one another are C1-C6-alkyl, C1-C6-haloalkyl, C2-C6-alkenyl, C3-C10-cycloalkyl or benzyl or NR2R3 is a 5- to 10-membered heterocyclic radical, to a process for preparing compounds of the formula (I) wherein an appropriate 3-aminoacrylic ester is reacted with difluoroacetyl fluoride and to the use of compounds of the formula (I) in the process for preparing difluoromethyl-substituted pyrazol-4-ylcarboxylic acids and their esters.

    摘要翻译: 本发明涉及式(I)的二氟甲基取代的吡唑-4-基羧酸及其酯,2-(氨基亚甲基)-4,4-二氟-3-氧代苦味酯的方法,其中R 1,R 2和 R 3彼此独立地是C 1 -C 6 - 烷基,C 1 -C 6 - 卤代烷基,C 2 -C 6 - 烯基,C 3 -C 10 - 环烷基或苄基或NR 2 R 3是5-至10-元杂环基, 式(I)的化合物,其中适当的3-氨基丙烯酸酯与二氟乙酰氟反应,以及在制备二氟甲基取代的吡唑-4-基羧酸及其酯的方法中使用式(I)的化合物。