PROCESSES FOR MAKING TETRAZOLINONE COMPOUNDS
    13.
    发明公开

    公开(公告)号:US20230242493A1

    公开(公告)日:2023-08-03

    申请号:US17766286

    申请日:2020-10-20

    申请人: BASF SE

    IPC分类号: C07D257/04

    CPC分类号: C07D257/04

    摘要: Process for making a compound represented by formula (3), comprising the following steps: a) reacting an azide compound with a compound represented by formula (1) to yield compound (2), compound (2) being a compound represented by formula (2) or its salts, b) methylating compound (2) obtained in step a) using a methylating agent to obtain compound (3), wherein R1 denotes a hydrocarbon rest, and wherein in step a) a solvent system A and in step b) a solvent system B is used, wherein both solvent systems A and B comprise one dipolar aprotic solvent or a mixture of dipolar aprotic solvents as the main component, and wherein steps a) and b) are carried without isolating the compound (2) obtained in step a).

    Process for manufacturing haloacetamides
    15.
    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
    17.
    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。