Process for preparing 2,2-difluoroethylamine derivatives by alkylating 2,2-difluoroethylamine
    2.
    发明授权
    Process for preparing 2,2-difluoroethylamine derivatives by alkylating 2,2-difluoroethylamine 有权
    通过烷基化2,2-二氟乙胺制备2,2-二氟乙胺衍生物的方法

    公开(公告)号:US09376389B2

    公开(公告)日:2016-06-28

    申请号:US14411173

    申请日:2013-06-24

    IPC分类号: C07D213/61

    CPC分类号: C07D213/61

    摘要: A method for preparing a 2,2-difluoroethylamine of the formula (III) in which 2,2-difluoroethylamine of the formula (I) is reacted with a halide of the formula (II) in the presence of a tertiary nitrogen base: where, in the formulae (II) and (III), Hal and A are defined as stated in the description.

    摘要翻译: 一种制备式(III)的2,2-二氟乙胺的方法,其中式(I)的2,2-二氟乙胺与式(II)的卤化物在叔氮碱的存在下反应:其中 在式(II)和(III)中,Hal和A如说明书所述定义。

    Process for preparing 1-alkyl-3-fluoroalkyl-1H-pyrazole-4-carboxylic acid chlorides
    3.
    发明授权
    Process for preparing 1-alkyl-3-fluoroalkyl-1H-pyrazole-4-carboxylic acid chlorides 有权
    1-烷基-3-氟烷基-1H-吡唑-4-羧酸氯化物的制备方法

    公开(公告)号:US09145369B2

    公开(公告)日:2015-09-29

    申请号:US14400359

    申请日:2013-05-10

    IPC分类号: C07D231/14

    CPC分类号: C07D231/14

    摘要: The present invention relates to a novel method for preparing 1-alkyl-3-fluoroalkyl-1H-pyrazole-4-carbonyl chlorides, a useful precursor for the preparation of fungicides, by means of reductive dehalogenation, starting from N-alkyl-3-haloalkyl-5-halopyrazolecarbaldehyde.

    摘要翻译: 本发明涉及一种通过还原性脱卤制备1-烷基-3-氟烷基-1H-吡唑-4-羰基氯的制备方法,该方法是从N-烷基-3- 卤代烷基-5-卤代四氢甲醛。

    PROCESS FOR PREPARING 1-ALKYL-3-FLUOROALKYL-1H-PYRAZOLE-4-CARBOXYLIC ACID CHLORIDES
    8.
    发明申请
    PROCESS FOR PREPARING 1-ALKYL-3-FLUOROALKYL-1H-PYRAZOLE-4-CARBOXYLIC ACID CHLORIDES 有权
    制备1-烷基-3-氟代烷基-1H-吡唑-4-羧酸氯化物的方法

    公开(公告)号:US20150126748A1

    公开(公告)日:2015-05-07

    申请号:US14400359

    申请日:2013-05-10

    IPC分类号: C07D231/14

    CPC分类号: C07D231/14

    摘要: The present invention relates to a novel method for preparing 1-alkyl-3-fluoroalkyl-1H-pyrazole-4-carbonyl chlorides, a useful precursor for the preparation of fungicides, by means of reductive dehalogenation, starting from N-alkyl-3-haloalkyl-5-halopyrazolecarbaldehyde.

    摘要翻译: 本发明涉及一种通过还原性脱卤制备1-烷基-3-氟烷基-1H-吡唑-4-羰基氯的制备方法,该方法是从N-烷基-3- 卤代烷基-5-卤代四氢甲醛。

    Process for the preparation of 5-fluoro-1H-pyrazoles
    10.
    发明授权
    Process for the preparation of 5-fluoro-1H-pyrazoles 有权
    5-氟-1H-吡唑的制备方法

    公开(公告)号:US09302994B2

    公开(公告)日:2016-04-05

    申请号:US14414254

    申请日:2013-07-17

    IPC分类号: C07D231/16

    CPC分类号: C07D231/16

    摘要: A new process for the preparation of 5-fluoro-1H-pyrazoles of the general formula (I) is described, resulting from the reaction of an olefin of the general formula (II) with hydrazines of the formula (III) R1—NH—NH2  (III), wherein R1 is selected from C1-C6 alkyl, C5-C10 aryl; R2 is a trihalomethyl moiety with at least one fluorine atom; and R3 is selected from C1-C5 haloalkyl, CF3, C2F5, C3F7, CF2CF2Cl, CFClCF3, in the presence of water and a base.

    摘要翻译: 描述了制备通式(I)的5-氟-1H-吡唑的新方法,由通式(II)的烯烃与式(III)的肼反应制得R1-NH- NH 2(III),其中R 1选自C 1 -C 6烷基,C 5 -C 10芳基; R2是具有至少一个氟原子的三卤甲基部分; 并且在水和碱的存在下,R 3选自C 1 -C 5卤代烷基,CF 3,C 2 F 5,C 3 F 7,CF 2 CF 2 Cl,CFClCF 3。