PROCESS FOR PRODUCING PYRIDAZINONE COMPOUND AND PRODUCTION INTERMEDIATES THEREOF
    1.
    发明申请
    PROCESS FOR PRODUCING PYRIDAZINONE COMPOUND AND PRODUCTION INTERMEDIATES THEREOF 有权
    生产吡啶酮化合物的方法及其生产中间体

    公开(公告)号:US20150376138A1

    公开(公告)日:2015-12-31

    申请号:US14767533

    申请日:2014-02-18

    CPC classification number: C07D237/14 C07C67/475 C07C69/675 C07D237/08

    Abstract: The present invention provides a process for producing a compound of the formula (1) wherein X represents a hydrogen atom, etc., and Y represents a hydrogen atom, etc., which comprises step 1 of reacting a compound of the formula (2) and a compound of the formula (3) in the presence of a Lewis acid wherein R represents a hydrogen atom, etc., to obtain an adduct, and step 2 of reacting the adduct obtained in the step 1 and hydrazine to obtain the compound of the formula (1).

    Abstract translation: 本发明提供了制备式(1)化合物的方法,其中X表示氢原子等,Y表示氢原子等,其包括使式(2)的化合物与式 和式(3)的化合物在路易斯酸存在下,其中R表示氢原子等,得到加合物,步骤2使步骤1中得到的加合物与肼反应,得到化合物 公式(1)。

    METHOD OF MANUFACTURING PYRIDAZINONE COMPOUND
    2.
    发明申请
    METHOD OF MANUFACTURING PYRIDAZINONE COMPOUND 有权
    制备吡咯烷酮化合物的方法

    公开(公告)号:US20160060225A1

    公开(公告)日:2016-03-03

    申请号:US14779383

    申请日:2014-03-17

    Inventor: Akio MANABE

    CPC classification number: C07D237/14 C07D237/16 C07D307/60

    Abstract: A compound represented by formula (2) wherein X represents a hydrogen atom, a fluorine atom, a chlorine atom or a bromine atom, and Y represents a hydrogen atom, a fluorine atom, a chlorine atom or a bromine atom,is reacted with a brominating agent and an alkanol having 1 to 6 carbon atoms in the presence of a base to obtain a compound represented by formula (3) wherein R represents a C1 to C6 alkyl group, and X and Y represent the same meaning as described above,and then the compound represented by the formula (3) is reacted with hydrazine, whereby a compound represented by formula (1) wherein X and Y represent the same meaning as described above, which is useful as a production intermediate of a fungicide, can be obtained.

    Abstract translation: 由式(2)表示的化合物,其中X表示氢原子,氟原子,氯原子或溴原子,Y表示氢原子,氟原子,氯原子或溴原子,与 溴化剂和具有1至6个碳原子的链烷醇,以获得由式(3)表示的化合物,其中R表示C1至C6烷基,X和Y表示与上述相同的含义, 然后将由式(3)表示的化合物与肼反应,由此得到其中X和Y表示与上述相同含义的式(1)表示的化合物,其可用作杀真菌剂的生产中间体 。

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