METHOD FOR PRODUCING FUSED HETEROCYCLIC COMPOUND

    公开(公告)号:US20170158682A1

    公开(公告)日:2017-06-08

    申请号:US15320907

    申请日:2015-05-28

    Abstract: A compound represented by formula (4) is produced by a step A of reacting a compound represented by formula (2): wherein R1 represents an ethyl group or the like, R represents a halogen atom or the like, n represents 0, 1, 2, or 3, and M represents potassium or the like, with thionyl chloride to obtain a compound represented by formula (1): a step B of reacting the compound represented by formula (1) with a compound represented by formula (5): wherein A1 represents a nitrogen atom or ═CH—, R5 represents a trifluoromethyl group or the like, and m represents 1 or 2, to produce a compound represented by formula (3): or an acid salt thereof; and a step C of reacting the compound represented by formula (3) or an acid salt thereof in the presence of acid at 100° C. to 180° C. to obtain the compound represented by formula (4):

    METHOD FOR PRODUCING PYRIDAZINE COMPOUND
    3.
    发明申请
    METHOD FOR PRODUCING PYRIDAZINE COMPOUND 有权
    生产吡啶化合物的方法

    公开(公告)号:US20160090363A1

    公开(公告)日:2016-03-31

    申请号:US14892266

    申请日:2014-04-24

    CPC classification number: C07D237/12 C07D237/14 C07D237/18

    Abstract: A pyridazine compound represented by formula [1]: which is useful as an active ingredient of a plant disease control agent can be produced, by steps of obtaining a compound represented by formula [3]: by reacting a compound represented by formula [4]: with a compound represented by formula [5]: obtaining a compound represented by formula [2]: by deprotecting the compound [3]; and reacting the compound [2] with a chlorinating agent.

    Abstract translation: 由式[1]表示的哒嗪化合物可用作植物病害调节剂的活性成分,可通过以下步骤制备:通过以下步骤制备式[3]表示的化合物:通式[4]表示的化合物, :用式[5]表示的化合物:得到式[2]表示的化合物:通过使化合物[3]脱保护; 并使化合物[2]与氯化剂反应。

    PROCESS FOR PRODUCING PYRIDAZINONE COMPOUND AND PRODUCTION INTERMEDIATES THEREOF
    4.
    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 FOR PRODUCING PYRAZOLE COMPOUND
    5.
    发明申请
    METHOD FOR PRODUCING PYRAZOLE COMPOUND 有权
    生产吡唑化合物的方法

    公开(公告)号:US20170008853A1

    公开(公告)日:2017-01-12

    申请号:US15113494

    申请日:2015-02-16

    CPC classification number: C07D231/22 C07D231/20

    Abstract: A method for producing a pyrazole compound represented by formula (1): (wherein R1 represents an optionally substituted C1-12 alkyl group, an optionally substituted C3-12 cycloalkyl group, an optionally substituted C6-16 aryl group, or an optionally substituted pyridyl group, R2 and R3 each independently represent a hydrogen atom, a halogen atom, a C1-3 alkyl group, or a C1-3 haloalkyl group), said method including a step in which a pyrazolidine compound represented by formula (2): (wherein R1, R2, and R3 are as defined above) is reacted with a nitrite in the presence of an acid, allows a pyrazole compound to be produced industrially.

    Abstract translation: 一种制备由式(1)表示的吡唑化合物的方法:(其中R 1表示任选取代的C 1-12烷基,任选取代的C 3-12环烷基,任选取代的C 6-16芳基或 任选取代的吡啶基,R 2和R 3各自独立地表示氢原子,卤素原子,C 1-3烷基或C 1-3卤代烷基),所述方法包括以下步骤:其中吡唑烷化合物 由式(2)表示:(其中R 1,R 2和R 3如上定义)在酸存在下与亚硝酸酯反应,可以在工业上制备吡唑化合物。

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