ニトロイソウレア誘導体の改良された製造方法
    1.
    发明申请
    ニトロイソウレア誘導体の改良された製造方法 审中-公开
    用于生产硝酸衍生物的改进方法

    公开(公告)号:WO2007091390A1

    公开(公告)日:2007-08-16

    申请号:PCT/JP2007/000065

    申请日:2007-02-07

    CPC classification number: C07C273/18 C07B43/00 C07C275/70

    Abstract: Disclosed is an improved method for producing a nitroisourea derivative which is necessary for producing a nitroguanidine derivative having an insecticidal activity. Specifically disclosed is a method for producing a nitroisourea derivative represented by the general formula (3) below, which is characterized in that a nitroisourea represented by the general formula (1) below and an amine represented by the general formula (2) below or a salt thereof are reacted in the co-presence of a catalytic amount of a hydrogen carbonate.

    Abstract translation: 公开了生产具有杀虫活性的硝基胍衍生物所必需的硝基异脲衍生物的改进方法。 具体公开的是下述通式(3)所示的硝基异脲衍生物的制造方法,其特征在于,将下述通式(1)表示的硝基异脲和下述通式(2)表示的胺或 其盐在催化量的碳酸氢盐的共存下反应。

    ニトログアニジン誘導体の改良された製造方法
    2.
    发明申请
    ニトログアニジン誘導体の改良された製造方法 审中-公开
    用于生产硝基胍衍生物的改进方法

    公开(公告)号:WO2007091391A1

    公开(公告)日:2007-08-16

    申请号:PCT/JP2007/000066

    申请日:2007-02-07

    CPC classification number: C07D213/61 C07D307/14

    Abstract: Disclosed is an improved method for producing a nitroguanidine derivative represented by the general formula (3) below, which has insecticidal activity, or a salt thereof. Specifically disclosed is a method for producing a nitroguanidine derivative represented by the general formula (3) below or a salt thereof, wherein a nitroisourea derivative represented by the general formula (1) below or a salt thereof and a compound represented by the general formula (2) below or a salt thereof are reacted in the presence of a base in an aqueous solution wherein an inorganic salt is dissolved at not less than 50% of its saturation solubility.

    Abstract translation: 公开了一种制备具有杀虫活性的下述通式(3)表示的硝基胍衍生物或其盐的改进方法。 具体公开了下述通式(3)表示的硝基胍衍生物或其盐的制造方法,其中,下述通式(1)表示的硝基异脲衍生物或其盐,通式(1)表示的化合物 2)或其盐在不溶于其饱和溶解度的50%的无水盐溶解的水溶液中在碱的存在下反应。

    O-メチル-N-ニトロイソ尿素の製造方法
    3.
    发明申请
    O-メチル-N-ニトロイソ尿素の製造方法 审中-公开
    生产O-甲基-N-硝基的方法

    公开(公告)号:WO2007091392A1

    公开(公告)日:2007-08-16

    申请号:PCT/JP2007/000067

    申请日:2007-02-07

    CPC classification number: C07C273/00 C07C273/1854 C07C275/70

    Abstract: Disclosed is an industrially advantageous process for production of O-methyl-N-nitroisourea. O-methyl-N-nitroisourea of the formula (1) or a salt thereof can be produced in a high yield by performing the nitration of O-methylisourea of the formula (2) or a salt thereof with a nitrating agent in the presence of fuming sulfuric acid.

    Abstract translation: 公开了用于生产O-甲基-N-硝基异脲的工业上有利的方法。 式(1)的O-甲基-N-硝基异脲或其盐可以通过在式(2)的O-甲基异脲或其盐与硝化剂的硝化下, 发烟硫酸。

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