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28 条记录 (耗时 0.023 秒)

    Method for producing naphthalene carboxylic acid amide compound
    1.
    发明申请
    Method for producing naphthalene carboxylic acid amide compound 失效
    萘羧酰胺化合物的制备方法

    公开(公告)号：US20080045720A1

    公开(公告)日：2008-02-21

    申请号：US11808503

    申请日：2007-06-11

    申请人： Hiroyuki Wakamori ,  Nobuhiro Yonetani

    发明人： Hiroyuki Wakamori ,  Nobuhiro Yonetani

    IPC分类号： C07C231/02 ,  C07C227/04 ,  C07D235/00 ,  C07D263/00 ,  C07D277/00

    CPC分类号： C07C231/02 ,  C07C235/66

    摘要： The present invention provides a method for producing a naphthalenecarboxylic acid amide compound represented by formula [1] comprising, reacting a naphthalenecarboxylic acid halide compound represented by formula [2] with ammonium acetate in a solvent having an ether bond. According to the method of the present invention, a naphthalene carboxylic acid amide compound can be obtained at high yield and at low cost.

    摘要翻译： 本发明提供一种由式[1]表示的萘甲酰胺化合物的制造方法，其特征在于，在具有醚键的溶剂中使式[2]所示的萘甲酰卤化物与乙酸铵反应。 根据本发明的方法，可以高产率和低成本地得到萘羧酸酰胺化合物。

    Process for preparing 3-nitro-4-alkoxybenzoic acid
    2.
    发明申请
    Process for preparing 3-nitro-4-alkoxybenzoic acid 审中-公开
    制备3-硝基-4-烷氧基苯甲酸的方法

    公开(公告)号：US20070043235A1

    公开(公告)日：2007-02-22

    申请号：US10555347

    申请日：2004-04-27

    申请人： Ryuzo Ueno ,  Masaya Kitayama ,  Hiroyuki Wakamori

    发明人： Ryuzo Ueno ,  Masaya Kitayama ,  Hiroyuki Wakamori

    IPC分类号： C07C205/02

    CPC分类号： C07C201/08 ,  C07C205/59

    摘要： The present invention provides a process for preparing 3-nitro-4-alkoxybenzoic acid, which comprises the step of subjecting a mixture comprising 4-alkoxybenzoic acid and 40-80% nitric acid, wherein the amount of the 40-80% nitric acid is equal to or more than 8 times that of 4-alkoxybenzoic acid by weight, to a reaction at a temperature of 30-100° C.

    摘要翻译： 本发明提供一种制备3-硝基-4-烷氧基苯甲酸的方法，该方法包括以下步骤：将含有4-烷氧基苯甲酸和40-80％硝酸的混合物，其中40-80％硝酸的量为 等于或大于4-烷氧基苯甲酸的8倍于在30-100℃的温度下的反应

    Hydroxynaphthalenedicarboxylic acid hydrazide and derivatives thereof as well as process for preparing them
    3.
    发明申请
    Hydroxynaphthalenedicarboxylic acid hydrazide and derivatives thereof as well as process for preparing them 审中-公开
    羟基萘二甲酰肼及其衍生物及其制备方法

    公开(公告)号：US20060231589A1

    公开(公告)日：2006-10-19

    申请号：US11403917

    申请日：2006-04-14

    申请人： Hiroyuki Wakamori

    发明人： Hiroyuki Wakamori

    IPC分类号： A47J36/02

    CPC分类号： C07C243/38

    摘要： The present invention provides a hydroxynaphthalenedicarboxylic acid hydrazide or a derivative thereof represented by formula (1): wherein X1 is a group selected from the group consisting of carboxyl group, a group represented by formula (2) and a group represented by formula (3): —CO—NH-Z  (2) —CO—NHNH2  (3) Y1 is a group selected from the group consisting of carboxyl group, carbamoyl group, a group represented by formula (2), a group represented by formula (3) and a group represented by formula (4): —CO—O-A  (4) provided that at least one of X1 and Y1 is a group represented by formula (3).

    摘要翻译： 本发明提供由式（1）表示的羟基萘二甲酰肼或其衍生物：其中X 1是选自羧基，由式（2）表示的基团和 由式（3）表示的基团：<？in-line-formula description =“In-line Formulas”end =“lead”？> - CO-NH-Z（2）<？in-line-formula description = 在线公式“end =”tail“？> <？in-line-formula description =”In-line Formulas“end =”lead“？> - CO-NHNH 2（3） “in-line-formula description =”In-line Formulas“end =”tail“？> Y 1 是选自羧基，氨基甲酰基，式 （2）表示的基团和式（3）表示的基团和由式（4）表示的基团：<？in-line-formula description =“In-line formula”end =“lead”→> CO-OA ）<？in-line-formula description =“In-line Formulas”end =“tail”？>，条件是X 1和Y 1中的至少一个是 集团 由公式（3）表示。

    Method for preparing 2-hydroxy-6-ureidocarbonyl naphthalene derivative
    5.
    发明授权
    Method for preparing 2-hydroxy-6-ureidocarbonyl naphthalene derivative 失效
    2-羟基-6-脲基羰基萘衍生物的制备方法

    公开(公告)号：US07030261B2

    公开(公告)日：2006-04-18

    申请号：US11048876

    申请日：2005-02-03

    申请人： Masaya Kitayama ,  Hiroyuki Wakamori ,  Nobuhiro Yonetani

    发明人： Masaya Kitayama ,  Hiroyuki Wakamori ,  Nobuhiro Yonetani

    IPC分类号： C07C205/45 ,  C07C253/30 ,  C07C275/30

    CPC分类号： C07C273/1827 ,  C07C275/54

    摘要： Disclosed is a method for preparing a 2-hydroxy-6-ureidocarbonyl naphthalene derivative. The method comprises the step of reacting 2-hydroxy-6-aminocarbonyl naphthalene and a isocyanate in an organic solvent at a temperature of 90–200° C. According to the present invention, 2-hydroxy-6-ureidocarbonyl naphthalene derivative can easily be obtained within relatively short time and high yield.

    摘要翻译： 公开了2-羟基-6-脲基羰基萘衍生物的制备方法。 该方法包括在90-200℃的温度下，使2-羟基-6-氨基羰基萘与异氰酸酯在有机溶剂中反应的步骤。根据本发明，2-羟基-6-脲基羰基萘衍生物可容易地 在相对较短的时间内获得较高的产量。

    Method for preparing 2,6-naphthalene dicarboxylic acid
    6.
    发明申请
    Method for preparing 2,6-naphthalene dicarboxylic acid 有权
    2,6-萘二甲酸的制备方法

    公开(公告)号：US20050240056A1

    公开(公告)日：2005-10-27

    申请号：US11090054

    申请日：2005-03-28

    申请人： Masaya Kitayama ,  Hiroyuki Wakamori

    发明人： Masaya Kitayama ,  Hiroyuki Wakamori

    IPC分类号： C07C51/09 ,  C07C51/42

    CPC分类号： C07C51/09 ,  C07C63/38

    摘要： Disclosed is an improved method for preparing 2,6-naphthalene dicarboxylic acid from di-lower alkyl 2,6-naphthalene dicarboxylate, which is characterized in that hydrolyzing di-lower alkyl 2,6-naphthalene dicarboxylate in a specified amount of water in the presence of specified amount of hydrophobic organic solvent and an additive; that hydrolyzing di-lower alkyl 2,6-naphthalene dicarboxylate in a specific amount of a mixed solvent of non-water miscible alcohol and water; or in that di-lower alkyl 2,6-naphthalene dicarboxylate is hydrolyzed in two steps wherein the 1st step comprises hydrolyzing said ester in a water miscible organic solvent in the presence of a small amount of water, and the 2nd step comprises further hydrolyzing the reaction.

    摘要翻译： 本发明公开了一种从2,6-二萘基二羧酸二低级烷基酯制备2,6-萘二羧酸的改进方法，其特征在于将2,6-萘二羧酸二低级烷基酯在规定量的水中 存在规定量的疏水性有机溶剂和添加剂; 在特定量的非水混溶性醇和水的混合溶剂中水解2,6-萘二甲酸二低级烷基酯; 或者在2,6-二羧酸二低级烷基酯中以两个步骤水解，其中第一步包括在少量水存在下在水混溶性有机溶剂中水解所述酯，第二步包括进一步水解 反应。