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28 条记录 (耗时 0.016 秒)

    Process for production of hydroxygbenzoic acids
    4.
    发明申请
    Process for production of hydroxygbenzoic acids 审中-公开
    羟基苯甲酸生产方法

    公开(公告)号：US20060052632A1

    公开(公告)日：2006-03-09

    申请号：US10529899

    申请日：2003-09-30

    申请人： Ryuzo Ueno ,  Masaya Kitayama ,  Hiroyuki Wakamori ,  Nobuhiro Yonetani ,  Takaya Hisano

    发明人： Ryuzo Ueno ,  Masaya Kitayama ,  Hiroyuki Wakamori ,  Nobuhiro Yonetani ,  Takaya Hisano

    IPC分类号： C07C51/15

    CPC分类号： C07C37/66 ,  C07C51/15 ,  C07C65/03 ,  C07C39/235

    摘要： The present invention provides a method for producing a hydroxybenzoic acid compound comprising, dehydrating a phenol compound and an alkaline metal compound to form the alkaline metal salt of the phenol compound and reacting the alkaline metal salt and carbon dioxide, wherein the dehydrating step is conducted by reacting the alkaline metal compound with an excess amount of the phenol compound at a temperature of 160° C. or above. According to the method of the present invention, the hydroxybenzoic acid compound can be obtained by simple steps with low cost without using an expensive aprotic polar organic solvent. The provided method can produce highly pure hydroxybenzoic acid compound comprising little by-products in high yield.

    摘要翻译： 本发明提供一种羟基苯甲酸化合物的制造方法，其包括使酚化合物和碱金属化合物脱水以形成酚化合物的碱金属盐，并使碱金属盐和二氧化碳反应，其中脱水步骤通过 在160℃以上的温度下使碱金属化合物与过量的酚化合物反应。 根据本发明的方法，可以通过简单的步骤以低成本获得羟基苯甲酸化合物，而不使用昂贵的非质子极性有机溶剂。 所提供的方法可以以高产率产生包含少量副产物的高纯度羟基苯甲酸化合物。

    Method for producing naphthalene carboxylic acid amide compound
    6.
    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
    7.
    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
    8.
    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
    10.
    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。