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    • 5. 发明公开
    • Method of producing 1,4-dihydroxy-2-naphthoic acid
    • Verfahren zur Herstellung von 1,4-Dihydroxy-2-Naphthalin-Carbonsaure。
    • EP0552019A2
    • 1993-07-21
    • EP93300190.1
    • 1993-01-13
    • SUMITOMO CHEMICAL COMPANY, LIMITEDSUMIKA FINE CHEMICALS Co., Ltd.
    • Nakamatsu, ToshioNishida, YasuhiroWatanabe, ShinichiKometani, Norio
    • C07C65/11C07C51/15
    • C07C51/15C07C65/11
    • A method of producing 1,4-dihydroxy-2-naphthoic acid comprises: subjecting 1,4-dihydroxynaphthalene to alkali metal salt formation reaction at a temperature of 110°C or more in an organic medium capable of dissolving 1,4-dihydroxynaphthalene, preferably selected from ketones, esters, monoalcohols, polyhydric alcohols and derivatives thereof and aromatic hydrocarbons using an alkali metal alcoholate, preferably of a Cl-4 alcohol; and subjecting the salt formation reaction mixture to carboxylation using carbon dioxide gas under atmospheric or increased pressure and preferably with an excess of CO₂ of 1.5 mols or more per mol of the dihydroxynaphthalene.
      The product is obtained easily and in a high yield, e.g of 80 to 92% and in high purity, and is useful as an intermediate for dyes, pigments and photographic agents.
    • 1,4-二羟基-2-萘甲酸的制造方法包括:在能够溶解1,4-二羟基萘的有机介质中,使1,4-二羟基萘在110℃以上的温度下进行碱金属盐形成反应, 优选选自酮,酯,一元醇,多元醇及其衍生物和使用碱金属醇盐,优选Cl-4醇的芳烃; 并且在大气压或增压下使用二氧化碳气体使盐形成反应混合物进行羧化,优选每摩尔二羟基萘过量的CO 2为1.5摩尔或更多。 该产品容易且以高产率例如80-92%和高纯度获得,并且可用作染料,颜料和照相剂的中间体。
    • 9. 发明公开
    • Anthrapyridone compounds, their production process and their use
    • Anthrapyridon-Verbindungen,ihre Herstellung und ihre Verwendung。
    • EP0270306A2
    • 1988-06-08
    • EP87310447.5
    • 1987-11-26
    • SUMITOMO CHEMICAL COMPANY, LIMITEDDAIEI CHEMICAL COMPANY, LIMITED
    • Nakamatsu, ToshioEgashira, YoshituguSuzuki, Yasuyuki
    • C09B5/14C08J3/20
    • C08K5/3437C09B5/14
    • An anthrapyridone compound of the following formula (I) and which is useful for coloring resins:
      wherein X¹ is hydrogen, -NHCOR¹, -CONR²R³, -COR⁴, -SO₂R⁵ or -SO₂NR⁶R⁷, in which R¹ and R⁴ are each C 1-4 alkyl, R² and R³ are each hydrogen or C 1-4 alkyl, R⁵ is C 1-4 alkyl or hydroxyethyl, R⁶ and R⁷ are each hydrogen or C 1-4 alkyl,
      X² is hydrogen or imidomethyl of the formula (II):
      wherein n is a number of 1 to 2, X⁴ is hydrogen or carboxylic acid C 1-4 alkyl-ester,
      X³ is hydrogen, halogen, hydroxyl, C 1-4 alkyl or C 1-4 alkoxyl,
      with the proviso that X¹ is -NHCOR¹, -CONR²R³, -COR⁴, -SO₂R⁵ or -SO₂NR⁶R⁷ when X² is hydrogen,
      X² is the imidomethyl of the formula (II) when X¹ the hydrogen, is provided, which is prepared by allowing an α-haloanthraquinone compound with an acylated primary aromatic amine compound in a nonaqueous medium in the presence of metallic copper or a copper compound.
    • 下式(I)的蒽并吡啶酮化合物,其可用于着色树脂:其中X 1为氢,-NHCOR 1,-CONR 2 R 3,-COR 4, ,-SO 2 R 5或-SO 2 NR 6 R 7,其中R 1和R 4各自为C 1-4烷基,R 2和R 3各自为氢或C1- 4烷基,R 5为C 1-4烷基或羟乙基,R 6和R 7各自为氢或C 1-4烷基,X 2为氢或式(II)的亚氨基甲基:其中n为1至2的数,X 4为氢或羧酸C 1-4烷基酯,X 3为氢,卤素,羟基,C 1-4烷基或C 1-4烷氧基,其中 条件是X 1为-NHCOR 1,-CONR 2 R 3,-COR 4,-SO 2 R 5或-SO 2 NR 6 R 7时,X 2为 氢,X 2是当X 1为氢时提供式(II)的亚氨基甲基,其通过在非水介质中使酰化伯芳族胺化合物与α-卤代蒽醌化合物在非水介质中的存在 的金属铜或铜化合物。