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    • 77. 发明专利
    • Anthranilic acid derivative
    • 苯甲酸衍生物
    • JPS5970654A
    • 1984-04-21
    • JP17997682
    • 1982-10-15
    • Nippon Redarii Kk
    • SATOU TOSHIOAOYANAGI SAKAEKATOU ATSUYUKI
    • C07C231/00A61K31/195A61K31/196A61P37/08C07C67/00C07C231/12C07C231/16C07C235/38
    • NEW MATERIAL:N-(cis-3,4-Dimethoxycinnamoyl)anthranilic acid expressed by formula I and a salt thereof.
      USE: An antiallergic agent useful for treating bronchial asthma, urticaria, atopic dermatitis, allergic rhinitis, etc.
      PROCESS: A solution of N-(trans-3,4-dimethoxycinnamoyl)anthranilic acid expressed by formula II or a salt thereof is irradiated with light containing ultraviolet rays having at least 310W315nm and/or 360W370nm, preferably 313nm and/ or 366nm, wavelength for at least 30min, preferably one hr or longer to give the aimed compound of formula I . A high pressure mercury lamp, medium pressure mercury lamp, etc. may be preferred for the irradiation light source, but direct rays of the sun, a fluorescent lamp or germicidal lamp, etc. may also be used.
      COPYRIGHT: (C)1984,JPO&Japio
    • 新材料:由式I表示的N-(顺式-3,4-二甲氧基肉桂酰基)邻氨基苯甲酸及其盐。 用途:用于治疗支气管哮喘,荨麻疹,特应性皮炎,过敏性鼻炎等的抗过敏药物。方法:将由式II表示的N-(反式-3,4-二甲氧基肉桂酰)邻氨基苯甲酸或其盐的溶液照射 包含具有至少310-315nm和/或360-370nm,优选313nm和/或366nm波长的紫外线至少30分钟,优选1小时或更长时间的紫外线的光,得到目标式I化合物。 对于照射光源,优选高压汞灯,中压汞灯等,但也可以使用太阳,荧光灯,杀菌灯等的直接光线。
    • 78. 发明专利
    • Racemization of optical active n-acetyl-3-hydroxy- 4-(hydroxymethyl)phenylglycine
    • 光学活性N-乙酰基-3-羟基-4-(羟基甲基)苯甲酰胺的研究
    • JPS58216147A
    • 1983-12-15
    • JP9926582
    • 1982-06-11
    • Banyu Pharmaceut Co Ltd
    • MATSUMOTO IKUOISHIKAWA KIYOBUMIYOSHIZAWA JIYUNJI
    • C07C231/00C07C67/00C07C231/12C07C231/16C07C233/46C07C233/47
    • PURPOSE: To obtain the titled compound useful as an intermediate for synthesizing an immune activator, by heating optical active N-acetyl-3-hydroxy-4-(hydroxymethyl)phenylglycine in an aqueous solution of a specific amount of an alkali metal hydroxide.
      CONSTITUTION: 1 equivalent optical active N-acetyl-3-hydroxy-4-(hydroxymethyl) phenylglycine is racemized in ≥2 equivalents, preferably 2W5 equivalents aqueous solution of alkali metal hydroxide at 40W100°C, to give the desired substance. ≥0.5 equivalent alkali metal acetate or boric acid is added to the reaction system during racemization to prevent acylation, and the concentration of the aqueous solution of alkali metal hydroxide is preferably 3W12 normalities.
      COPYRIGHT: (C)1983,JPO&Japio
    • 目的:通过在特定量的碱金属氢氧化物的水溶液中加热光学活性N-乙酰基-3-羟基-4-(羟甲基)苯基甘氨酸,得到可用作合成免疫激活剂的中间体的标题化合物。 构成:在40-100℃,1当量光学活性N-乙酰基-3-羟基-4-(羟甲基)苯基甘氨酸在> = 2当量,优选2-5当量碱金属氢氧化物水溶液中外消旋,得到 所需物质。 > = 0.5当量碱金属乙酸酯或硼酸在外消旋化反应体系中加入以防止酰化,碱金属氢氧化物水溶液的浓度优选为3-12标准。