γ-amino-β-hydroxybutyric acid ethyl ester

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 羧酸及其衍生物
• 英文名称: γ-amino-β-hydroxybutyric acid ethyl ester
• 英文别名: γ-amino-β-hydroxybutyric acid ethyl ester；gamma-amino-beta-hydroxybutyric acid ethyl ester；4-amino-3-hydroxybutanoic acid ethyl ester；4-amino-3-hydroxybutyric acid ethyl ester；Ethyl 4-amino-3-hydroxybutanoate
• 化学式: C₆H₁₃NO₃
• 分子量: 147.174
• InChiKey: HPMBWEVQPZMKJM-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  -1.1
• 重原子数：
  10
• 可旋转键数：
  5
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.83
• 拓扑面积：
  72.6
• 氢给体数：
  2
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  溴乙酸丁酯 、 γ-amino-β-hydroxybutyric acid ethyl ester 以 乙醇 为溶剂， 反应 10.0h， 生成
  参考文献：
  名称：

  一种奥拉西坦的合成方法

  摘要：

  一种(S)‑奥拉西坦的合成方法，包括如下步骤：(1)以S‑4‑氨基‑3‑羟基丁酸为起始原料，与醇进行酯化反应，得到中间体I；(2)将中间体I与卤代乙酸酯进行缩合反应，获得中间体II；(3)将中间体II进行关环反应得到中间体Ⅲ；(4)将中间体Ⅲ进行氨解反应，得到目标产物(S)‑奥拉西坦。本发明奥拉西坦合成路线至少可获得20%以上较理想收率的(S)‑奥拉西坦产物，开辟了一条新的奥拉西坦合成路线。

  公开号：

  CN105968024A
• 作为产物：
  描述：

  ethyl 4-azido-3-hydroxybutanoate 在 氢气 作用下， 以 二甲基亚砜 为溶剂， 反应 6.5h， 生成 γ-amino-β-hydroxybutyric acid ethyl ester
  参考文献：
  名称：

  一种奥拉西坦的制备方法

  摘要：

  一种奥拉西坦的制备方法，包括如下步骤：(1)以4-氯-3-羟基丁酸酯为起始原料，与叠氮化试剂进行叠氮化反应，得到中间体I；(2)将中间体I进行还原反应，获得中间体II；(2)将中间体II与卤代乙酸酯进行缩合反应，获得中间体Ⅲ；(3)将中间体Ⅲ进行关环反应得到中间体IV；(4)将中间体IV进行氨解反应，得到目标产物奥拉西坦。本发明至少可获得38%以上较理想收率的奥拉西坦产物，开辟了一条新的奥拉西坦合成路线。

  公开号：

  CN105439936A

文献信息

• GLYCOSAMINOGLYCAN DERIVATIVE AND METHOD FOR PRODUCING SAME
  申请人：SEIKAGAKU CORPORATION

  公开号：US20160151506A1

  公开（公告）日：2016-06-02

  The present invention provides a glycosaminoglycan derivative in which a group derived from glycosaminoglycan and a group derived from a physiologically active substance having at least one of a carboxy group and a hydroxy group are coupled by covalent bond with a spacer therebetween, in which the spacer is selected in accordance with the decomposition rate of the covalent bond to the group derived from the physiologically active substance.

  本发明提供了一种糖氨基聚糖衍生物，其中从糖氨基聚糖衍生的基团和从至少具有羧基或羟基之一的生理活性物质衍生的基团通过之间的间隔物以共价键偶联，其中该间隔物根据从生理活性物质衍生的基团的共价键的分解速率进行选择。
• AMINOBUTANOIC ACID DERIVATIVES
  申请人：ONO PHARMACEUTICAL CO., LTD.

  公开号：EP1024134A1

  公开（公告）日：2000-08-02

  An aminobutyric acid derivative of the formula (I): (wherein all symbols are as defined in the specification) and salt thereof. salt thereof. The compounds of the formula (I) possess an inhibitory activity on matrix metalloproteinase and are useful for prevention and / or treatment of diseases, for example, rheumatoid diseases, arthrosteitis, unusual bone resorption, osteoporosis, periodontitis, interstitial nephritis, arteriosclerosis, pulmonary emphysema, cirrhosis, cornea injury, metastasis of, invasion of or growth of tumor cells, autoimmune disease (e.g. Crohn's disease, Sjogren's syndrome), disease caused by vascular emigration or infiltration of leukocytes, arterialization, multiple sclerosis, aorta aneurysm, endometriosis.

  式（I）的氨基丁酸衍生物： (其中所有符号如说明书中所定义）及其盐。 式（I）化合物对基质金属蛋白酶具有抑制活性，可用于预防和/或治疗疾病，例如类风湿病、关节炎、异常骨吸收、骨质疏松症、牙周炎、间质性肾炎、动脉硬化、肺气肿、肝硬化、角膜损伤、肿瘤细胞的转移、侵入或生长、自身免疫性疾病（如克罗恩病、Sj.如克罗恩病、Sjogren 综合症）、血管移位或白细胞浸润引起的疾病、动脉化、多发性硬化、主动脉瘤、子宫内膜异位症。
• HAIR TREATMENT COMPOSITION AND HAIR COSMETIC FOR DAMAGED HAIR
  申请人：Meiji Seika Kaisha, Ltd.

  公开号：EP1602354A1

  公开（公告）日：2005-12-07

  The present invention intends to provide a composition for hair treatment containing γ-polyglutamic acid or a salt thereof, a hair cosmetic for damaged hair containing such a composition, and their uses. The composition for hair treatment containing γ-polyglutamic acid or a salt thereof and the hair cosmetic for damaged hair of the present invention have excellent improvement effects on the strength and frictional force of hair, so that they can provide tension, elasticity, or the like to damage hair to prevent or alleviate split hair and broken hair as well as improvements in combing and touch. Furthermore, they also exert effects of moisture retention inherent to γ-polyglutamic acid or a salt thereof, preventing or improving effects on the generation of dandruff on the basis of such effects, preventing effects on the feeling of stickiness or creak, and various effectiveness including appropriate residual tendency to hair in a simultaneous manner, respectively.

  本发明旨在提供一种含有γ-聚谷氨酸或其盐的头发治疗组合物、一种含有这种组合物的用于受损头发的护发化妆品及其用途。本发明的含有γ-聚谷氨酸或其盐的头发治疗组合物和用于受损头发的护发化妆品对头发的强度和摩擦力有很好的改善效果，因此它们可以为受损头发提供张力、弹性等，以防止或减轻头发分叉和断裂，并改善梳理和触感。此外，它们还能分别发挥γ-聚谷氨酸或其盐固有的保湿效果、在此基础上防止或改善头皮屑产生的效果、防止粘腻感或吱吱作响的效果，以及包括同时对头发产生适当残留倾向在内的各种功效。
• Glycosaminoglycan derivative and method for producing same
  申请人：Seikagaku Corporation

  公开号：US10098962B2

  公开（公告）日：2018-10-16

  The present invention provides a glycosaminoglycan derivative in which a group derived from glycosaminoglycan and a group derived from a physiologically active substance having at least one of a carboxy group and a hydroxy group are coupled by covalent bond with a spacer therebetween, in which the spacer is selected in accordance with the decomposition rate of the covalent bond to the group derived from the physiologically active substance.

  本发明提供了一种糖胺聚糖衍生物，其中来自糖胺聚糖的基团和来自具有至少一个羧基和一个羟基的生理活性物质的基团通过共价键结合在一起，中间有一个间隔物，其中间隔物是根据共价键与来自生理活性物质的基团的分解率来选择的。
• Cosmetic composition and production thereof
  申请人：Kawasaki Yuji

  公开号：US20060018867A1

  公开（公告）日：2006-01-26

  It has been desired to develop a highly preservative and antibacterial cosmetic composition that can easily be applied to both emulsion and non-emulsion type cosmetics. It has also been desired to develop a method of improving a preservative and/or antibacterial effect(s) of a cosmetic composition comprising polyorganosiloxane-containing epsilon-polylysine and thereby reducing the amount of antibacterial preservative agent to be used. There is provided a cosmetic composition comprising one or a combination of two or more of polyorganosiloxane-containing epsilon-polylysine compounds obtained by reacting epsilon-polylysine with polyorganosiloxane or a physiologically acceptable salt thereof, and polyhydric alcohol.

  人们一直希望开发一种高防腐性和抗菌性的化妆品组合物，这种组合物既可用于乳液型化妆品，也可用于非乳液型化妆品。此外，还希望开发一种方法，以改善含有聚有机硅氧烷的ε-聚赖氨酸的化妆品组合物的防腐和/或抗菌效果，从而减少抗菌防腐剂的用量。本发明提供了一种化妆品组合物，该组合物包含一种或两种以上的含聚有机硅氧烷的ε-聚赖氨酸化合物的组合，这些ε-聚赖氨酸化合物是通过ε-聚赖氨酸与聚有机硅氧烷或其生理上可接受的盐以及多元醇反应而得到的。