4-乙氧基羰基吡啶-2-羧酸 | 21908-14-5

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 吡啶及其衍生物
• 中文名称: 4-乙氧基羰基吡啶-2-羧酸
• 中文别名: 吡啶-2,4-二酸-4-单乙酯
• 英文名称: Pyridin-2,4-dicarbonsaeure-4-ethylester
• 英文别名: pyridine-2,4-dicarboxylic acid 4-ethyl ester；4-(Ethoxycarbonyl)picolinic acid；4-ethoxycarbonylpyridine-2-carboxylic acid
• CAS: 21908-14-5
• 化学式: C₉H₉NO₄
• mdl: MFCD00911972
• 分子量: 195.175
• InChiKey: OYVVYNXEJSGLFV-UHFFFAOYSA-N

物化性质

• 沸点：
  373.0±27.0 °C(Predicted)
• 密度：
  1.304±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  0.9
• 重原子数：
  14
• 可旋转键数：
  4
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.222
• 拓扑面积：
  76.5
• 氢给体数：
  1
• 氢受体数：
  5

安全信息

• 海关编码：
  2933399090
• 危险性防范说明：
  P261,P305+P351+P338
• 危险性描述：
  H302,H315,H319,H335

文献信息

• PROCESS FOR THE PREPARATION OF 2,4- OR 2,5-PYRIDINEDICARBOXYLIC ACID AND COPOLYMERS DERIVED THEREFROM
  申请人：Biome Bioplastics Limited

  公开号：US20180148752A1

  公开（公告）日：2018-05-31

  The present invention relates to processes for the formation of pyridinedicarboxylic acid (PDCA), in particular, 2,4-pyridinedicarboxylic acid (2,4-PDCA) and 2,5-pyridinedicarboxylic acid (2,5-PDCA), and mono- and diester derivatives thereof, from 3,4-dihydroxybenzoic acid, via a biocatalytic reaction using, for example, a protocatechuate dioxygenase such as protocatechuate 4,5-dioxygenase or protocatechuate 2,3-dioxygenase, and a nitrogen source. The invention also relates to copolymers that comprise the pyridinedicarboxylic acid monomers and derivatives thereof, processes for the formation of the copolymers and uses for the copolymers.

  本发明涉及从3,4-二羟基苯甲酸通过生物催化反应，使用原儿茶酸双氧酶例如原儿茶酸4,5-双氧酶或原儿茶酸2,3-双氧酶和氮源等，形成吡啶二甲酸（PDCA），特别是2,4-吡啶二甲酸（2,4-PDCA）和2,5-吡啶二甲酸（2,5-PDCA）及其单酯和双酯衍生物的过程。本发明还涉及包含吡啶二甲酸单体及其衍生物的共聚物，形成共聚物的过程以及共聚物的用途。
• Process for treating keratin fibres with a polysaccharide and a pyridinedi-carboxylic acid compound
  申请人：L'OREAL

  公开号：US10857087B2

  公开（公告）日：2020-12-08

  The invention relates to a process for treating keratin fibres, in particular human keratin fibres such as the hair, comprising: (i) a step of applying an oxidized polysaccharide, (ii) a step of heating to a temperature of at least 100° C., (iii) a step of applying a pyridinedicarboxylic acid compound. The process makes it possible to obtain good hair-conditioning cosmetic properties, with a long-lasting effect. The invention also relates to a cosmetic composition and a kit used for performing the treatment process.

  本发明涉及一种处理角蛋白纤维，特别是人类角蛋白纤维（如头发）的工艺，包括：(i) 施用氧化多糖的步骤；(ii) 加热至至少 100°C 的温度的步骤；(iii) 施用吡啶二羧酸化合物的步骤。该工艺可以获得良好的护发美容效果，且效果持久。本发明还涉及一种化妆品组合物和一种用于进行该处理过程的试剂盒。
• Process for treating keratin fibres with a pyridinedicarboxylic acid compound
  申请人：L'OREAL

  公开号：US11045407B2

  公开（公告）日：2021-06-29

  The invention relates to a process for treating keratin fibres, in particular human keratin fibres such as the hair, comprising the application to the keratin fibres of a cosmetic composition comprising a pyridinedicarboxylic acid compound. The process makes it possible to obtain good cosmetic properties in terms of manageability of the hair and sheen, with a long-lasting effect.

  本发明涉及一种处理角蛋白纤维，特别是人类角蛋白纤维（如头发）的工艺，包括向角蛋白纤维施用一种包含吡啶二甲酸化合物的化妆品组合物。该工艺可使头发在易打理性和光泽度方面获得良好的美容特性，并具有持久的效果。
• PROCESS FOR THE PREPARATION OF 2,4- OR 2,5-PYRIDINEDICARBOXYLIC ACID
  申请人：Biome Bioplastics Limited

  公开号：EP3307901B1

  公开（公告）日：2022-04-27
• PROCESS FOR TREATING KERATIN FIBRES WITH A PYRIDINEDICARBOXYLIC ACID COMPOUND
  申请人：L'OREAL

  公开号：US20160213587A1

  公开（公告）日：2016-07-28

  The invention relates to a process for treating keratin fibres, in particular human keratin fibres such as the hair, comprising the application to the keratin fibres of a cosmetic composition comprising a pyridinedicarboxylic acid compound. The process makes it possible to obtain good cosmetic properties in terms of manageability of the hair and sheen, with a long-lasting effect.