ethyl 2-chloroaceto acetate

• 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: ethyl 2-chloroaceto acetate
• 英文别名: butyric acid chloroacetic acid-anhydride；Buttersaeure-chloressigsaeure-anhydrid；(2-Chloroacetyl) butanoate
• 化学式: C₆H₉ClO₃
• mdl: MFCD19234469
• 分子量: 164.589
• InChiKey: IPEFHRLKLRQQFN-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.3
• 重原子数：
  10
• 可旋转键数：
  5
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.666
• 拓扑面积：
  43.4
• 氢给体数：
  0
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  ethyl 2-chloroaceto acetate 、 甲氧苯胺 在 盐酸 、 sodium acetate 、 sodium nitrite 作用下， 以 甲醇 、 水 、 乙酸乙酯 为溶剂， 生成 ethyl (E)-2-chloro-2-(2-(4-methoxyphenyl)hydrazono)acetate
  参考文献：
  名称：

  PROCESS FOR THE PREPARATION OF APIXABAN

  摘要：

  一种晶体形态N-1的阿匹沙班，相对于阿匹沙班，通过高效液相色谱的面积百分比显著不含以下一种或多种物质：1-（4-甲氧基苯基）-7-氧代-6-（4-（2-氧代哌啶-1-基）苯基）-4,5,6,7-四氢-1H-吡唑并[3,4-c]吡啶-3-羧酸；7-氧代-6-（4-（2-氧代哌啶-1-基）苯基）-1-苯基-4,5,6,7-四氢-1H-吡唑并[3,4-c]吡啶-3-羧酰胺；或甲基1-（4-甲氧基苯基）-7-氧代-6-（4-（2-氧代哌啶-1-基）苯基）-4,5,6,7-四氢-1H-吡唑并[3,4-c]吡啶-3-羧酸甲酯，并且具有平均粒径等于或大于100μm。

  公开号：

  US20160143894A1
• 作为产物：
  描述：

  sodium butyrate 、 氯乙酰氯 在 乙醚 作用下， 生成 ethyl 2-chloroaceto acetate
  参考文献：
  名称：

  Ashikari, Kogyo Kagaku zasshi / Journal of the Society of Chemical Industry, 1955, vol. 58, p. 740

  摘要：

  DOI：

文献信息

• AZOLE COMPOUNDS
  申请人：Takeda Chemical Industries, Ltd.

  公开号：EP1486490A1

  公开（公告）日：2004-12-15

  The present invention provides a compound represented by the formula (I) wherein R1 is a hydrogen atom, a halogen atom, an optionally substituted hydrocarbon group, an optionally substituted heterocyclic group, an optionally substituted hydroxy group, an optionally substituted thiol group or an optionally substituted amino group, A is an optionally substituted cyclic amino group or -NR2-W-D wherein R2 is a hydrogen atom or an alkyl group, W is a bond or a divalent acyclic hydrocarbon group, and D is an optionally substituted cyclic group, an optionally substituted amino group or an optionally substituted acyl group, B is an optionally substituted hydrocarbon group or an optionally substituted heterocyclic group, X is an oxygen atom, a sulfur atom or an optionally substituted nitrogen atom, and Y is a bond or a divalent acyclic hydrocarbon group, or a salt thereof, which is useful for the prophylaxis or treatment of diabetic neuropathy and the like.

  本发明提供了一种由以下式（I）表示的化合物， 其中R1是氢原子、卤原子、可选择取代的碳氢基团、可选择取代的杂环基团、可选择取代的羟基、可选择取代的硫醇基团或可选择取代的氨基， A是可选择取代的环氨基团或-NR2-W-D，其中R2是氢原子或烷基，W是键或二价的非环烃基团，D是可选择取代的环基团、可选择取代的氨基团或可选择取代的酰基团， B是可选择取代的碳氢基团或可选择取代的杂环基团， X是氧原子、硫原子或可选择取代的氮原子，以及 Y是键或二价的非环烃基团，或其盐，用于预防或治疗糖尿病性神经病变等。
• AN IMPROVED PROCESS FOR THE PREPARATION OF APIXABAN AND INTERMEDIATES THEREOF
  申请人：CADILA HEALTHCARE LIMITED

  公开号：US20160113912A1

  公开（公告）日：2016-04-28

  The present invention relates to an improved process for the preparation of apixaban and intermediates thereof. In particular, the invention relates to an improved process for the preparation of an amorphous form of apixaban. The invention also relates to a pharmaceutical composition comprising an amorphous form of apixaban for oral administration as an antithrombotic agent.

  本发明涉及一种改进的阿匹沙班及其中间体的制备工艺。特别地，本发明涉及一种制备阿匹沙班非晶态形式的改进工艺。本发明还涉及一种药物组合物，其中包含阿匹沙班非晶态形式，用于口服抗血栓剂。
• Azole compounds
  申请人：Sakai Nozomu

  公开号：US20050090534A1

  公开（公告）日：2005-04-28

  The present invention provides a compound represented by the formula (I) wherein R 1 is a hydrogen atom, a halogen atom, an optionally substituted hydrocarbon group, an optionally substituted heterocyclic group, an optionally substituted hydroxy group, an optionally substituted thiol group or an optionally substituted amino group, A is an optionally substituted cyclic amino group or —NR 2 —W-D wherein R 2 is a hydrogen atom or an alkyl group, W is a bond or a divalent acyclic hydrocarbon group, and D is an optionally substituted cyclic group, an optionally substituted amino group or an optionally substituted acyl group, B is an optionally substituted hydrocarbon group or an optionally substituted heterocyclic group, X is an oxygen atom, a sulfur atom or an optionally substituted nitrogen atom, and Y is a bond or a divalent acyclic hydrocarbon group, or a salt thereof, which is useful for the prophylaxis or treatment of diabetic neuropathy and the like.

  本发明提供了一种化合物，其表示为公式(I)，其中R1是氢原子、卤素原子、可选取代的碳氢基团、可选取代的杂环基团、可选取代的羟基、可选取代的硫醇基或可选取代的氨基；A是可选取代的环状氨基基团或-NR2-W-D，其中R2是氢原子或烷基团，W是键或双价的无环烃基团，D是可选取代的环状基团、可选取代的氨基或可选取代的酰基团；B是可选取代的碳氢基团或可选取代的杂环基团；X是氧原子、硫原子或可选取代的氮原子；Y是键或双价的无环烃基团，或其盐。该化合物对于预防或治疗糖尿病性神经病等方面有用。
• Coupler for photographic use
  申请人：KONICA CORPORATION

  公开号：EP0304001A2

  公开（公告）日：1989-02-22

  A novel cyan color-forming coupler for photographic use is disclosed. The coupler has a improved fastness for heat, humidity, and has a chemical structure represented by the following Formula I; Formula I wherein Z is a group of non-metal atoms necessary for completing a nitrogen-containing six-member heterocyclic ring condenced with the pyrazole ring. The six-member ring may be substituted or not substituted provided that the six-­member ring does not have be condensed with any ring other than the pyrazole ring; R represents a hydrogen atom or a substituent, and X represents a hydrogen atom or a substituent capable of being split off upon reaction with the oxidized product of a color developing agent.

  本发明公开了一种用于摄影的新型青色成色耦合剂。这种耦合剂具有更好的耐热、耐湿牢度，其化学结构如下式 I 所示； 式 I 其中 Z 是一个非金属原子团，是完成与吡唑环相连的含氮六元杂环所必需的。六元环可以被取代，也可以不被取代，但六元环不得与除吡唑环以外的任何环缩合；R 代表氢原子或取代基，X 代表氢原子或取代基，在与显色剂的氧化产物反应时能够被分离。
• 3-amino-5-methyl-1H-pyrazole-4-carboxylic acids and esters thereof as anticonvulsants, muscle relaxants and anxiolytics
  申请人：A.H. ROBINS COMPANY, INCORPORATED

  公开号：EP0315433A2

  公开（公告）日：1989-05-10

  Pharmaceutical compositions which comprise a compound represented by the formula where R¹ represents a hydrogen atom, a lower alkyl group or a pharmaceutically acceptable cation; R² and R³ independently represent a hydrogen atom, a lower alkyl group, an aryl group, a cycloalkyl group, a lower alkenyl group, a 1-adamantyl group, a hetero­cyclicaminoalkyl group, a diloweralkylaminoloweralkyl group, or R² together with R³ and the adjacent nitrogen atom may form a heterocyclic ring structure; and/or a pharmaceutically acceptable acid salt thereof; the use of such compounds in medicine; and the use of such compounds in the preparation of anticonvul­sant agents, muscle relaxants and anxiolytic agents, are disclosed.

  药物组合物，其中包含由式表示的化合物 其中 R¹ 代表氢原子、低级烷基或药学上可接受的阳离子； R²和R³各自代表氢原子、低级烷基、芳基、环烷基、低级烯基、1-金刚烷基、杂环氨基烷基、稀释烷基氨基低级烷基，或R²与R³及相邻氮原子可形成杂环环结构； 和/或其药学上可接受的酸盐；公开了此类化合物在医药中的用途；以及此类化合物在制备抗惊厥剂、肌肉松弛剂和抗焦虑剂中的用途。