(1S)-2-氯-1-(2-吡嗪基)乙醇 | 556025-88-8

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 二嗪类
• 中文名称: (1S)-2-氯-1-(2-吡嗪基)乙醇
• 英文名称: (S)-2-(1-hydroxy-2-chloroethyl)-pyrazine
• 英文别名: (S)-2-chloro-1-(pyrazin-2-yl)ethanol；(1S)-2-chloro-1-pyrazin-2-ylethanol
• CAS: 556025-88-8
• 化学式: C₆H₇ClN₂O
• 分子量: 158.587
• InChiKey: UUDOAGGITCXZJP-ZCFIWIBFSA-N

物化性质

• 沸点：
  295.6±35.0 °C(Predicted)
• 密度：
  1.340±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  -0.4
• 重原子数：
  10
• 可旋转键数：
  2
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.33
• 拓扑面积：
  46
• 氢给体数：
  1
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  (1S)-2-氯-1-(2-吡嗪基)乙醇 在 sodium iodide 作用下， 以 甲醇 、 二氯甲烷 为溶剂， 反应 16.5h， 生成 (5R)-3-methyl-5-(2-pyrazinyl)-2-oxazolidinone
  参考文献：
  名称：

  Solvent and in situ catalyst preparation impacts upon Noyori reductions of aryl-chloromethyl ketones: application to syntheses of chiral 2-amino-1-aryl-ethanols

  摘要：

  As part of medicinal chemistry efforts we found it necessary to develop general syntheses of highly enantiomerically enriched 1-aryl-2-chloroethanols and 1-aryl-2-methylaminoethanols. A survey of literature methods suggested that a truly general approach had not yet been reported, encouraging us to undertake the development of such a methodology. This study describes the design, development, and reduction to practice of a general synthesis of chiral 1-aryl-2-chloroethanols and the transformation of these entities to highly enantiomerically enriched 1-aryl-2-methylaminoethanols. Of particular importance were observations of the impact of solvent and the method of catalyst preparation on the yield and enantiomerical excess of chlorohydrins prepared via Noyori transfer hydrogenations of aryl-chloromethyl ketones. (c) 2006 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.tetasy.2006.07.017
• 作为产物：
  描述：

  [[2-chloro-1-(2-pyrazinyl)ethenyl]oxy]tri-isopropylsilane 在 [ruthenium(II)(η⁶-1-methyl-4-isopropyl-benzene)(chloride)(μ-chloride)]₂ 、 (1R,2R)-(-)-N-(对甲基苯磺酰基)-1,2-二苯基乙二胺 甲酸 、 氢氟酸 、 三乙胺 作用下， 以 N,N-二甲基甲酰胺 、 乙腈 为溶剂， 反应 5.0h， 生成 (1S)-2-氯-1-(2-吡嗪基)乙醇
  参考文献：
  名称：

  Solvent and in situ catalyst preparation impacts upon Noyori reductions of aryl-chloromethyl ketones: application to syntheses of chiral 2-amino-1-aryl-ethanols

  摘要：

  As part of medicinal chemistry efforts we found it necessary to develop general syntheses of highly enantiomerically enriched 1-aryl-2-chloroethanols and 1-aryl-2-methylaminoethanols. A survey of literature methods suggested that a truly general approach had not yet been reported, encouraging us to undertake the development of such a methodology. This study describes the design, development, and reduction to practice of a general synthesis of chiral 1-aryl-2-chloroethanols and the transformation of these entities to highly enantiomerically enriched 1-aryl-2-methylaminoethanols. Of particular importance were observations of the impact of solvent and the method of catalyst preparation on the yield and enantiomerical excess of chlorohydrins prepared via Noyori transfer hydrogenations of aryl-chloromethyl ketones. (c) 2006 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.tetasy.2006.07.017

文献信息

• Pyridoquinoxaline antivirals
  申请人：——

  公开号：US20030207877A1

  公开（公告）日：2003-11-06

  The present invention provides a compound of formula I 1 or a pharmaceutically acceptable salt thereof wherein R 1 , R 2 and R 3 are as defined in the specification. The compounds are useful for the treatment of viral infections.

  本发明提供了一种具有以下结构的化合物I或其药学上可接受的盐，其中R1、R2和R3如规范中定义。这些化合物对于治疗病毒感染是有用的。
• Solvent and in situ catalyst preparation impacts upon Noyori reductions of aryl-chloromethyl ketones: application to syntheses of chiral 2-amino-1-aryl-ethanols
  作者：Steven P. Tanis、Bruce R. Evans、James A. Nieman、Timothy T. Parker、Wendy D. Taylor、Steven E. Heasley、Paul M. Herrinton、William R. Perrault、Richard A. Hohler、Lester A. Dolak、Matthew R. Hester、Eric P. Seest

  DOI：10.1016/j.tetasy.2006.07.017

  日期：2006.8

  As part of medicinal chemistry efforts we found it necessary to develop general syntheses of highly enantiomerically enriched 1-aryl-2-chloroethanols and 1-aryl-2-methylaminoethanols. A survey of literature methods suggested that a truly general approach had not yet been reported, encouraging us to undertake the development of such a methodology. This study describes the design, development, and reduction to practice of a general synthesis of chiral 1-aryl-2-chloroethanols and the transformation of these entities to highly enantiomerically enriched 1-aryl-2-methylaminoethanols. Of particular importance were observations of the impact of solvent and the method of catalyst preparation on the yield and enantiomerical excess of chlorohydrins prepared via Noyori transfer hydrogenations of aryl-chloromethyl ketones. (c) 2006 Elsevier Ltd. All rights reserved.