(R)-(+)-1,1,1-trifluoro-3-(2-methyl-1,3-dioxan-2-yl)propan-2-amine | 1044222-24-3

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: (R)-(+)-1,1,1-trifluoro-3-(2-methyl-1,3-dioxan-2-yl)propan-2-amine
• 英文别名: (2R)-1,1,1-trifluoro-3-(2-methyl-1,3-dioxan-2-yl)propan-2-amine
• CAS: 1044222-24-3
• 化学式: C₈H₁₄F₃NO₂
• 分子量: 213.2
• InChiKey: QDYJCSPZDOHOIG-ZCFIWIBFSA-N

物化性质

• 沸点：
  238.7±35.0 °C(Predicted)
• 密度：
  1.174±0.06 g/cm3(Temp: 20 °C; Press: 760 Torr)(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  1
• 重原子数：
  14
• 可旋转键数：
  2
• 环数：
  1.0
• sp3杂化的碳原子比例：
  1.0
• 拓扑面积：
  44.5
• 氢给体数：
  1
• 氢受体数：
  6

反应信息

• 作为反应物：
  描述：

  (R)-(+)-1,1,1-trifluoro-3-(2-methyl-1,3-dioxan-2-yl)propan-2-amine 在 三氟化硼乙醚 、 magnesium sulfate 作用下， 以 二氯甲烷 、 甲苯 为溶剂， 反应 1.5h， 生成 (2E)-(+)-ethyl 3-[(7S,9R)-9-(trifluoromethyl)-1,4-dithia-8-azaspiro[4.5]dec-7-yl]prop-2-enoate
  参考文献：
  名称：

  Asymmetric synthesis of trifluoromethyl-piperidine based γ-amino acids and of trifluoromethyl-indolizidines

  摘要：

  The asymmetric synthesis of trifluoromethyl-piperidine-based gamma-aminoacids and of indolizidines bearing a trifluoromethyl group is reported. These rarely described compounds are prepared in a highly enantio-enriched form employing as key step an intramolecular Mannich type process, involving an enantiopure Tfm-aminoketal and ethyl oxobutenoate as aldehyde partner. Used strategy together with obtained compounds allows the access to a wide range of Tfm-N-(poly)heterocycles, structures of obvious interest for the research of new bioactive drugs. (c) 2012 Elsevier B.V. All rights reserved.

  DOI：

  10.1016/j.jfluchem.2012.11.006
• 作为产物：
  描述：

  3-戊烯-2-酮,5,5,5-三氟-,(3E)-(9CI) 在 palladium hydroxide, 20 wt% on carbon 、 氢气 、 对甲苯磺酸 作用下， 以 甲醇 、 甲苯 、 乙腈 为溶剂， 20.0 ℃ 、344.75 kPa 条件下， 反应 9.0h， 生成 (R)-(+)-1,1,1-trifluoro-3-(2-methyl-1,3-dioxan-2-yl)propan-2-amine
  参考文献：
  名称：

  Asymmetric synthesis of trifluoromethyl-piperidine based γ-amino acids and of trifluoromethyl-indolizidines

  摘要：

  The asymmetric synthesis of trifluoromethyl-piperidine-based gamma-aminoacids and of indolizidines bearing a trifluoromethyl group is reported. These rarely described compounds are prepared in a highly enantio-enriched form employing as key step an intramolecular Mannich type process, involving an enantiopure Tfm-aminoketal and ethyl oxobutenoate as aldehyde partner. Used strategy together with obtained compounds allows the access to a wide range of Tfm-N-(poly)heterocycles, structures of obvious interest for the research of new bioactive drugs. (c) 2012 Elsevier B.V. All rights reserved.

  DOI：

  10.1016/j.jfluchem.2012.11.006

文献信息

• Asymmetric Synthesis of (Trifluoromethyl)piperidines: Preparation of Highly Enantioenriched α′-(Trifluoromethyl)pipecolic Acids
  作者：Jean-Louis Canet、Wahid Jatoi、Annabelle Bariau、Cécile Esparcieux、Gilles Figueredo、Yves Troin

  DOI：10.1055/s-2008-1072768

  日期：2008.5

  The first asymmetric synthesis of (trifluoromethyl)pipecolic acids is reported. The synthetic strategy involves as key step an intramolecular Mannich reaction of a homochiral α-Tfm-β-amino ketal, prepared with a high stereoselectively in four steps from a fluoral hemiacetal.

  报道了（三氟甲基）哌啶酸的第一个不对称合成。合成策略涉及作为关键步骤的同手性 α-Tfm-β-氨基缩酮的分子内曼尼希反应，该反应通过四步从氟代半缩醛以高立体选择性制备。