N,N,2-三甲基戊酰胺 | 20428-68-6

• 分子结构分类: 有机化合物 - 脂质和类脂质分子 - 脂肪酰基
• 中文名称: N,N,2-三甲基戊酰胺
• 英文名称: N,N,2-Trimethylpentanamide
• 英文别名: 2-methyl-valeric acid dimethylamide；2,N,N-Trimethyl-valeramid；2-Methyl-valeriansaeure-dimethylamid；2,N,N-Trimethyl-valeramid
• CAS: 20428-68-6
• 化学式: C₈H₁₇NO
• 分子量: 143.229
• InChiKey: NILXGKHONUPPQN-UHFFFAOYSA-N

物化性质

• 沸点：
  200.0±8.0 °C(Predicted)
• 密度：
  0.866±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  1.7
• 重原子数：
  10
• 可旋转键数：
  3
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.88
• 拓扑面积：
  20.3
• 氢给体数：
  0
• 氢受体数：
  1

反应信息

• 作为反应物：
  描述：

  N,N,2-三甲基戊酰胺 在 ammonium hydroxide 、 草酰氯 、 溶剂黄146 、 三乙胺 、 lithium diisopropyl amide 、 sodium nitrite 作用下， 以 四氢呋喃 、 乙醇 、 正庚烷 、 乙基苯 为溶剂， 反应 37.75h， 生成 6-(1-Methyl-1-propyl-butyl)-[1,2,4,5]tetrazin-3-ylamine
  参考文献：
  名称：

  A Simple Route to Unsymmetrically Substituted 1,2,4,5-Tetrazines

  摘要：

  DOI：

  10.1021/jo00105a059
• 作为产物：
  描述：

  N,N-二甲基丙酰胺 、 1-碘代丙烷 生成 N,N,2-三甲基戊酰胺
  参考文献：
  名称：

  Crouse,D.N.; Seebach,D., Chemische Berichte, 1968, vol. 101, p. 3113 - 3121

  摘要：

  DOI：

文献信息

• PROCESS FOR THE PREPARATION OF TAPENTADOL
  申请人：Rajadhyaksha Mangesh Narayan

  公开号：US20130137890A1

  公开（公告）日：2013-05-30

  Disclosed herein is an improved process for the preparation of 3-[(2R,3R)-1-(dimethylamino)-2-methylpentan-3-yl]phenol of Formula-I and its pharmaceutically acceptable salt which comprises the reaction of (S)-1-(dimethylamino)-2-methylpentan-3-one of formula VIII with 3-bromo anisole of formula II under Grignard conditions to get the compound (2S, 3R)-1-(dimethylamino)-3-(3-methoxyphenyl)-2-methyl pentan-3-ol of formula V followed by activation of the —OH group of the formula V to convert into sulfonate esters of formula IX, which are on reductive deoxygenation to yield (2R,3R)-3-(3-methoxyphenyl)-N,N,2-trimethylpentan-1-amine of formula VII and demethylation of formula VII to obtain the compound 3-[(2R,3R)-1-(dimethylamino)-2-methylpentan-3-yl]phenol of Formula-1.

  本文揭示了一种改进的制备3-[(2R,3R)-1-(二甲基氨基)-2-甲基戊基]苯酚（化学式I）及其药用可接受盐的方法，包括将化学式VIII的(S)-1-(二甲基氨基)-2-甲基戊酮与化学式II的3-溴苯甲醚在格氏试剂条件下反应，得到化合物(2S, 3R)-1-(二甲基氨基)-3-(3-甲氧基苯基)-2-甲基戊醇（化学式V），随后激活化合物V的—OH基团，转化为磺酸酯（化学式IX），再经还原脱氧作用得到(2R,3R)-3-(3-甲氧基苯基)-N,N,2-三甲基戊酰胺（化学式VII），对化学式VII进行去甲基化反应，得到化合物3-[(2R,3R)-1-(二甲基氨基)-2-甲基戊基]苯酚（化学式I）。
• TRIFLUOROMETHYLTHIOPHENIUM DERIVATIVE SALT, METHOD FOR PRODUCING THE SAME, AND METHOD FOR PRODUCING TRIFLUOROMETHYL-CONTAINING COMPOUNDS USING THE SAME
  申请人：Shibata Norio

  公开号：US20120130090A1

  公开（公告）日：2012-05-24

  A trifluoromethylthiophenium derivative salt useful as synthetic intermediates for pharmaceuticals and agrochemicals, a method for producing the same, and a method for producing trifluoromethyl-containing compounds using the same are provided. An S-(trifluoromethyl)-benzo[b]thiophenium derivative salt is represented by the following general formula (1): wherein R 1 , R 2 , R 3 , and R 4 are each independently a hydrogen atom, a methyl group, an ethyl group, a linear, branched, or cyclic alkyl group having 3 to 10 carbon atoms, a methoxy group, an ethoxy group, a linear, branched, or cyclic alkyloxy group having 3 to 10 carbon atoms, a fluorine atom, a chlorine atom, a bromine atom, a nitro group, or a cyano group, R 5 is a methyl group, an ethyl group, a linear, branched, or cyclic alkyl group having 3 to 10 carbon atoms, a phenyl group, or a substituted phenyl group, and X − represents an anion. Various trifluoromethyl-containing compounds are produced using a method for producing the S-(trifluoromethyl)-benzo[b]thiophenium derivative salt, and using the S-(trifluoromethyl)-benzo[b]thiophenium derivative salt as a trifluoromethylating agent.

  本发明提供一种三氟甲基噻吩盐衍生物，可用作制药和农药的合成中间体，以及其制备方法和使用该盐衍生物制备含三氟甲基化合物的方法。S-(三氟甲基)-苯并[b]噻吩盐衍生物由下列普通式（1）表示：其中，R1、R2、R3和R4各自独立地是氢原子、甲基基团、乙基基团、具有3至10个碳原子的线性、支链或环烷基基团、甲氧基基团、乙氧基基团、具有3至10个碳原子的线性、支链或环烷氧基基团、氟原子、氯原子、溴原子、硝基或氰基，R5是甲基基团、乙基基团、具有3至10个碳原子的线性、支链或环烷基基团、苯基或取代苯基，X-表示阴离子。使用制备S-(三氟甲基)-苯并[b]噻吩盐衍生物的方法以及使用S-(三氟甲基)-苯并[b]噻吩盐衍生物作为三氟甲基化试剂可以制备各种三氟甲基含量的化合物。
• TRIFLUOROMETHYLTHIOPHENIUM DERIVATIVE SALTS, PROCESS FOR PRODUCITON THEREOF, AND PROCESS FOR PRODUCTION OF TRIFLUOROMETHYL-CONTAINING COMPOUNDS USING SAME
  申请人：Nagoya Institute of Technology

  公开号：EP2460802A1

  公开（公告）日：2012-06-06

  A trifluoromethylthiophenium derivative salt useful as synthetic intermediates for pharmaceuticals and agrochemicals, a method for producing the same, and a method for producing trifluoromethyl-containing compounds using the same are provided. An S-(trifluoromethyl)-benzo[b]thiophenium derivative salt is represented by the following general formula (1): wherein R1, R2, R3, and R4 are each independently a hydrogen atom, a methyl group, an ethyl group, a linear, branched, or cyclic alkyl group having 3 to 10 carbon atoms, a methoxy group, an ethoxy group, a linear, branched, or cyclic alkyloxy group having 3 to 10 carbon atoms, a fluorine atom, a chlorine atom, a bromine atom, a nitro group, or a cyano group, R5 is a methyl group, an ethyl group, a linear, branched, or cyclic alkyl group having 3 to 10 carbon atoms, a phenyl group, or a substituted phenyl group, and X- represents an anion. Various trifluoromethyl-containing compounds are produced using a method for producing the S-(trifluoromethyl)-benzo[b]thiophenium derivative salt, and using the S-(trifluoromethyl)-benzo[b]thiophenium derivative salt as a trifluoromethylating agent.

  本发明提供了一种可用作医药和农用化学品合成中间体的三氟甲基噻吩衍生物盐、生产该衍生物盐的方法以及使用该衍生物盐生产含三氟甲基化合物的方法。一种 S-(三氟甲基)-苯并[b]噻吩衍生物盐由以下通式(1)表示： 其中 R1、R2、R3 和 R4 各自独立地为氢原子、甲基、乙基、具有 3 至 10 个碳原子的直链、支链或环状烷基、甲氧基、乙氧基、具有 3 至 10 个碳原子的直链、支链或环状烷氧基、氟原子、氯原子、溴原子、硝基或氰基，R5 是甲基、乙基、具有 3 至 10 个碳原子的直链、支链或环状烷基、苯基或取代苯基，X- 代表阴离子。使用生产 S-(三氟甲基)-苯并[b]噻吩衍生物盐的方法，并使用 S-(三氟甲基)-苯并[b]噻吩衍生物盐作为三氟甲基化剂，可生产出各种含三氟甲基的化合物。
• Resin composition for display substrate, and heat-resistant resin film, organic EL display substrate, and method for manufacturing organic EL display using same
  申请人：TORAY INDUSTRIES, INC.

  公开号：US10590306B2

  公开（公告）日：2020-03-17

  A resin composition for a display substrate, the resin composition including a solvent and a heat-resistant resin or a precursor thereof, wherein the solvent has as a main component an amide compound having a surface tension of 35 mN/m or less at 25° C. Provided is a resin composition for a display substrate, whereby pinholing of a thin film is not prone to occur.

  一种用于显示基板的树脂组合物，该树脂组合物包括溶剂和耐热树脂或其前体，其中溶剂的主要成分是酰胺化合物，其在 25°C 时的表面张力为 35 mN/m 或更小。
• Preparation of Aliphatic Ketones from Lithium Alkyls and Dimethylamides
  作者：Patrick Izzo、S Safir

  DOI：10.1021/jo01087a605

  日期：1959.5