2-乙炔基-5-氟苯胺 | 255724-68-6

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 中文名称: 2-乙炔基-5-氟苯胺
• 英文名称: 2-ethynyl-5-fluoroaniline
• CAS: 255724-68-6
• 化学式: C₈H₆FN
• 分子量: 135.141
• InChiKey: WCWJEBFJXNTGSB-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.6
• 重原子数：
  10
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  26
• 氢给体数：
  1
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  2-乙炔基-5-氟苯胺 在 copper(l) iodide 、 calcium carbonate 作用下， 以 N,N-二甲基甲酰胺 为溶剂， 生成 6-氟吲哚
  参考文献：
  名称：

  3-(4-Fluoropiperidin-3-yl)-2-phenylindoles as High Affinity, Selective, and Orally Bioavailable h5-HT_2A Receptor Antagonists

  摘要：

  The development of very high affinity, selective, and bioavailable h5-HT2A receptor antagonists is described. By investigation of the optimal position for the basic nitrogen in a series of 2-phenyl-3-piperidylindoles, it was found that with the basic nitrogen at the S-position of the piperidine it was not necessary to further substitute the piperidine in order to obtain good binding at h5-HT2A receptors. This meant the compounds no longer had high affinity at the IKr potassium channel, an issue with previous series of 2-aryl-3-(4-piperidyl)indoles. Improvements could be made to oral bioavailability in this series by reduction of the pK(a) of the basic nitrogen, by adding a fluorine atom to the piperidine ring, leading to 3-(4-fluoropiperidin-3-yl)-2-phenyl-1H-indole (17). Metabolic studies with this compound identified oxidation at the B-position of the indole as a major route in vitro and in vivo in rats. Blocking this position with a fluorine atom led to 6-fluoro-3-(4-fluoropiperidin-3-yl)-2-phenyl-1H-indole (22), an antagonist with 0.06 nM affinity for h5-HT2A receptors, with bioavailability of 80% and half-life of 12 h in rats.

  DOI：

  10.1021/jm0004998
• 作为产物：
  描述：

  5-氟-2-碘苯胺 在 bis-triphenylphosphine-palladium(II) chloride 、 copper(l) iodide 、 potassium carbonate 、 三乙胺 作用下， 以 四氢呋喃 、 甲醇 为溶剂， 反应 0.17h， 生成 2-乙炔基-5-氟苯胺
  参考文献：
  名称：

  路易斯酸催化的2-乙炔基苯丙醇制备的1H-吡咯并[1,2-a]吲哚

  摘要：

  描述了一种新型的高效，环境友好的路易斯酸催化且无保护的方案，用于构建带有1 H-吡咯并[1,2- a ]吲哚骨架的有价值的多环产物，从容易获得的炔丙醇和2开始乙炔基苯胺。一锅转换需要裂解一个C-O键，两个C-N键和一个C-C双键。这种独特的操作简单的方法是在温和条件下和空气中进行的，产生的水是唯一的副产物。它具有可伸缩性，并显示出良好的功能组兼容性和广泛的适用范围。

  DOI：

  10.1002/adsc.201901409

文献信息

• Copper-Catalyzed Trifluoromethylation/Cyclization of Alkynes for Synthesis of Dioxodibenzothiazepines
  作者：Zi-Qi Zhang、Yi-Hao Xu、Jing-Cheng Dai、Yan Li、Jie Sheng、Xi-Sheng Wang

  DOI：10.1021/acs.orglett.1c00344

  日期：2021.3.19

  A facile and efficient approach for the synthesis of the CF3-containing dioxodibenzothiazepines has been developed via copper-catalyzed trifluoromethylation/cyclization of alkynes utilizing a radical relay strategy. This method has demonstrated low catalyst loading, high regiocontrol, and broad scope under mild conditions. Good compatibility for the N-protecting group, gram-scale experiment, and further

  通过使用自由基中继策略的炔烃的铜催化三氟甲基化/环化，已经开发了一种简便且有效的合成含CF 3的二氧二苯并硫氮杂ze类化合物的方法。在温和条件下，该方法已证明催化剂用量低，区域控制性强且适用范围广。与N保护基的良好相容性，克级实验以及产物的进一步推导证明了这种转化的多功能性。
• Photoinduced Radical Cascade Cyclization: A Metal-Free Approach to Access Difluoroalkylated Dioxodibenzothiazepines
  作者：Qian Xiao、Maojian Lu、Yinglan Deng、Jing-Xin Jian、Qing-Xiao Tong、Jian-Ji Zhong

  DOI：10.1021/acs.orglett.1c03700

  日期：2021.12.3

  A simple and mild photoredox catalytic approach to access difluoroalkylated dioxodibenzothiazepines in high regioselectivity via radical cascade cyclization has been described herein. In contrast to previous methods, this strategy does not involve the use of transition-metal catalysts and avoids the potential disadvantages of inevitable toxicity and the tedious removal process of metal catalysts. The

  本文描述了一种简单且温和的光氧化还原催化方法，可通过自由基级联环化以高区域选择性获得二氟烷基化二氧二苯并硫氮杂。与以前的方法相比，该策略不涉及过渡金属催化剂的使用，避免了不可避免的毒性和金属催化剂去除过程繁琐的潜在缺点。市售且廉价的CF 2前体、广泛的底物范围和温和的反应条件证明了该方法的实用性。
• Copper(<scp>i</scp>)-catalyzed tandem synthesis of 2-acylquinolines from 2-ethynylanilines and glyoxals
  作者：Guanghui Wang、Jian Jia、Gang Liu、Mingwu Yu、Xiaoxiao Chu、Xiguang Liu、Ximei Zhao

  DOI：10.1039/d1cc05612c

  日期：——

  An efficient one-step synthesis of 2-acylquinolines using a copper-catalyzed tandem reaction of 2-ethynylanilines with glyoxals in the presence of piperidine has been developed. This new protocol successfully avoids multi-step operation and the use of highly toxic cyanides required in traditional methods, and provides a practical tool for synthetic and pharmaceutical chemists. Various 2-acylquinolines

  在哌啶存在下，使用铜催化的 2-乙炔苯胺与乙二醛的串联反应，开发了一种有效的一步合成 2-酰基喹啉。这一新方案成功避免了传统方法所需的多步骤操作和剧毒氰化物的使用，为合成和药物化学家提供了实用工具。以中等至良好的产率（高达 86%）获得了具有完美区域选择性的各种 2-酰基喹啉。该方法的潜在合成效用可通过产品的大规模实验和合成转化来举例说明。
• Copper-Catalyzed Tandem Cross-Coupling/[2 + 2] Cycloaddition of 1,6-Allenynes with Diazo Compounds to 3-Azabicyclo[5.2.0] Ring Systems
  作者：Min He、Nuan Chen、Ting Zhou、Qing Li、Hongguang Li、Ming Lang、Jian Wang、Shiyong Peng

  DOI：10.1021/acs.orglett.9b03727

  日期：2019.12.6

  An unprecedented copper-catalyzed tandem cross-coupling/[2 + 2] cycloaddition of 1,6-allenynes with diazo compounds was reported, chemo- and regioselectively providing 3-azabicyclo[5.2.0] frameworks in moderate to excellent yields under mild reaction conditions. Moreover, the products readily convert to highly functionalized quinolines via oxidative radical rearrangement.

  据报道，空前的铜催化串联交叉偶联/ [2 + 2]与重氮化合物进行1,6-炔炔的环加成反应，在温和的反应下，化学和区域选择性地以中等至优异的产率提供了3-氮杂双环[5.2.0]骨架。情况。而且，产物容易通过氧化自由基重排转化为高度官能化的喹啉。
• Design and synthesis of mycobacterial pks13 inhibitors: Conformationally rigid tetracyclic molecules
  作者：Wei Zhang、Ling-ling Liu、Shichun Lun、Shuang-Shuang Wang、Shiqi Xiao、Hendra Gunosewoyo、Fan Yang、Jie Tang、William R. Bishai、Li-Fang Yu

  DOI：10.1016/j.ejmech.2021.113202

  日期：2021.3

  tuberculosis (Mtb), resulting in superior anti-tuberculosis (TB) activity. Compared to the corresponding ‘open-form’ ethyl benzofuran-3-carboxylates, the enhanced anti-TB effects seen with the conformationally restricted coumestan series could be attributed to the extra π-π stacking interactions between the benzene ring of coumestans and the phenyl ring of F1670 residue located in the Pks13-TE binding

  我们之前报道了一系列香豆素——一种含有δ-内酯的天然四环支架——可有效靶向结核分枝杆菌( Mtb )中聚酮合酶 13 (Pks13) 的硫酯酶结构域，从而产生优异的抗结核 (TB) 活性。与相应的“开放式”苯并呋喃-3-羧酸乙酯相比，构象受限的香豆素系列增强的抗结核作用可归因于香豆素的苯环和苯环之间额外的 π-π 堆积相互作用位于 Pks13-TE 结合域的 F1670 残基。为了进一步探索这种结合特征，合成了新的四环类似物并评估了它们对Mtb的抗结核活性菌株 H 37 Rv。“开放形式”类似物与四环对应物的初步比较再次表明后者在抗结核活性方面更胜一筹。特别是含有 δ-内酰胺的 5 H - benzofuro [3,2 - c ]quinolin-6-ones 给出了最有希望的结果。化合物65显示出对Mtb H 37 Rv 的有效活性，MIC 值介于 0.0313 和 0.0625 μg/mL