3-(4-fluorophenyl)-1H-isochromen-1-one | 135030-39-6

• 分子结构分类: 有机化合物 - 苯丙烷和聚酮 - 异香豆素及其衍生物
• 英文名称: 3-(4-fluorophenyl)-1H-isochromen-1-one
• 英文别名: 3-(4-Fluorophenyl)isocoumarin；3-(4-fluorophenyl)isochromen-1-one
• CAS: 135030-39-6
• 化学式: C₁₅H₉FO₂
• 分子量: 240.234
• InChiKey: GWPSLHFXPWNEDS-UHFFFAOYSA-N

物化性质

• 沸点：
  375.5±42.0 °C(Predicted)
• 密度：
  1.309±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  3.6
• 重原子数：
  18
• 可旋转键数：
  1
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  26.3
• 氢给体数：
  0
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  3-(4-fluorophenyl)-1H-isochromen-1-one 在 劳森试剂 作用下， 反应 0.03h， 以95%的产率得到3-(4-fluorophenyl)-1H-isochromene-1-thione
  参考文献：
  名称：

  某些3-芳基-1 H-异戊烯-1-硫酮的合成

  摘要：

  使用Lawesson试剂在无溶剂条件下，实现了一些3取代的异香豆素对相应的1硫代异香豆素的快速微波加速硫化。

  DOI：

  10.1002/jhet.5570450307
• 作为产物：
  描述：

  邻羧基苯乙酸 在 bis-triphenylphosphine-palladium(II) chloride 、 potassium carbonate 、 三氯氧磷 、 2-二环己基磷-2',6'-二异丙氧基-1,1'-联苯 作用下， 以 水 、 N,N-二甲基甲酰胺 为溶剂， 反应 3.5h， 生成 3-(4-fluorophenyl)-1H-isochromen-1-one
  参考文献：
  名称：

  Palladium catalyzed Suzuki Miyaura cross coupling of 3-chloroisochromen-1-one: synthesis of glomellin and reticulol analogues

  摘要：

  A facile protocol has been developed for a series of 3-substituted isochromen-1-ones utilizing Suzuki coupling strategy. The reaction of 3-chloroisochromen-1 one, 1 with different boronic acids utilizing PdCl2(PPh3)(2)-Ruphos catalytic system gave diversified 3-substituted isochromen-1-ones in excellent yields. The methodology has been utilized in the synthesis of glomellin and reticulol analogues. (C) 2014 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.tetlet.2014.12.114

文献信息

• Palladium-catalyzed carbonylative synthesis of isocoumarins and phthalides by using phenyl formate as a carbon monoxide source
  作者：Qing Yuan、Zhen-Bang Chen、Fang-Ling Zhang、Yong-Ming Zhu

  DOI：10.1039/c6ob02409b

  日期：——

  A simple and efficient palladium-catalyzed intramolecular carbonylative synthesis of isocoumarins and phthalides from the easily available starting materials by employing phenyl formate as a CO surrogate has been achieved. The approach affords target compounds in good to excellent yields with the advantages of lower toxicity, milder conditions, easy operation and wide functional group tolerance.

  通过使用甲酸苯酯作为CO替代物，从容易获得的起始原料中，实现了一种简单有效的钯催化的香豆素和邻苯二酚的分子内羰基化合成反应。该方法以较低的毒性，较温和的条件，易于操作和宽泛的官能团耐受性等优点，以优异的收率提供了目标化合物。
• Palladium-Catalyzed Sequential Nucleophilic Addition/Oxidative Annulation of Bromoalkynes with Benzoic Acids To Construct Functionalized Isocoumarins
  作者：Guangbin Jiang、JianXiao Li、Chuanle Zhu、Wanqing Wu、Huanfeng Jiang

  DOI：10.1021/acs.orglett.7b01919

  日期：2017.9.1

  for the preparation of 3-substituted isocoumarins via palladium-catalyzed nucleophilic addition/oxidative annulation of bromoalkynes with benzoic acids has been developed. Remarkably, preliminary mechanistic studies indicated that the transformation might proceed via a stereo- and regioselective nucleophilic addition and C–H functionalization procedure.

  已经开发了通过钯催化的溴炔烃与苯甲酸的亲核加成/氧化环化反应制备3-取代的香豆素的有效而有效的方案。值得注意的是，初步的机理研究表明，转化可能通过立体和区域选择性亲核加成和CH功能化程序进行。
• Sulfoxonium Ylides as Carbene Precursors: Rhodium(III)‐Catalyzed Sequential C−H Functionalization, Selective Enol Oxygen‐Atom Nucleophilic Addition, and Hydrolysis
  作者：Yuanqiong Huang、Xueli Lyu、Hongjian Song、Qingmin Wang

  DOI：10.1002/adsc.201900861

  日期：2019.11.19

  Herein, we report a protocol for Rh(III)‐catalyzed annulation reactions between oxazolines and sulfoxonium ylides via a sequence involving C−H activation, selective enol oxygen‐atom nucleophilic addition, and hydrolysis. This practical, operationally simple protocol has a wide substrate range, excellent regioselectivity, and moderate to good yields.

  在本文中，我们报告了通过Rh活化催化，选择性烯醇氧原子亲核加成和水解的序列，Rh（III）催化的恶唑啉和亚砜基鎓盐之间的环化反应的协议。该实用，操作简单的方案具有广泛的底物范围，出色的区域选择性以及中等至良好的产率。
• Palladium complexes with an annellated mesoionic carbene (MIC) ligand: catalytic sequential Sonogashira coupling/cyclization reaction for one-pot synthesis of benzofuran, indole, isocoumarin and isoquinolone derivatives
  作者：Akshi Tyagi、Noor U Din Reshi、Prosenjit Daw、Jitendra K. Bera

  DOI：10.1039/d0dt02918a

  日期：——

  Two Pd(II) complexes (1 and 2) featuring a fused π-conjugated imidazo[1,2-a][1,8]naphthyridine-based mesoionic carbene ligand have been synthesized and structurally characterized. Both complexes effectively catalyze the one-pot synthesis of benzofuran starting from phenylacetylene and 2-iodophenol under mild conditions. Complex 1 is found to be an excellent catalyst for the straightforward access to

  合成了两个Pd（II）配合物（1和2），这些配合物具有基于π-共轭咪唑并[1,2- a ] [1,8]萘啶基的介电卡宾配体的稠合结构。两种络合物在温和条件下均能有效地催化苯乙炔和2-碘苯酚的一锅法合成苯并呋喃。通过末端炔烃与苯酚，N-甲基苯胺，苯甲酸和N的2-碘衍生物的反应，发现配合物1是直接访问苯并呋喃，吲哚，异香豆素和异喹诺酮衍生物库的极佳催化剂。-甲基苯甲酰胺。使用多种不同取代的末端炔烃证明了催化方法的通用性，并以良好或优异的收率获得了相应的所需产物。在对照实验的基础上，提出了一种二循环机理，该机理涉及2-碘衍生物与炔烃的Sonogashira偶联以及随后的相应2-炔基化合物的环化。
• Copper-catalyzed annulation of 2-bromobenzoic esters with terminal alkynes towards 3-substituted isocoumarins
  作者：Mengli Sun、Lebin Su、Jianyu Dong、Long Liu、Yongbo Zhou、Shuang-Feng Yin

  DOI：10.1016/j.tetlet.2017.05.019

  日期：2017.6

  An efficient method for the synthesis of 3-substituted isocoumarins that are an important class of biologically active scaffolds via annulation of 2-bromobenzoic esters with terminal alkynes by copper catalyzed is described. The advantages of this method include mild reaction conditions, high yield and regioselectivity, and wide tolerance toward functional groups.

  描述了通过铜催化的2-溴苯甲酸酯与末端炔烃的环合反应来合成作为重要的一类生物活性支架的3-取代的香豆素的有效方法。该方法的优点包括温和的反应条件，高收率和区域选择性以及对官能团的广泛耐受性。