1-(2-(甲硫基)苯基)-2-(2-吡啶基)乙炔 | 1019322-00-9

• 分子结构分类: 有机化合物 - 有机硫化合物 - 硫醚类
• 中文名称: 1-(2-(甲硫基)苯基)-2-(2-吡啶基)乙炔
• 英文名称: 1-(2-(methylthio)phenyl)-2-(2-pyridyl)acetylene
• CAS: 1019322-00-9
• 化学式: C₁₄H₁₁NS
• 分子量: 225.314
• InChiKey: YYNPIBHMXVZDFS-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.2
• 重原子数：
  16.0
• 可旋转键数：
  1.0
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.07
• 拓扑面积：
  12.89
• 氢给体数：
  0.0
• 氢受体数：
  2.0

反应信息

• 作为反应物：
  描述：

  1-(2-(甲硫基)苯基)-2-(2-吡啶基)乙炔 在 Oxone 作用下， 以 1,4-二氧六环 、 水 为溶剂， 以66%的产率得到2-[2-(2-Methylsulfonylphenyl)ethynyl]pyridine
  参考文献：
  名称：

  Synthesis and cyclooxygenase inhibitory activities of linear 1-(methanesulfonylphenyl or benzenesulfonamido)-2-(pyridyl)acetylene regioisomers

  摘要：

  A group of 1-(aminosulfonylphenyl and methylsulfonylphenyl)-2-(pyridyl) acetylene regioisomers were designed such that a COX-2 SO2NH2 pharmacophore was located at the para-position of the phenyl ring, or a SO2Me pharmacophore was placed at the ortho-, meta- or para-position of the phenyl ring, on an acetylene template (scaffold). The point of attachment of the pyridyl ring to the acetylene linker was simultaneously varied (2-pyridyl, 3-pyridyl, 4-pyridyl, 3-methyl- 2-pyridyl) to determine the combined effects of positional, steric, and electronic substituent properties upon COX-1 and COX-2 inhibitory potency and COX isozyme selectivity. These target linear 1-(phenyl)-2-(pyridyl) acetylenes were synthesized via a palladium-catalyzed Sonogashira cross-coupling reaction. Structure-activity relationship (SAR) data (IC50 values) acquired by determination of the in vitro ability of the title compounds to inhibit the COX-1 and COX-2 isozymes showed that the position of the COX-2 SO2NH2 or SO2Me pharmacophore on the phenyl ring, and the point of attachment of the pyridyl ring to the acetylene linker, were either individual, or collective, determinants of COX-2 inhibitory potency and selectivity. A number of compounds discovered in this study, particularly 1-(4-aminosulfonylphenyl)-2-(3-methyl-2-pyridyl) acetylene (22), 1-(3-methanesulfonylphenyl)-2-(2-pyridyl) acetylene (27), 1-(3methanesulfonylphenyl)-2-(4-pyridyl)acetylene (29), 1-(4-methanesulfonylphenyl)-2-(2-pyridyl)acetylene (30), and 1-(4-methanesulfonylphenyl)2-(3-pyridyl)acetylene (31), exhibit potent (IC50 = 0.04-0.33 mu M range) and selective (SI = 18 to > 312 range) COX-2 inhibitory activities, that compare favorably with the reference drug celecoxib (COX-2 IC50 = 0.07 mu M; COX-2 SI = 473). The sulfonamide (22), and methylsulfonyl (27 and 31), compounds exhibited anti-inflammatory activities (ID50 = 59.9-76.6 mg/kg range) that were intermediate in potency between the reference drugs aspirin (ID50 = 128.7 mg/kg) and celecoxib (ID50 = 10.8 mg/kg). (c) 2007 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.bmc.2007.11.003
• 作为产物：
  描述：

  2-溴吡啶 、 1-乙炔基-2-(甲硫基)苯 在 bis-triphenylphosphine-palladium(II) chloride copper(l) iodide 、 三乙胺 作用下， 以100%的产率得到1-(2-(甲硫基)苯基)-2-(2-吡啶基)乙炔
  参考文献：
  名称：

  Synthesis and cyclooxygenase inhibitory activities of linear 1-(methanesulfonylphenyl or benzenesulfonamido)-2-(pyridyl)acetylene regioisomers

  摘要：

  A group of 1-(aminosulfonylphenyl and methylsulfonylphenyl)-2-(pyridyl) acetylene regioisomers were designed such that a COX-2 SO2NH2 pharmacophore was located at the para-position of the phenyl ring, or a SO2Me pharmacophore was placed at the ortho-, meta- or para-position of the phenyl ring, on an acetylene template (scaffold). The point of attachment of the pyridyl ring to the acetylene linker was simultaneously varied (2-pyridyl, 3-pyridyl, 4-pyridyl, 3-methyl- 2-pyridyl) to determine the combined effects of positional, steric, and electronic substituent properties upon COX-1 and COX-2 inhibitory potency and COX isozyme selectivity. These target linear 1-(phenyl)-2-(pyridyl) acetylenes were synthesized via a palladium-catalyzed Sonogashira cross-coupling reaction. Structure-activity relationship (SAR) data (IC50 values) acquired by determination of the in vitro ability of the title compounds to inhibit the COX-1 and COX-2 isozymes showed that the position of the COX-2 SO2NH2 or SO2Me pharmacophore on the phenyl ring, and the point of attachment of the pyridyl ring to the acetylene linker, were either individual, or collective, determinants of COX-2 inhibitory potency and selectivity. A number of compounds discovered in this study, particularly 1-(4-aminosulfonylphenyl)-2-(3-methyl-2-pyridyl) acetylene (22), 1-(3-methanesulfonylphenyl)-2-(2-pyridyl) acetylene (27), 1-(3methanesulfonylphenyl)-2-(4-pyridyl)acetylene (29), 1-(4-methanesulfonylphenyl)-2-(2-pyridyl)acetylene (30), and 1-(4-methanesulfonylphenyl)2-(3-pyridyl)acetylene (31), exhibit potent (IC50 = 0.04-0.33 mu M range) and selective (SI = 18 to > 312 range) COX-2 inhibitory activities, that compare favorably with the reference drug celecoxib (COX-2 IC50 = 0.07 mu M; COX-2 SI = 473). The sulfonamide (22), and methylsulfonyl (27 and 31), compounds exhibited anti-inflammatory activities (ID50 = 59.9-76.6 mg/kg range) that were intermediate in potency between the reference drugs aspirin (ID50 = 128.7 mg/kg) and celecoxib (ID50 = 10.8 mg/kg). (c) 2007 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.bmc.2007.11.003

文献信息

• Electrochemical synthesis of sulfonated benzothiophenes using 2-alkynylthioanisoles and sodium sulfinates
  作者：Ming-Ming Zhang、Yu Sun、Wan-Wan Wang、Kang-Kang Chen、Wen-Chao Yang、Lei Wang

  DOI：10.1039/d1ob00079a

  日期：——

  Electrochemical sulfonylation/cyclization of 2-alkynylthioanisoles with sodium sulfinates was developed under catalyst-, external oxidant- and metal-free conditions. The electrosynthesis provides sustainable and efficient access to 3-sulfonated benzothiophenes with good substrate scope and functional group tolerance. This cascade radical process has been triggered through a sulfonyl radical addition

  2-炔基硫代苯甲醚与亚磺酸钠的电化学磺酰化/环化是在无催化剂、无外部氧化剂和无金属条件下开发的。电合成为具有良好底物范围和官能团耐受性的 3-磺化苯并噻吩提供了可持续和有效的途径。这种级联自由基过程是通过在电化学条件下使用亚磺酸钠对炔烃进行磺酰基自由基加成来触发的。
• Cascade Radical Annulation of 2-Alkynylthio(seleno)anisoles with Acetone or Acetonitrile: Synthesis of 3-Acetomethyl- or Cyanomethyl-Substituted Benzothio(seleno)phenes
  作者：Tao Cai、Fangqi Shen、Yuqi Ni、Huiting Xu、Runpu Shen、Yuzhen Gao

  DOI：10.1021/acs.joc.0c02444

  日期：2021.1.1

  for the direct preparation of 3-aceto(cyano)methyl-substituted benzothio(seleno)phenes has been achieved through C(sp3)–H bond activation of easily available acetone or acetonitrile and cascade radical cyclization reaction. In this cascade radical cyclization reaction, C(sp2)–C(sp3) and C(sp2)–S bonds, as well as benzenethio(seleno)phene skeletons, can be built along with the cleavage of the C(sp3)–S

  通过容易获得的丙酮或乙腈的C（sp 3）-H键活化和级联自由基环化反应，已经实现了直接制备3-乙酰基（氰基）甲基取代的苯并硫基（硒代）苯的有效方法。在此级联自由基环化反应中，可以随C（sp）的裂解构建C（sp 2）–C（sp 3）和C（sp 2）–S键以及苯硫基（硒代）苯骨架。3）– S键，证明这种方法具有较高的步骤经济性和效率。
• Visible-light-induced halocyclization of 2-alkynylthioanisoles with simple alkyl halides towards 3-halobenzo[<i>b</i>]thiophenes without an external photocatalyst
  作者：Fen-Dou Wang、Chunmiao Wang、Min Wang、Han Yan、Jin Jiang、Pinhua Li

  DOI：10.1039/d3ob00860f

  日期：——

  A new strategy for the preparation of 3-halobenzo[b]thiophenes via a photo-driven halocyclization/demethylation of 2-alkynylthioanisoles with simple alkyl halides was developed. The reaction can proceed smoothly at room temperature under visible-light irradiation without any external photocatalyst, and the protocol has a range of advantages, including simplicity and mildness of the reaction conditions

  开发了一种通过简单的烷基卤化物对 2-炔基茴香醚进行光驱动卤环化/去甲基化来制备 3-卤代苯并[ b ]噻吩的新策略。该反应可在室温、可见光照射下顺利进行，无需任何外部光催化剂，该方案具有反应条件简单温和、官能团耐受性好、产物收率优异等优点。
• Photoinduced Radical Cyclization of 2-Alkynylthioanisoles with Disulfides without an External Photocatalyst
  作者：Han Yan、Fen-Dou Wang、Min Wang、Liang Ye、Pinhua Li

  DOI：10.1021/acs.joc.3c01776

  日期：2023.11.3

  An efficient strategy for the synthesis of 3-arylthiobenzo[b]thiophenes via a photodriven radical cyclization of 2-alkynylthioanisoles with disulfide was developed. The reaction proceeded smoothly under visible-light irradiation without any external photocatalyst and generated the desired products in high yields with good functional group tolerance.

  开发了一种通过 2-炔基苯硫基苯甲醚与二硫化物光驱动自由基环化合成 3-芳基硫代苯并[ b ]噻吩的有效策略。该反应在可见光照射下顺利进行，无需任何外部光催化剂，并以高产率生成具有良好官能团耐受性的所需产物。
• Visible-light-promoted cascade selenylative cyclization of 2-alkynylthioanisoles for the synthesis of seleno-benzothiophenes
  作者：Zhanghong Wang、Jia-Le Li、Shu-Peng Zhang、Wen-Chao Yang

  DOI：10.1016/j.mcat.2023.113469

  日期：2023.10

  photochemical cyclization of 2-alkynylthioanisoles with diselenides is demonstrated. Presented in this work is operationally simple, environmentally friendly and efficient, which enables a direct synthesis of seleno-benzothiophenes under photocatalyst and metal-free conditions. The practicality and robustness of this cascade cyclization reaction are showcased by large-scale synthesis.

  证明了 2-炔基茴香硫醚与二硒化物的光化学环化。这项工作操作简单、环境友好、高效，能够在光催化剂和无金属条件下直接合成硒代苯并噻吩。大规模合成展示了这种级联环化反应的实用性和稳健性。