1-(4-(pent-1-yn-1-yl)phenyl)ethan-1-one

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: 1-(4-(pent-1-yn-1-yl)phenyl)ethan-1-one
• 英文别名: 1-(4-Pent-1-ynylphenyl)ethanone
• 化学式: C₁₃H₁₄O
• 分子量: 186.254
• InChiKey: WBJUJOKHWWSGBT-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.5
• 重原子数：
  14
• 可旋转键数：
  3
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.31
• 拓扑面积：
  17.1
• 氢给体数：
  0
• 氢受体数：
  1

反应信息

• 作为反应物：
  描述：

  1-(4-(pent-1-yn-1-yl)phenyl)ethan-1-one 在 氢氧化钾 、 tris(triphenylphosphine)ruthenium(II) chloride 、 氢气 、 乙二胺 作用下， 以 异丙醇 为溶剂， 28.0 ℃ 、405.3 kPa 条件下， 反应 1.5h， 以98%的产率得到1-(4-Pent-1-ynyl-phenyl)-ethanol
  参考文献：
  名称：

  Preferential hydrogenation of aldehydes and ketones.

  摘要：

  DOI：

  10.1021/ja00146a041
• 作为产物：
  描述：

  4-氨基苯乙酮 在 亚硝酸特丁酯 、 氯(二甲基硫化)金(I) 作用下， 以 甲醇 、 乙腈 为溶剂， 反应 0.5h， 生成 1-(4-(pent-1-yn-1-yl)phenyl)ethan-1-one
  参考文献：
  名称：

  Gold(I)-Catalyzed Cross-Coupling Reactions of Arenediazonium Salts with Alkynoic Acids

  摘要：

  The reaction of simple alkynoate salts with isolated arenediazonium tetrafluoroborate salts that had been pre-conditioned with the gold(I) catalyst AuCl(Me2S) led to the formation of cross-coupled products via a decarboxylative Sonogashira reaction process in modest yield and under mild conditions. The major by-product is a defunctionalized aryl moiety stemming from the diazonium salt, which competitively forms via hydrodediazonation. Good functional group tolerance and reaction site selectivity were attained in this limited investigation.

  DOI：

  10.1134/s1070428020070180

文献信息

• Polymethylhydrosiloxane (PMHS) as an Additive in Sonogashira Reactions
  作者：Robert E. Maleczka Jr.、William P. Gallagher

  DOI：10.1055/s-2003-37522

  日期：——

  Polymethylhydrosiloxane (PMHS) in combination with CsF facilitates the Sonogashira reaction of a variety of alkynes and electrophiles. These couplings appear to involve the in situ formation and reaction of an alkynylsiloxane. Such couplings can be run amine free at room temperature, reaction times are short, workup is easy, and product purification is straightforward. Thus, the advantages (and disadvantages) of running Sonogashira couplings with 1-silylalkynes are realized, without the need to preform the alkynyl silane.

  聚甲基氢硅氧烷（PMHS）与氟化铯（CsF）结合，促进了多种炔烃与电亲核试剂的索诺加希拉反应。这些偶联反应似乎涉及到原位形成和反应炔基硅氧烷。这些偶联反应可以在室温下无胺进行，反应时间短，后处理简单，产品纯化直观。因此，利用1-硅基炔烃进行索诺加希拉偶联反应的优点（和缺点）得以实现，而无需预先制备炔基硅烷。
• PMHS-Mediated Couplings of Alkynes or Benzothiazoles with Various Electrophiles:  Application to the Synthesis of (−)-Akolactone A
  作者：William P. Gallagher、Robert E. Maleczka

  DOI：10.1021/jo034463+

  日期：2003.8.1

  Polymethylhydrosiloxane (PMHS) in combination with CsF facilitates the cross-coupling of alkynes or benzothiazoles with an array of vinyl, styryl, and aryl halides or nonaflates as well as acid chlorides. Experimental and spectroscopic evidence indicates that these reactions involve the in situ generation of a siloxyl intermediate. These cross-couplings proceed relatively quickly at room temperature

  聚甲基氢硅氧烷（PMHS）与CsF的结合有助于炔烃或苯并噻唑与一系列乙烯基，苯乙烯基和芳基卤化物或壬二酸酯以及酰基氯的交叉偶联。实验和光谱证据表明，这些反应涉及甲硅烷氧基中间体的原位生成。这些交叉偶联在室温和无胺条件下进行得相对较快。为了证明该方法的适用性，进行了全细胞毒性丁醇内酯（-）-可可内酯A的合成。
• Synthesis of α-heterosubstituted ketones through sulfur mediated difunctionalization of internal alkynes
  作者：Zhong Zhang、Yuzheng Luo、Hongguang Du、Jiaxi Xu、Pingfan Li

  DOI：10.1039/c9sc00568d

  日期：——

  Synthesis of α-heterosubstituted ketones was achieved through sulfur mediated difunctionalization of internal alkynes in one pot. The reaction design involves: phenyl substituted internal alkyne attacking triflic anhydride activated diphenyl sulfoxide to give a sulfonium vinyl triflate intermediate, hydrolysis to give an α-sulfonium ketone, and then substitution with various nucleophiles. This method

  α-杂取代酮的合成是通过硫介导的内部炔烃的双官能化一锅法实现的。反应设计包括：苯基取代的内炔攻击三氟甲磺酸酐活化的二苯亚砜，得到乙烯基三氟甲磺酸锍中间体，水解得到α-锍酮，然后用各种亲核试剂取代。该方法提供了快速获取α-氨基酮、α-酰氧基酮、α-硫酮、α-卤代酮、α-羟基酮和相关杂环结构的统一途径。
• Visible‐Light‐Promoted Oxy‐difluoroalkylation of Aryl Alkynes for the Synthesis of <i>β</i> ‐Fluoroenones and <i>α</i> ‐Difluoroalkyl Ketones
  作者：Zhong Zhang、Xiangqian Li、Dayong Shi

  DOI：10.1002/adsc.202100289

  日期：2021.7

  synthesis of (E)-β-fluoroenones and α-difluoroalkyl ketones have been achieved. By employing water as oxygen source, potassium carbonate as base, tetrasubstituted β-fluoroenones could be regio- and stereoselectively synthesized by oxy-difluoroalkylation of alkynes under visible light irradiated with moderate to good yields. α-Difluoroalkyl ketones could be obtained while using phenylpyridine as base

  一种选择性合成( E ) -β-氟烯酮和α-二氟烷基酮的方法已经实现。以水为氧源，碳酸钾为碱，在可见光照射下，炔烃的氧二氟烷基化反应可以区域选择性和立体选择性地合成四取代的β-氟代烯酮，收率适中。以苯基吡啶为碱可制得α-二氟烷基酮。这种改造具有条件温和、功能耐受性广、步骤经济等特点。大规模转化和进一步衍生化显示了其在有机合成中的潜在应用。
• Regio- and Stereoselective Radical Perfluoroalkyltriflation of Alkynes Using Phenyl(perfluoroalkyl)iodonium Triflates
  作者：Xi Wang、Armido Studer

  DOI：10.1021/acs.orglett.7b01215

  日期：2017.6.2

  A method for regio- and stereoselective anti-addition of the perfluoroalkyl and the triflate group of phenyl(perfluoroalkyl)iodonium triflates to alkynes is presented. The radical reaction uses cheap CuCl as a smart initiator and can be conducted in gram scale. The perfluoroalkyltriflated products are readily further functionalized, rendering this transformation valuable.

  提出了将全氟烷基和苯基（全氟烷基）碘鎓三氟甲磺酸酯的三氟甲磺酸酯基区域和立体选择性反加成至炔烃的方法。自由基反应使用廉价的CuCl作为智能引发剂，并且可以以克为单位进行。全氟烷基三氟甲磺酸酯产品易于进一步官能化，使这种转化有价值。