1-p-Chlorphenyl-3-phenylallen | 61692-96-4

• 分子结构分类: 有机化合物 - 苯丙烷和聚酮 - 直链 1,3-二芳基丙烷
• 英文名称: 1-p-Chlorphenyl-3-phenylallen
• 英文别名: Benzene, 1-chloro-4-(3-phenyl-1,2-propadienyl)-
• CAS: 61692-96-4
• 化学式: C₁₅H₁₁Cl
• 分子量: 226.705
• InChiKey: REBJOUOSJMAOHW-UHFFFAOYSA-N

物化性质

• 沸点：
  403.1±25.0 °C(Predicted)
• 密度：
  1.134±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  4.9
• 重原子数：
  16
• 可旋转键数：
  2
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  0
• 氢给体数：
  0
• 氢受体数：
  0

反应信息

• 作为产物：
  描述：

  4-氯苄基三苯基氯化磷蓊盐 在 sodium hydroxide 、 叠氮磷酸二苯酯 、 potassium tert-butylate 、 碘 、 乙酸酐 、 copper(II) sulfate 、 溶剂黄146 、 三乙胺 、 sodium nitrite 作用下， 以 甲醇 、 甲苯 、 苯 为溶剂， 反应 11.55h， 生成 1-p-Chlorphenyl-3-phenylallen
  参考文献：
  名称：

  Electron demand in the transition state of the cyclopropylidene to allene ring opening

  摘要：

  The electronic structure of the transition state for the cyclopropylidene to allene conversion has been probed. The methodology involved the relative rates of ring opening vs trapping by MeOH for a series of variously substituted 2,3-diarylcyclopropylidenes. With the assumption that the rate of trapping was unaffected by substituents, a Hammett correlation was constructed. The negative value (-0.72) for rho indicated that the carbenic center attracts electron density in the ring-opening transition state, much like the cyclopropyl cation to allyl cation transition state. Temperature-dependent studies showed that the observed preference for ring opening was driven by entropy factors. Also, using reasonable estimates for the close to diffusion-controlled trapping activation enthalpies, the derived enthalpies for ring opening were in close agreement with the best theoretical values.

  DOI：

  10.1021/jo00049a042

文献信息

• A Versatile Room-Temperature Route to Di- and Trisubstituted Allenes Using Flow-Generated Diazo Compounds
  作者：Jian-Siang Poh、Duc N. Tran、Claudio Battilocchio、Joel M. Hawkins、Steven V. Ley

  DOI：10.1002/anie.201501538

  日期：2015.6.26

  A copper‐catalyzed coupling reaction between flow‐generated unstabilized diazo compounds and terminal alkynes provides di‐ and trisubstituted allenes. This extremely mild and rapid transformation is highly tolerant of several functional groups.

  流动产生的不稳定的重氮化合物与末端炔烃之间的铜催化偶联反应提供了二取代和三取代的丙二烯。这种极其温和和快速的转化高度耐受几个官能团。
• Gold-Catalyzed Highly Enantioselective Synthesis of Axially Chiral Allenes
  作者：Vanessa Kar-Yan Lo、Man-Kin Wong、Chi-Ming Che

  DOI：10.1021/ol702970r

  日期：2008.2.1

  Axially chiral allenes are synthesized from chiral propargylamines catalyzed by KAuCl4 in high yields (up to 93% yield) and excellent enantioselectivities (up to 97% ee) in CH3CN at 40 degrees C. The reaction has been applied to the synthesis of novel allene-modified artemisinin derivatives with the delicate endoperoxide moieties remaining intact. A tentative mechanism regarding gold(I)-catalyzed intramolecular

  轴向手性丙二烯由 KAuCl4 催化的手性炔丙胺以高产率（产率高达 93%）和优异的对映选择性（高达 97%ee）在 CH3CN 中在 40°C 合成。该反应已应用于合成新型丙二烯-修饰的青蒿素衍生物，其脆弱的内过氧化物部分保持完整。基于氘标记实验和反应混合物的 ESI-MS 分析，提出了关于金 (I) 催化的分子内氢化物转移的初步机制。
• Mechanism of the electrophilic iodination of 1,3-diarylallenes
  作者：Anton J. G. van Rossum、Rutger J. F. Nivard

  DOI：10.1039/p29760001322

  日期：——

  observation that the addition is accompanied by racemisation, and that racemisation and addition rate constants are equal at the same temperature. The ρ value for the iodination of 1-phenyl-3-(p-tolyl)allenes, substituted in the phenyl ring is only –2.3 at 5°. The diminished influence of substituents in this series is ascribed to the alteration of the charge distribution in the transition state by the fixed

  给出了将碘添加到作为溶剂的1,2-二氯乙烷中的12个取代的1,3-二苯基丙二烯中的动力学数据。发现基于σ +值的线性哈米特图对于一个环中被取代的二苯丙二烯而言，在5°时的ρ值为–3.2。这已被证明是过渡态类似于平面的1,3-二苯基烯丙基阳离子的证据。该结论得到以下观察结果的支持，即加成过程伴随着外消旋作用，并且在相同温度下外消旋作用和加成速率常数相等。1-苯基-3-（p的碘化的ρ值在5°时，在苯环中取代的-tolyl）Allenes仅为–2.3。该系列中取代基的影响减小归因于另一环中固定的对甲基取代基改变了过渡态的电荷分布。
• Electron demand in the transition state of the cyclopropylidene to allene ring opening
  作者：Philip Warner、Robert Sutherland

  DOI：10.1021/jo00049a042

  日期：1992.11

  The electronic structure of the transition state for the cyclopropylidene to allene conversion has been probed. The methodology involved the relative rates of ring opening vs trapping by MeOH for a series of variously substituted 2,3-diarylcyclopropylidenes. With the assumption that the rate of trapping was unaffected by substituents, a Hammett correlation was constructed. The negative value (-0.72) for rho indicated that the carbenic center attracts electron density in the ring-opening transition state, much like the cyclopropyl cation to allyl cation transition state. Temperature-dependent studies showed that the observed preference for ring opening was driven by entropy factors. Also, using reasonable estimates for the close to diffusion-controlled trapping activation enthalpies, the derived enthalpies for ring opening were in close agreement with the best theoretical values.