1-allyl-2-phenyl-2,1-borazaronaphthalene | 1510779-66-4

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 英文名称: 1-allyl-2-phenyl-2,1-borazaronaphthalene
• 英文别名: 1-allyl-2-phenyl-1,2-dihydrobenzo[e][1,2]azaborinine；2-Phenyl-1-prop-2-enyl-1,2-benzazaborinine
• CAS: 1510779-66-4
• 化学式: C₁₇H₁₆BN
• 分子量: 245.132
• InChiKey: MIGXRVJYMCLYPC-UHFFFAOYSA-N

物化性质

• 熔点：
  44-46 °C
• 沸点：
  349.4±42.0 °C(predicted)
• 密度：
  1.06±0.1 g/cm3(Temp: 20 °C; Press: 760 Torr)(predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  3.14
• 重原子数：
  19.0
• 可旋转键数：
  3.0
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.06
• 拓扑面积：
  3.24
• 氢给体数：
  0.0
• 氢受体数：
  1.0

反应信息

• 作为反应物：
  描述：

  1-allyl-2-phenyl-2,1-borazaronaphthalene 在 溴 作用下， 以 二氯甲烷 为溶剂， 以53%的产率得到1-allyl-3-bromo-2-phenyl-2,1-borazaronaphthalene
  参考文献：
  名称：

  Accessing Molecularly Complex Azaborines: Palladium-Catalyzed Suzuki–Miyaura Cross-Couplings of Brominated 2,1-Borazaronaphthalenes and Potassium Organotrifluoroborates

  摘要：

  Despite their potential applications in both medicinal chemistry and materials science, there have been limited reports on the functionalization of 2,1-borazaronaphthalenes since their discovery in 1959. To access new chemical space and build molecular complexity, the Suzuki-Miyaura cross-coupling of brominated 2,1-borazaronaphthalenes been investigated. The palladium-catalyzed cross-coupling proceeds with an array of potassium (hetero)aryltrifluoroborates in high yield with low catalyst loadings under mild reaction conditions. By the use of a high-yielding bromination of various 2,1-borazaronaphthalenes to generate electrophilic azaborine species, a library of 3-(hetero)aryl and 3,6-diaryl-2,1-borazaronaphthalenes has been synthesized.

  DOI：

  10.1021/jo5011894
• 作为产物：
  描述：

  2-溴苯乙烯 在 四氯化硅 、 2-(二叔丁基膦)联苯 、 sodium t-butanolate 作用下， 以 甲苯 为溶剂， 反应 42.0h， 生成 1-allyl-2-phenyl-2,1-borazaronaphthalene
  参考文献：
  名称：

  A Convergent, Modular Approach to Functionalized 2,1-Borazaronaphthalenes from 2-Aminostyrenes and Potassium Organotrifluoroborates

  摘要：

  Azaborines are an important class of compounds with applications in both medicinal chemistry and materials science. The first borazaronaphthalene, 2-chloro-2,1-borazaronaphthalene, was reported in 1959; however, access to more highly functionalized substructures has been limited because of the harsh reaction conditions required to displace the chloride on boron. A convergent approach has been developed to synthesize disubstituted 2,1-borazaronaphthalenes from N-substituted 2-aminostyrenes and potassium organotrifluoroborates, where the potassium organotrifluoroborate is converted to the active R-BX2 species (X = Cl or F) in situ by addition of a fluorophile. Starting from aryl-, heteroaryl-, alkynyl-, alkenyl-, and alkyltrifluoroborates, a library of highly functionalized 2,1-borazaronaphthalenes were synthesized in one step under mild, transition-metal-free conditions.

  DOI：

  10.1021/jo402616w

文献信息

• Photoredox Catalysis Enables Access to <i>N</i>-Functionalized 2,1-Borazaronaphthalenes
  作者：Xie Wang、Geraint H. M. Davies、Adriel Koschitzky、Steven R. Wisniewski、Christopher B. Kelly、Gary A. Molander

  DOI：10.1021/acs.orglett.9b00884

  日期：2019.4.19

  The synthesis and utilization of a class of 2,1-borazaronaphthyltrifluoroborate reagents that provide a general solution to the challenge of N-functionalization of the 2,1-borazaronaphthalene core is described. By adorning the nitrogen of this core with a trifluoroboratomethyl unit, a suite of odd-electron processes can be executed, installing motifs that would otherwise be inaccessible using a two-electron

  描述了一类2,1-硼硼烷基萘基三氟硼酸酯试剂的合成和利用，该试剂为应对2,1-硼硼烷基萘核的N-官能化提出了一般解决方案。通过用三氟硼氢化甲基单元修饰该核的氮，可以执行一套奇数电子过程，安装使用双电子方法无法获得的基序。另外，该方法使得能够快速成环，从而提供了迄今未知的多环BN物种。