(3-dithiophen-2-ylboranyl-1,1,6,6-tetramethyl-4-thiophen-2-yl-2-trimethylsilylsilolo[2,3-b]silol-5-yl)-trimethylsilane | 212255-53-3

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 杂芳族化合物
• 英文名称: (3-dithiophen-2-ylboranyl-1,1,6,6-tetramethyl-4-thiophen-2-yl-2-trimethylsilylsilolo[2,3-b]silol-5-yl)-trimethylsilane
• CAS: 212255-53-3
• 化学式: C₂₈H₃₉BS₃Si₄
• 分子量: 594.969
• InChiKey: DIUMXCSNTVTNTN-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  8.42
• 重原子数：
  36
• 可旋转键数：
  6
• 环数：
  5.0
• sp3杂化的碳原子比例：
  0.36
• 拓扑面积：
  84.7
• 氢给体数：
  0
• 氢受体数：
  3

反应信息

• 作为产物：
  描述：

  tris(2-thienyl)borane 、 bis(trimethylsilylethynyl-dimethylsilyl)ethyne 以 甲苯 为溶剂， 生成 、 (3-dithiophen-2-ylboranyl-1,1,6,6-tetramethyl-4-thiophen-2-yl-2-trimethylsilylsilolo[2,3-b]silol-5-yl)-trimethylsilane
  参考文献：
  名称：

  1,6-Dihydro-1,6-disilapentalene derivatives by 1,1-organoboration of triynes

  摘要：

  The triynes (RC)-C-1=C-SiMe2-C=C-SiMe2-C=CR1 [R-1 = H (3), SiMe3 (4) SnMe3 (5)] were prepared, and their reactivity towards triorganoboranes R3B 6 [R = Et (a), CH2Ph (b), Ph (c), 2-thienyl (d)] was studied. In the case of 3, decomposition was observed whereas the reaction of 4 and 5 with 6 affords the 1,6-dihydro-1,6-disilapentalene derivatives 7a-d (from 4) and 9a, c (from 5) in almost quantitative yield. This is the result of stereo- and regioselective intermolecular 1,1-organoboration in the first step of the reaction, followed by two consecutive intramolecular 1,1-vinyloborations. The products were characterised by their H-1-,B- 11-, C-13-, Si-29- and Sn-119-NMR data. (C) 1998 Elsevier Science S.A. All rights reserved.

  DOI：

  10.1016/s0022-328x(98)00529-4