四氟硼酸卓鎓

• 产品号: A14045
• CAS号: 27081-10-3
• 分子式: C7H7BF4
• 分子量: 177.9350928
• 纯 度: 97%

产品别名

• 标题: Tropylium tetrafluoroborate
• IUPAC标准名: cyclohepta-2,4,6-trien-1-ylium; tetrafluoroboranuide
• IUPAC传统名: tropylium tetrafluoroborate

产品登记号

• CAS号: 27081-10-3
• EC号: 248-214-5
• MDL号: MFCD00013402
• Beilstein号: 3574512

产品性质

• 纯度: 97%
• 熔点: ca 240°C dec.
• GHS危险声明: H314-H318
• 欧盟危险性物质标志: 腐蚀性(Corrosive) (C)
• GHS警示性声明: P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501A
• 危险公开号: 34
• 安全公开号: 20-26-36/37/39-45-60
• 保存注意事项: Moisture Sensitive
• TSCA收录: 是
• 联合国危险货物等级: 8
• 联合国危险货物编号: UN1759
• 联合国危险货物包装类别(PG): III

参考文献

• Reaction with a variety of nucleophiles leads to 7-substituted heptatrienes, e.g. active methylene compounds: Bull. Chem. Soc. Jpn., 50, 3425 (1977); J. Org. Chem., 42, 401 (1977), and organometallic reagents: Bull. Soc. Chim. Fr.2, 127, 245 (1990).
• Undergoes [3+2]-cycloaddition with allenylsilanes, in the presence of a non-nucleophilic acid scavenger, in a general route to azulenes: J. Am. Chem. Soc., 111, 389 (1989):
  
• Interesting non-benzenoid aromatic system. For a review of 7-membered conjugated cyclic systems, see: Chem. Rev., 73, 293 (1973).
• Propargylsilanes react similarly: J. Org. Chem., 57, 6094 (1992).
• For reduction to bitropyl (7,7'-bi-cycloheptatrienyl) by one-electron donating reagents such as low-valent Ti or V, see: Synthesis, 798 (1976).