三氟化硼乙醚

• 产品号: A15275
• CAS号: 109-63-7
• 分子式: C4H10BF3O
• 分子量: 141.9278096
• 纯 度: 98+%

产品别名

• 标题: Boron trifluoride diethyl etherate
• IUPAC标准名: ethoxyethane; trifluoroborane
• IUPAC传统名: boron trifluoride; diethyl ether
• 别名: Boron trifluoride etherate; Boron fluoride-ether

产品登记号

• EC号: 203-689-8
• MDL号: MFCD00013194
• Beilstein号: 3909607
• CAS号: 109-63-7
• 默克索引号: 141350

产品性质

• 纯度: 98+%
• 沸点: 125-126°C
• 密度: 1.130
• 闪点: 47°C(116°F)
• 熔点: -60°C
• 折射率: 1.3440
• GHS危险声明: H331-H302-H372-H314-H318-H226
• 欧盟危险性物质标志: 有毒(Toxic) (T)
• GHS警示性声明: P260-P280-P303+P361+P353-P305+P351+P338-P310
• 危险公开号: 10-22-23-35-48/23
• 安全公开号: 23-26-36/37/39-45
• 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: UN2604
• 联合国危险货物包装类别(PG): I

参考文献

• Lewis acid catalyst in a wide variety of applications, for example:
• Has also been used in conjunction with BMS in the reduction of amides: J. Org. Chem., 47, 3153 (1982).
• For use in the cleavage of ethers, see Tetra-n-butylammonium iodide, A15484.
• For analogous 1,4-addition to p-benzoquinones, see 2,3-Dimethoxy-5-methyl-1,4-benzoquinone, B24777.
• Mild dehydration of tertiary alcohols to alkenes: Tetrahedron Lett., 32, 6489 (1991). In the Diels-Alder reaction: J. Am. Chem. Soc., 99, 8116 (1977). In THP protection of alcohols: Synthesis, 81, (1972).
• Reaction with Sodium borohydride, 35788, can be used for the in situ generation of diborane. For use in the hydroboration of ɑ-pinene, see: Org. Synth. Coll., 6, 943 (1988).
• Catalyst for rearrangement of epoxides to carbonyl compounds, e.g. stilbene oxide to diphenylacetaldehyde and ring-contraction of isophorone oxide: Org. Synth. Coll., 4, 375 and 957 (1963), respectively.
• Reaction with ortho esters gives high yields of crystalline dialkoxycarbenium salts, useful as powerful and selective alkylating agents, (compare Triethyloxonium tetrafluoroborate, A14420 and Trimethyloxonium tetrafluoroborate, A15175): Synth. Commun., 19, 2307 (1989).
• Catalyst for the reaction of allyltin reagents with aldehydes and ketones. Addition to the carbonyl group proceeds with allylic rearrangement: Chem. Lett., 919, 977 (1979); Acc. Chem. Res., 20, 243 (1987):