双(三正丁基锡)氧化物

• 产品号: A13242
• CAS号: 56-35-9
• 分子式: C24H54OSn2
• 分子量: 596.08696
• 纯 度: 97%

产品别名

• 标题: Bis(tri-n-butyltin) oxide
• IUPAC标准名: bis(tributylstannylium) oxidandiide
• IUPAC传统名: bis(tributylstannylium) oxidandiide
• 别名: Tri-n-butyltin oxide; Hexabutyl distannoxane

产品登记号

• CAS号: 56-35-9
• Beilstein号: 745057
• EC号: 200-268-0
• MDL号: MFCD00009418

产品性质

• 纯度: 97%
• 沸点: 179-180°C/2mm
• 密度: 1.172
• 闪点: 168°C(334°F)
• 熔点: -45°C
• 折射率: 1.4865
• GHS危险声明: H301-H311-H315-H319-H360-H372-H400-H410
• 欧盟危险性物质标志: 有毒(Toxic) (T)
• 欧盟危险性物质标志: 环境危害性(Nature polluting) (N)
• GHS警示性声明: P280-P273-P309-P310-P501A
• 危险公开号: 60-21-25-36/38-48/23/25-50/53-63
• RTECS编号: JN8750000
• 安全公开号: 36/37/39-45-60-61
• TSCA收录: 是
• 联合国危险货物等级: 6.1
• 联合国危险货物编号: UN2788
• 联合国危险货物包装类别(PG): III

参考文献

• Reacts with alcohols to give tri-n-butylstannyl ethers which, for simple alcohols, are very susceptible to hydrolysis: Synthesis, 56 (1969); J. Organomet. Chem., 110, C57 (1976). In combination with bromine or NBS, allylic, benzylic and secondary alcohols are oxidized to carbonyl compounds, enabling the selective oxidation of secondary, in the presence of primary, alcohols: Bull. Chem. Soc. Jpn., 49, 1656 (1976); Tetrahedron Lett., 4597 (1976); J. Am. Chem. Soc., 98, 1629 (1976). Similarly, sulfides give sulfoxides with no over-oxidation to sulfones: Tetrahedron Lett., 2413 (1977).
• Reacts with terminal alkynes to give alkynyl tin reagents. Where these reagents have electron-withdrawing substituents, they undergo regioselective cycloaddition with 1,3-dienes: Tetrahedron, 45, 1145 (1989):
  
• Converts thioamides to nitriles, as does Di-n-butyltin oxide, L14491: J .Org. Chem., 47, 4594 (1982).
• Reagent for mild, selective non-hydrolytic deprotection of esters: Tetrahedron Lett., 32, 4239 (1991); J. Org. Chem., 59, 7259 (1994); Tetrahedron Lett., 36, 3311 (1995).