三(三甲硅烷基)硅烷

• 产品号: B22457
• CAS号: 1873-77-4
• 分子式: C9H28Si4
• 分子量: 248.66062
• 纯 度: 97%

产品别名

• 标题: Tris(trimethylsilyl)silane
• IUPAC标准名: 1,1,1,3,3,3-hexamethyl-2-(trimethylsilyl)trisilane
• IUPAC传统名: 1,1,1,3,3,3-hexamethyl-2-(trimethylsilyl)trisilane
• 别名: TTMSS

产品登记号

• 默克索引号: 149757
• MDL号: MFCD00077893
• Beilstein号: 1923953
• EC号: 000-000-0
• CAS号: 1873-77-4

产品性质

• 纯度: 97%
• 沸点: 82-84°C/12mm
• 密度: 0.806
• 闪点: 55°C(131°F)
• 折射率: 1.4900
• GHS危险声明: H226-H315-H319-H335
• 欧盟危险性物质标志: 刺激性(Irritant) (Xi)
• GHS警示性声明: P210-P241-P303+P361+P353-P305+P351+P338-P405-P501A
• 危险公开号: 10-36/37/38
• 安全公开号: 26-37-60
• 保存注意事项: Light Sensitive
• TSCA收录: 否
• 联合国危险货物等级: 3
• 联合国危险货物编号: UN1993
• 联合国危险货物包装类别(PG): II

参考文献

• Alkyl and cycloalkyl acid chlorides undergo hydrodechlorocarbonylation to hydrocarbons in high yield: Tetrahedron Lett., 33, 1787 (1992).
• Superior to TBTH for the radical mediated cyclization of bromo lactones, avoiding the need for very high dilutions: Heterocycles, 37, 289 (1994).
• For a brief survey of uses of this reagent in Organic synthesis, see: Synlett, 1972 (2007).
• For a review of organosilanes as radical-based reducing agents in synthesis, see: Acc. Chem. Res., 25, 188 (1992). See also Appendix 4.
• Radical-based reducing agent, e.g. for hydrodehalogenation reactions of halides to the corresponding hydrocarbons: J. Org. Chem., 56, 678 (1991); cf TBTH (Tri-n-butyltin hydride, A13298). Reversal of the stereoselectivity observed in the TBTH reduction of gem-dichlorides has been reported: J. Am. Chem. Soc., 116, 10781 (1994).
• In the presence of a free-radical initiator, ring closure reactions of bromides containing a suitably-positioned double bond can be effected: Tetrahedron Lett., 38, 8165 (1997); 39, 7267 (1998). In the presence of CO, 1,5-dienes undergo tandem silylcarbonylation and cyclization to give cyclopentanone derivatives: J. Organomet. Chem., 548, 105 (1997).
• Effects the hydrosilylation of alkenes and alkynes in high yield: J. Org. Chem., 57, 3994 (1992); this reaction forms the basis of a (Z) - (E) olefin interconversion via addition-elimination of the tris(TMS)silane radical: J. Org. Chem., 60, 3826 (1995).