三氟甲磺酸锌

三氟甲磺酸锌
IUPAC名
zinc trifluoromethanesulfonate
识别
CAS号 54010-75-2  ☒N
PubChem 104671
ChemSpider 94493
SMILES
 
  • [Zn+2].FC(F)(F)S([O-])(=O)=O.FC(F)(F)S([O-])(=O)=O
InChI
 
  • 1/2CHF3O3S.Zn/c2*2-1(3,4)8(5,6)7;/h2*(H,5,6,7);/q;;+2/p-2
InChIKey CITILBVTAYEWKR-NUQVWONBAZ
性质
化学式 C2F6O6S2Zn
摩尔质量 363.55 g·mol−1
外观 White powder
若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。

三氟甲磺酸锌是锌的三氟甲磺酸盐。它通常用作路易斯酸催化剂，例如用于硅烷化反应（英语：silylation）。[1]

三氟甲磺酸锌是白色粉末，尽管它存在市售品，但是一些科研人员会通过不同的方法制备它。[2][3]例如，它可以由三氟甲磺酸和金属锌在丙酮中反应得到，[4]或者在甲醇中和碳酸锌反应来制备：[5]

Zn + 2 HOTf → Zn(OTf)2 + H2↑
ZnCO3 + 2 HOTf → Zn(OTf)2 + H2O + CO2↑ (OTf = CF3SO2)

参考文献

  1. ^ H. Jiang & S. Zhu. Silylation of 1-alkynes with chlorosilanes promoted by Zn(OTf)2: an efficient way to the preparation of alkynylsilanes. Tetrahedron Letters. 2005, 46 (3): 517–519. doi:10.1016/j.tetlet.2004.10.175. 
  2. ^ R. J. Rahaim & J. T. Shaw. Zinc-Catalyzed Silylation of Terminal Alkynes. J. Org. Chem. 2008, 73 (7): 2912–2915. PMID 18331056. doi:10.1021/jo702557d. 
  3. ^ J. E. D. Kirkham, T. D. L. Courtney, V. Lee and J. E. Baldwin. Asymmetric synthesis of cytotoxic sponge metabolites R-strongylodiols A and B and an analogue. Tetrahedron. 2005, 61 (30): 7219–7232. doi:10.1016/j.tet.2005.05.034. 
  4. ^ J. Lombard, S. Romain, S. Dumas, J. Chauvin, M.-N. Collomb, D. Daveloose, A. Deronzier and J.-C. Leprêtre. Tetranuclear Polypyridyl Complexes of RuII and FeII: Synthesis, Electrochemical, Photophysical and Photochemical Behaviour. European Journal of Inorganic Chemistry. 2005, 2005 (16): 3320–3330. doi:10.1002/ejic.200500106. 
  5. ^ E. J. Corey & K. Shimoji. Magnesium and zinc-catalyzed thioketalization. Tetrahedron Letters. 1983, 24 (2): 169–172. doi:10.1016/S0040-4039(00)81357-X.