三氟甲磺酸锌
三氟甲磺酸锌 | |
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IUPAC名 zinc trifluoromethanesulfonate | |
识别 | |
CAS号 | 54010-75-2 |
PubChem | 104671 |
ChemSpider | 94493 |
SMILES |
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InChI |
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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。[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
- ^ 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.
- ^ 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.
- ^ 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.
- ^ 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.
- ^ 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.