Darstellung der Halogennitrilium-Salze XCNH+MF6− (X = Cl,Br, I; M = As,Sb) und der Trifluoracetonitrilium-Salze CF3CNH+MF6− |
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Authors: | R. Minkwitz W. Meckstroth |
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Abstract: | Preparation of the Halogenonitrilium Salts XCNH+MF6− (X = CI, Br, I; M = As, Sb) and the Trifluoroacetonitrilium Salts CF3CNH+MF6− The halogenonitrilium salts XCNH+MF6− (X = CI, Br, I; M = As, Sb) are synthesized by protonation of cyanogen halides in the superacide system HF/MF5 at low temperature. The synthesis of trifluoroacetonitrilium salts CF3CNH+MF6− (M = As, Sb) is proceeded analogous with trifluoroacetonitrile. All salts are characterized by vibrational and NMR spectroscopy. |
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Keywords: | Nitrilium salts preparation vibrational spectra NMR spectra |
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