Tetramethylammonium trifluoromethyltellurate(0), [NMe4]TeCF3, synthesis, characterisation and properties
作者： Wieland Tyrra , Nataliya V. Kirij , Dieter Naumann , Yurii L. Yagupolskii
DOI: 10.1016/J.JFLUCHEM.2004.04.012
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摘要: Abstract [NMe 4 ]TeCF 3 is obtained in 60% yield from Me SiCF , elemental tellurium and ]F glyme as a pale yellow solid decomposing at 185 °C. Cation exchange with [PNP]Br ([PNP] = bis(triphenylphosphoranylidene)ammonium) [(dibenzo-18-crown-6)K]Br occurs spontaneously. These low co-ordinating cations increase significantly the nucleophilicity of anion.
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