Cyanidosilicates-Synthesis and Structure

被引：9
作者：
Harloff, Joerg [1 ]
Michalik, Dirk [1 ,2 ]
Nier, Simon [1 ]
Schulz, Axel [1 ,2 ]
Stoer, Philip [1 ]
Villinger, Alexander [1 ]
机构：
[1] Univ Rostock, Inst Chem, Albert Einstein Str 3a, D-18059 Rostock, Germany
[2] Univ Rostock, Abt Mat Design, Leibniz Inst Katalyse eV, Albert Einstein Str 29a, D-18059 Rostock, Germany
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2019年 / 58卷 / 16期
关键词：
cyanides; ionic liquids; silicates; structure elucidation; synthetic methods; ACID CATALYZED SYNTHESIS; IONIC LIQUIDS; TRIMETHYLSILYL CYANIDE; HYDROGEN-CYANIDE; CYANOSILYLATION; SILICON; COMPLEXES; MECHANISM; ALDEHYDES; CHLORIDE;
D O I：
10.1002/anie.201901173
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Starting from fluoridosilicate precursors in neat cyanotrimethylsilane, Me3Si-CN, a series of different ammonium salts [R3NMe](+)(R = Et, Pr-n, Bu-n) with the novel [SiF(CN)(5)](2-) and [Si(CN)(6)](2-) dianions was synthesized in facile, temperature controlled F-/CN- exchange reactions. Utilizing decomposable, non-innocent cations, such as R3NH](+), it was possible to generate metal salts of the type M-2[Si(CN)(6)] (M+= Li+,K+) via neutralization reactions with the corresponding metal hydroxides The ionic liquid [BMIm](2)[Si(CN)6] (m.p. = 72 degrees C, BMIm =1-butyl-3-methyli-midazoliunz) was obtained by a salt metathesis reaction. All the synthesized salts could be isolated in good yields and were fully characterized.
引用
收藏
页码：5452 / 5456
页数：5
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