Different fluoride anion sources and (trifluoromethyl)trimethylsilane:: molecular structure of tris(dimethylamino)sulfonium bis(trifluoromethyl)trimethylsiliconate, the first isolated pentacoordinate silicon species with five Si-C bonds

被引:63
作者
Kolomeitsev, A
Bissky, G
Lork, E
Movchun, V
Rusanov, E
Kirsch, P
Röschenthaler, GV
机构
[1] Natl Acad Sci Ukraine, Inst Organ Chem, UA-253660 Kiev 94, Ukraine
[2] Univ Bremen, Inst Anorgan & Phys Chem, D-28334 Bremen, Germany
[3] MERCK KGAA, Liquid Crystals Div, D-64293 Darmstadt, Germany
关键词
D O I
10.1039/a901953g
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
(Trifluoromethyl)trimethylsilane, CF3SiMe3 reacts with [(Me2N)(3)S](+)[Me3SiF2](-), Q(+)F(-) and Q(+)[HF2](-)(Q(+) = Me4N+, [(Me2N)(3)C](+), [(Me2N)(4)P](+)) at -70 to 50 degrees C to afford the first hypervalent silicon species, [(CF3)(2)SiMe3](-) with five Si-C bonds (stable in monoglyme up to -10 degrees C) as the main reactive species whose molecular structure was determined by X-ray crystallography.
引用
收藏
页码:1017 / 1018
页数:2
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