OCTAKIS(1,1,2-TRIMETHYLPROPYL)OCTASILACUBANE - SYNTHESIS, MOLECULAR-STRUCTURE, AND UNUSUAL PROPERTIES

被引:97
作者
MATSUMOTO, H [1 ]
HIGUCHI, K [1 ]
KYUSHIN, S [1 ]
GOTO, M [1 ]
机构
[1] NATL CHEM LAB IND,TSUKUBA,IBARAKI 305,JAPAN
来源
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH | 1992年 / 31卷 / 10期
关键词
D O I
10.1002/anie.199213541
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The thermodynamically and kinetically stable peralkyloctasilacubane 1 is formed in the reaction of RSiCl3 (R = CMe2CHMe2) with Na. The orange-red compound is soluble in hydrocarbons and was characterized by spectroscopy and X-ray crystallography. Both its long-wavelength electronic transition in the UV/VIS spectrum at lambda almost-equal-to 500 nm and its low oxidation potential found by cyclic voltammetry at 0.43 V-unusual values for cyclopolysilanes-are traced back to the highly strained Si8 framework.
引用
收藏
页码:1354 / 1356
页数:3
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