Tris(triorganosilyl)methyl derivatives of potassium and lithium bearing dimethylamino or methoxy substituents at silicon. Crystal structures of KC(SiMe3)2(SiMe2NMe2), KC(SiMe2NMe2)3 and [LiC(SiMe3)(SiMe2OMe)2]2
作者:Salih S. Al-Juaid、Colin Eaborn、Salima El-Hamruni、Adam Farook、Peter B. Hitchcock、Martijn Hopman、J. David Smith、William Clegg、Keith Izod、Paul O’Shaughnessy
DOI:10.1039/a904043i
日期:——
The compounds HC(SiMe3)(SiMe2X)2, X = NMe2 or OMe, have been synthesized in several steps from the phenyl derivative HC(SiMe3)(SiMe2Ph)2 and metallated to give organometallic compounds of the type MC(SiMe3)(SiMe2X)2, M = K or Li. The structures of the compounds KC(SiMe3)2(SiMe2NMe2) and KC(SiMe2NMe2)3 consist of infinite chains in which cations are co-ordinated to both nitrogen and carbon centres,
化合物HC(SiMe 3)(SiMe 2 X)2,X = NMe 2或OMe,是由苯基衍生物HC(SiMe 3)(SiMe 2 Ph)2分几步合成的,金属化后可得到类型MC(SiMe 3)(SiMe 2 X)2,M = K或Li。化合物KC(SiMe 3)2(SiMe 2 NMe 2)和KC(SiMe 2 NMe 2)3的结构由无限条链组成,其中阳离子与氮和碳中心均配位,而锂化合物[LiC(SiMe 3)(SiMe 2 OMe)2 ] 2在二聚体笼状分子的晶格中结晶。讨论了系列MC(SiMe 3)n(SiMe 2 X)3- n的结构趋势,n = 0–3,M = K或Li,X = NMe 2或OMe。