Polylithiated tetraaminosilanes:: Synthesis and characterization of (Et2O•Li)4[Si(Nnaph)4] and X-ray structure of {THF•Li3[Si(N(i)Pr)3(NH(i)Pr)]}2

被引：21

作者：

Brask, JK ^{[1
]}

Chivers, T ^{[1
]}

Parvez, M ^{[1
]}

机构：

[1] Univ Calgary, Dept Chem, Calgary, AB T2N 1N4, Canada

来源：

INORGANIC CHEMISTRY | 2000年 / 39卷 / 12期

关键词：

D O I：

10.1021/ic991238v

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The treatment of SiCl4 with 4 equiv of Li-2(Nnaph) (naph = 1-naphthyl) in diethyl ether gives (Et2O . Li)(4)[Si(Nnaph)(4)] (4), which, upon reaction with excess (BuNH3Cl)-Bu-t or MeO3SCF3, generates Si[N(H)naph](4) (5) or Si[N(Me)naph](4) (6), respectively. The centrosymmetric dimer {THF . Li-3[Si((NPr)-Pr-i)(3)((NHPr)-Pr-i)]}(2) (7), formed via trilithiation of Si[N(H)Pr-i](4) with n-butyllithium, consists of a bis-THF-solvated Li-6(NiPT)(6) cyclic ladder bicapped by two Si-N(H)Pr-i units. Crystal data for 7: C32H74Li6N8O2Si2, monoclinic, P2(1)/n, a = 10.661(7) Angstrom, b = 16.964(5) Angstrom, c = 12.305(4) Angstrom, beta = 93.22(4)degrees, V = 2239.9(15) Angstrom(3), and Z = 2.

引用

页码：2505 / 2508

页数：4

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