7Li solid-state NMR spectroscopic study of aryllithium complexes:: effects of aggregation and solvation

被引：0
|
作者：
Boman, A [1 ]
Johnels, D [1 ]
机构：
[1] Umea Univ, Dept Chem, SE-90187 Umea, Sweden
来源：
MAGNETIC RESONANCE IN CHEMISTRY | 2000年 / 38卷 / 10期
关键词：
NMR; solid-state NMR; Li-7; quadrupolar coupling constant; phenyllithium; aryllithium; aggregation state;
D O I：
10.1002/1097-458X(200010)38:10<853::AID-MRC747>3.0.CO;2-X
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Seventeen aryllithium complexes were studied by Li-7 solid-state NMR spectroscopy. The solid structures of most of the complexes studied are known from x-ray crystallography and include differently substituted aryllithium complexes in addition to some phenyllithium complexes. It is shown that the quadrupolar coupling constant, chi, is very sensitive to changes in aggregation and solvation. From the magnitude of chi, it is often possible to deduce the aggregation state and also obtain information about the solvation regarding the number and type of donor atoms coordinating the lithium cation. Copyright (C) 2000 John Wiley & Sons, Ltd.
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收藏
页码：853 / 860
页数：8
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