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DIRECT SYNTHESIS OF ORGANOMETALLICS .2. SELECTIVE ACTIVATION OF AROMATIC C-H BONDS WITH LITHIUM ATOMS AT 77-K
被引：11
|作者：
TACKE, M
机构：
[1] Institut für Anorganische Chemie, Universität, Karlsruhe, D-76128
关键词：
C-H BOND ACTIVATION;
LITHIUM ATOMS;
COCONDENSATION;
ARYLLITHIUM;
D O I：
10.1002/cber.19951280114
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In the presence of donor bases like THF lithium atoms are able to activate benzene derivatives under cryogenic reaction conditions. Only ring-metalated products and solid lithium hydride are formed selectively. The thermodynamically favored product benzyllithium or biphenyl generated by dimerization of free phenyl radicals are not found. This is one of the very few examples of metal atoms undergoing a C-H activation without further photoexcitation.
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页码：91 / 92
页数：2
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