The tridurylsilylium and tridurylstannylium cations: Free and not so free

被引:34
作者
Lambert, JB [1 ]
Lin, LJ [1 ]
机构
[1] Northwestern Univ, Dept Chem, Evanston, IL 60208 USA
关键词
D O I
10.1021/jo010772t
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Allyltridurylsilane has been prepared and converted to the tridurylsilylium cation by treatment with electrophiles. Allyltridurylstannane has been prepared and converted to the tridurylstannylium cation under similar conditions. The Si-29 chemical shift of the silylium cation indicates that it is free and tricoordinate, whereas the Sn-119 chemical shift of the stannylium cation indicates that it maintains loose fourth coordination with the solvent or the anion.
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页码:8537 / 8539
页数:3
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