Dynamic stereochemistry of alkyltris(9-triptycyl)stannanes

被引:11
|
作者
Yamamoto, G [1 ]
Kaneko, M [1 ]
Ohkuma, M [1 ]
Minoura, M [1 ]
机构
[1] Kitasato Univ, Sch Sci, Dept Chem, Kanagawa 2288555, Japan
关键词
D O I
10.1246/cl.2003.964
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
H-1 dynamic NMR study of benzyltris(9-triptycyl)stannane (4) using two probes, the benzylic methylene and the aromatic peri-proton signals, revealed that the enantiomerization of the chiral conformers took place with DeltaG(double dagger) of 64.2 kJ mol(-1) at 300 K.
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页码:964 / 965
页数:2
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