Partial and Complete Replacement of the Phenyl Group(s) of 1,1,3,3-Tetraphenyl-2,2,4,4-tetrakis(trimethylsilyl)cyclotetrasilane by Chlorine Atom(s)

被引：1
|
作者：
Ishida, Shintaro [1 ]
Ishii, Yosuke [2 ]
Fukasawa, Tetsuya [2 ]
Kyushin, Soichiro [2 ]
机构：
[1] Tohoku Univ, Grad Sch Sci, Dept Chem, Aoba Ku, Sendai 9808578, Japan
[2] Gunma Univ, Grad Sch Sci & Technol, Div Mol Sci, Kiryu, Gunma 3768515, Japan
来源：
CHEMISTRY-A EUROPEAN JOURNAL | 2023年 / 29卷 / 70期
基金：
日本学术振兴会;
关键词：
chlorodephenylation; cyclotetrasilane; trifluoromethanesulfonic acid; CLUSTER COMPOUNDS; SILICON; DERIVATIVES; CAGE;
D O I：
10.1002/chem.202302479
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The four phenyl groups of 1,1,3,3-tetraphenyl-2,2,4,4-tetrakis(trimethylsilyl)cyclotetrasilane were partially replaced by chlorine atom(s) by successive treatment with trifluoromethanesulfonic acid and lithium chloride. The replacement of all phenyl groups was carried out with hydrogen chloride in the presence of aluminum chloride. The structural features of the resulting mono-, di-, and tetrachlorocyclotetrasilanes were compared by X-ray crystallography. The four phenyl groups of 2 were partially replaced by chlorine atom(s) by successive treatment with trifluoromethanesulfonic acid (TfOH) and lithium chloride, whereas replacement of all phenyl groups was carried out with hydrogen chloride in the presence of aluminum chloride.image
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页数：7
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