Synthesis of Phosphine-Functionalized Silicon Cubane and Its Oxidative Addition, Giving a Bis(silyl)copper Complex

被引：2
|
作者：
Li, Yang [1 ,2 ]
Cui, Chunming [1 ,2 ]
机构：
[1] Nankai Univ, State Key Lab Elemento Organ Chem, Tianjin 300071, Peoples R China
[2] Nankai Univ, Coll Chem, Tianjin 300071, Peoples R China
来源：
INORGANIC CHEMISTRY | 2023年 / 62卷 / 06期
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
COPPER; BOND; OCTAKIS(1,1,2-TRIMETHYLPROPYL)OCTASILACUBANE; OCTASILACUBANE; PALLADIUM; SODIUM;
D O I：
10.1021/acs.inorgchem.2c03937
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A new strategy for the introduction of a second type of Si atom to silicon cubanes has been developed starting from the tricyclic hexasilane dianion [Ar6Si6]2- (Ar = 2,4,6-Me3C6H2). Treatment of the dianion with Ar ' SiCl3, followed by KC8, gave new types of octasilacubanes Ar6Ar ' 2Si8 [Ar ' = 2,4,6-iPr2C6H2 (3a), 2-Ph2PC6H4 (3b)] in high yields. Remarkably, treatment of cubane 3b bearing with two phosphine groups with 2 equiv of CuCl in CH2Cl2 yielded the bis(silyl)copper complex via the selective oxidative addition of the newly formed Si-Si bond to Cu ion. Single-crystal X-ray analysis indicated the unique square-planar, four coordinate Cu cation paired with the [CuCl2]- counteranion.
引用
收藏
页码：2503 / 2507
页数：5
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