Synthesis of an [(NHC)2Pd(SiMe3)2] Complex and Catalytic cis-Bis(silyl)ations of Alkynes with Unactivated Disilanes

被引:69
作者
Ansell, Melvyn B. [1 ]
Roberts, Debbie E. [1 ]
Cloke, F. Geoffrey N. [1 ]
Navarro, Oscar [1 ]
Spencer, John [1 ]
机构
[1] Univ Sussex, Dept Chem, Brighton BN1 9QJ, E Sussex, England
基金
英国工程与自然科学研究理事会;
关键词
alkynes; N-heterocyclic carbene; palladium; silicon; synthetic methods; HETEROCYCLIC CARBENE LIGANDS; BIS-SILYLATION; SILICON-SILICON; SI-SI; OXIDATIVE ADDITION; SUZUKI-MIYAURA; SIGMA-BONDS; PALLADIUM; ACTIVATION; NHC;
D O I
10.1002/anie.201501764
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The novel complex cis-[(ITMe)(2)Pd(SiMe3)(2) (ITMe=1,3,4,5-tetramethylimidazol-2-ylidene) has been synthesized by mild oxidative cleavage of Me3SiSiMe3 using [(ITMe)(2)Pd-0]. The use of this complex as precatalyst for the cis-bis(silyl)ation of alkynes using unactivated disilanes is reported.
引用
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页码:5577 / 5582
页数:6
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