Pd-Catalyzed Cyanation of (Hetero)Aryl Halides by Using Biphosphine Ligands

被引:23
|
作者
Zhang, Shaoke [1 ]
Neumann, Helfried [1 ]
Beller, Matthias [1 ]
机构
[1] Univ Rostock, Leibniz Inst Katalyse eV, Albert Einstein Str 29 A, D-18059 Rostock, Germany
关键词
aryl halides; biphosphines; cyanation; palladium; synthetic methods; OLEFIN METATHESIS CATALYSTS; SECONDARY PHOSPHINE OXIDES; H BOND ACTIVATION; ARYL CHLORIDES; CONVENIENT PROCEDURE; EFFICIENT CATALYSTS; PHASE AMMOXIDATION; ARYLBORONIC ACIDS; PINCER COMPLEXES; CROSS-COUPLINGS;
D O I
10.1002/chem.201704178
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Tetraadamantylbiphosphine (TABP; L1), which showed superior activity in the palladium-catalyzed cyanation of 4-chloroanisole compared to standard phosphines, was synthesized as a new ligand. The generality of the new catalytic system was shown by the cyanation reaction of approximately 30(hetero)aryl halides including hindered, electron-rich, and electron-poor aryl chlorides. These reactions constitute the first examples of using bi-phosphine ligands in Pd-catalyzed coupling reactions.
引用
收藏
页码:67 / 70
页数:4
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