Synthesis of Tetranuclear Palladium(II) Complexes and Their Catalytic Activity for Cross-Coupling Reactions

被引：7

作者：

Puls, Florian ^{[1
]}

Richter, Nils ^{[1
]}

Kataeva, Olga ^{[2
]}

Knoelker, Hans-Joachim ^{[1
]}

机构：

[1] Tech Univ Dresden, Dept Chem, Bergstr 66, D-01069 Dresden, Germany

[2] Kazan Fed Univ, AM Butlerov Chem Inst, Kremlevskaya Str 18, Kazan 420008, Russia

来源：

CHEMISTRY-A EUROPEAN JOURNAL | 2017年 / 23卷 / 69期

关键词：

catalysis; Mizoroki-Heck coupling; Suzuki-Miyaura coupling; palladacycles; X-ray diffraction; SUZUKI-MIYAURA; HECK REACTION; C-C; CARBAZOLE ALKALOIDS; ORGANIC-SYNTHESIS; ORTHO-PALLADATION; IMINE CATALYSTS; ARYL CHLORIDES; PYRAN RING; PALLADACYCLES;

D O I：

10.1002/chem.201703926

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We have developed a short and simple synthesis of tetranuclear palladium(II) complexes that have been structurally confirmed by X-ray analysis. These complexes were formed in about 30% overall yield by spontaneous metalation of dimethylaminoarene derivatives and exhibit a high stability. We have studied the utility of the tetranuclear palladium(II) complexes as precatalysts for Mizoroki-Heck and Suzuki-Miyaura cross-coupling reactions. Our novel complexes show excellent catalytic activities with high turnover numbers (TON) and high turnover frequencies (TOF) (e.g., for the Suzuki-Miyaura reaction: TON up to 538000 and TOF up to 23400h(-1) at room temperature).

引用

页码：17576 / 17583

页数：8

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