Chemistry–A European Journal

Negishi Cross??Coupling Reactions Catalyzed by an Aminophosphine??Based Nickel System: A Reliable and General Applicable Reaction Protocol for the High?? …

R Gerber, CM Frech

文献索引：Gerber, Roman; Frech, Christian M. Chemistry - A European Journal, 2011 , vol. 17, # 42 p. 11893 - 11904

被引用次数: 22

摘要

Abstract Treatment of NMP solutions of NiCl 2 with 1, 1′, 1′′-(phosphanetriyl) tripiperidine (≈ 2.05 equiv), dissolved in THF, in air at 25 C forms a highly active catalytic system for the cross-coupling of a large variety of electronically activated, non-activated, deactivated, and ortho-substituted, heterocyclic, and functionalized aryl bromides and aryl chlorides with diarylzinc reagents. Very high levels of conversion and yields were ...

~87%

20469-65-2

1-溴-3,5-二甲氧基苯

~96%

~94%

~81%

~92%

~73%

~76%

~93%

~92%

~95%

~73%

~96%

~93%

~95%

~82%

~89%

~96%

~79%

~84%

~74%

~96%

~94%

~89%

~69%

~94%

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