Cobalt-Catalyzed Sulfonate/Copper Exchange for the Preparation of Highly Functionalized Electron-Deficient Aryl Copper Reagents

Organocopper reagents from phenols: A new cobalt‐catalyzed aryl sulfonate/copper exchange reaction allows the synthesis of highly functionalized aryl copper reagents from sulfonates bearing electron‐deficient substituents under mild conditions (25–45 °C, 1–6 h; see example). Sensitive functional gro...

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Veröffentlicht in:	Angewandte Chemie (International ed.) 2010-03, Vol.49 (10), p.1874-1877
Hauptverfasser:	Rohbogner, Christoph J, Diène, Coura R, Korn, Tobias J, Knochel, Paul
Format:	Artikel
Sprache:	eng
Schlagworte:	aryl sulfonates Catalysis cobalt Cobalt - chemistry Copper - chemistry cuprates Electrons exchange reaction Molecular Structure Organometallic Compounds - chemistry organometallic reagents Sulfonic Acids - chemistry
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Beschreibung
Zusammenfassung:	Organocopper reagents from phenols: A new cobalt‐catalyzed aryl sulfonate/copper exchange reaction allows the synthesis of highly functionalized aryl copper reagents from sulfonates bearing electron‐deficient substituents under mild conditions (25–45 °C, 1–6 h; see example). Sensitive functional groups, such as aldehydes, esters, and nitriles, are well‐tolerated.
ISSN:	1433-7851 1521-3773
DOI:	10.1002/anie.200905379