A Gold Catalyst for Carbene‐Transfer Reactions from Ethyl Diazoacetate

A Gold Catalyst for Carbene‐Transfer Reactions from Ethyl Diazoacetate

Approaching El Dorado: A gold catalyst has been discovered that transfers a carbene unit from ethyl diazoacetate to aromatic substrates (see scheme) as well as olefins, amines, and alcohols. The insertion of carbene units into the CH bonds of the aromatic ring of benzene, toluene, and styrene is a...

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Veröffentlicht in:Angewandte Chemie International Edition 2005-08, Vol.44 (33), p.5284-5288
Hauptverfasser: Fructos, Manuel R., Belderrain, Tomás R., de Frémont, Pierre, Scott, Natalie M., Nolan, Steven P., Díaz‐Requejo, M. Mar, Pérez, Pedro J.
Format: Artikel
Sprache:eng
Schlagworte:
carbenes
CH activation
diazo compounds
gold
homogeneous catalysis
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Beschreibung
Zusammenfassung:Approaching El Dorado: A gold catalyst has been discovered that transfers a carbene unit from ethyl diazoacetate to aromatic substrates (see scheme) as well as olefins, amines, and alcohols. The insertion of carbene units into the CH bonds of the aromatic ring of benzene, toluene, and styrene is a novel reaction. R=H, CH3, CHCH2; IPr=1,3‐bis(diisopropylphenyl)imidazol‐2‐ylidene.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200501056