Air‐Stable {(C<sub>5</sub>H<sub>5</sub>)Co} Catalysts for [2+2+2] Cycloadditions

Geny, Anaïs; Agenet, Nicolas; Iannazzo, Laura; Malacrìa, Max; Aubert, Corinne; Gandon, Vincent

doi:10.1002/anie.200806001

Public

Air‐Stable {(C5H5)Co} Catalysts for [2+2+2] Cycloadditions

Published in Angewandte Chemie International Edition • Jan 28, 2009

Authors:

Anaïs Geny

Nicolas Agenet

Laura Iannazzo

Abstract

Cobalt cyclopentadienyl complexes incorporating a fumarate and a CO ligand (see picture) efficiently catalyze inter- and intramolecular [2+2+2] cycloadditions of alkynes, nitriles, and/or alkenes to give benzenes, pyridines, or 1,3-cyclohexadienes. Unlike catalysts such as [CpCo(CO)(2)] or [CpCo(C(2...

Subject

Cobalt

Catalysis

Cyclopentadienyl complex

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