Cobalt Complexes Supported by Phosphinoquinoline Ligands for the Catalyzed Hydrosilylation of Carbonyl Compounds - Laboratoire de Chimie Moléculaire (LCM) Accéder directement au contenu
Article Dans Une Revue Chemistry - A European Journal Année : 2022

Cobalt Complexes Supported by Phosphinoquinoline Ligands for the Catalyzed Hydrosilylation of Carbonyl Compounds

Résumé

P,N phosphinoquinoline based ligands differing by the nature of the phosphorus substituent (iPr, Ph) were employed to synthesize a series of cobalt(II) complexes ([LCoBr2], [L2CoBr](PF6) and [L’2CoBr](PF6)). The latter were obtained in high yield and characterized among others by X-ray analysis and elemental analysis. Complex [L2CoBr](PF6) showed a very good catalytic activity for the hydrosilylation of various ketones. The catalysis proceeds at a low catalytic loading (1 mol %) with only 1 equivalent of Ph2SiH2 in mild conditions and was efficient with aliphatic or aromatic ketones giving moderate to excellent yields of the corresponding silylated ether.
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Dates et versions

hal-03800983 , version 1 (06-12-2023)

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Pauline Schiltz, Nicolas Casaretto, Audrey Auffrant, Corinne Gosmini. Cobalt Complexes Supported by Phosphinoquinoline Ligands for the Catalyzed Hydrosilylation of Carbonyl Compounds. Chemistry - A European Journal, 2022, 28 (32), pp.e202200437. ⟨10.1002/chem.202200437⟩. ⟨hal-03800983⟩
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