Artículo
Application of Phosphine-Phosphite Ligands in the Iridium Catalyzed Enantioselective Hydrogenation of 2-Methylquinoline
Autor/es | Rubio Moreno, Miguel
Pizzano Mancera, Antonio |
Departamento | Universidad de Sevilla. Departamento de Química Inorgánica |
Fecha de publicación | 2010-10-29 |
Fecha de depósito | 2017-12-29 |
Publicado en |
|
Resumen | The hydrogenation of 2-methylquinoline with Ir catalysts based on chiral phosphine-phosphites has been investigated. It has been observed that the reaction is very sensitive to the nature of the ligand. Optimization of the ... The hydrogenation of 2-methylquinoline with Ir catalysts based on chiral phosphine-phosphites has been investigated. It has been observed that the reaction is very sensitive to the nature of the ligand. Optimization of the catalyst, allowed by the highly modular structure of these phosphine-phosphites, has improved the enantioselectivity of the reaction up to 73% ee. The influence of additives in this reaction has also been investigated. Contrary to the beneficial influence observed in related catalytic systems, iodine has a deleterious effect in the present case. Otherwise, aryl phosphoric acids produce a positive impact on catalyst activity without a decrease on enantioselectivity. |
Agencias financiadoras | Ministerio de Ciencia e Innovación (MICIN). España Junta de Andalucía |
Identificador del proyecto | CTQ2009-11867
CSD2007- 00006 2008/ FQM-3830 |
Cita | Rubio Moreno, M. y Pizzano Mancera, A. (2010). Application of Phosphine-Phosphite Ligands in the Iridium Catalyzed Enantioselective Hydrogenation of 2-Methylquinoline. Molecules, 15 (11), 7732-7741. |
Ficheros | Tamaño | Formato | Ver | Descripción |
---|---|---|---|---|
Application_2010.pdf | 121.3Kb | [PDF] | Ver/ | |