DS10 - Défi des autres savoirs

Elaboration of supramolecular assemblies of organometallic complexes by pi-anion interactions and application in asymmetric catalysis. – OREO

Submission summary

Organic chemists are still faced with important challenges, especially with regard to the efficient preparation of enantiopure molecules. In modern organic chemistry, organometallic catalysis is one of the main methods employed to obtain these compounds. Nevertheless, the applications of enantioselective transition-metal catalysis are still limited because there are only a few easily prepared ligands that are efficient for a wide range of substrates. Non-covalent interactions (H-bonding, ion-pairing, pi-interactions) are of paramount importance in catalysis to efficiently generate products in high selectivity. However, among these, pi-anion interactions have, yet, to be explored within the context of organometallic catalysis. The objective of this proposal is, therefore, to develop new (chiral) organometallic complexes self-assembled in an original fashion through non-covalent pi-anion interactions. We aim to synthesize complexes readily available, inexpensive, highly efficient, and selective, to provide an alternative to the current catalytic systems. They will, then, be used in classical (enantioselective) catalytic reactions of industrial importance, such as hydroformylation, hydrogenation, hydrosilylation, etc. We will also modulate the reactivity of these complexes, via the counterion, that could be part of the organometallic complex or the substrate, to develop new transformations. Thus, this proposal could provide major advances in the fields of organometallic chemistry, homogeneous catalysis and supramolecular chemistry.

Project coordination

david leboeuf (Institut de Chimie Moléculaire et des Matériaux d’Orsay)

The author of this summary is the project coordinator, who is responsible for the content of this summary. The ANR declines any responsibility as for its contents.

Partner

ICMMO Institut de Chimie Moléculaire et des Matériaux d’Orsay

Help of the ANR 156,000 euros
Beginning and duration of the scientific project: December 2016 - 42 Months

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