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s- and p-Block wonders – a tale of offbeat main group metal complexes

Séminaire Chimie ED459

Dr. Yann Sarazin, D.R. CNRS (ISCR Institut des Sciences Chimiques de Rennes, UMR 6226, CNRS, Université de Rennes)

Le Jeudi 12 octobre 2023 à 11h

CNRS, Amphithéâtre Balard (bâtiment Balard RdC, 1919 route de Mende)

Date de début : 2023-10-12 11:00:00

Date de fin : 2023-10-12 12:30:00

Lieu : CNRS salle Balard-1 (site RdM bât. Balard RdC)

Intervenant : Dr. Yann Sarazin, D.R. CNRS

ISCR Institut des Sciences Chimiques de Rennes, UMR 6226, CNRS, Université de Rennes

In recent years, main group metals have emerged as viable alternatives to more traditional transition metals for a range of applications in organic chemistry, for instance as homogeneous catalysts in a variety of metal-mediated transformations or for site-selective functionalisations.

Our group has been involved for 15 years in the design of highly reactive, electron-deficient complexes based on main group metals that have often been overlooked, e.g. the large alkaline earths (Ca, Sr and Ba), tetrels (Sn, Pb) and pnictogens (Sb, Bi). In this lecture, the synthesis and bonding features of a suite of highly electrophilic complexes built around these elements will be detailed. Their implementation as molecular catalysts for E–H/E’–H heterodehydrocoupling reactions (E, E’ = Si, N, P, O) and for unusual C–H activation processes will be discussed.

Pertinent references:

Chem. Eur. J. 2014, 20, 7706.

Angew. Chem. Int. Ed. 2018, 57, 11747.

Angew. Chem. Int. Ed. 2020, 59, 9120.

Chem. Sci. 2021, 12, 7098.

Dalton Trans. 2021, 50, 9021.

Main Group Met. Chem. 2023, 46, 20230012.

Contact local ICGM : Dr. Armelle Ouali (Dépt. D1)