Iridium(I) complexes with bidentate NHC ligands as catalysts for dehydrogenative directed C–H silylation

Romane Manguin; María Galiana-Cameo; Tanakorn Kittikool; Cécile Barthes; Jompol Thongpaen; Etienne Bancal; Sonia Mallet-Ladeira; Sirilata Yotphan; Ricardo Castarlenas; Marc Mauduit; Jean-Baptiste Sortais; Olivier Baslé

doi:10.1039/D2CC06865F

Iridium(i) complexes with bidentate NHC ligands as catalysts for dehydrogenative directed C–H silylation†

Romane Manguin,‡^ab María Galiana-Cameo,‡^c Tanakorn Kittikool,‡^ad Cécile Barthes,^a Jompol Thongpaen,^ab Etienne Bancal,^a Sonia Mallet-Ladeira,^e Sirilata Yotphan,

^d Ricardo Castarlenas,

^c Marc Mauduit,

^b Jean-Baptiste Sortais

*^a and Olivier Baslé

*^a

Author affiliations

* Corresponding authors

^a LCC-CNRS, Université de Toulouse, CNRS, UPS, Toulouse, France
E-mail: olivier.basle@lcc-toulouse.fr

^b Univ Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR – UMR 6226, Rennes, France

^c Departamento de Química Inorgánica-Instituto de Síntesis Química y Catálisis Homogénea (ISQCH),Universidad de Zaragoza-CSIC, C/Pedro Cerbuna 12, Zaragoza, CP, Spain

^d Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Mahidol University, Rama VI Road, Bangkok, Thailand

^e Université de Toulouse, UPS, Institut de Chimie de Toulouse, FR2599, 118 Route de Narbonne, Toulouse, France

Abstract

A series of (NHC)(cod)Ir(I) complexes bearing NHC-carboxylate ligands were efficiently synthesized and fully characterized. Their solid-state structures confirmed the bidentate coordination mode of these LX-type NHC ligands. These unprecedented iridium(I) complexes demonstrated efficient catalytic activities in dehydrogenative directed C–H silylation of arenes, and allowed for excellent ortho-selectivity control with aromatic silylating agents.

This article is part of the themed collection: 2023 Pioneering Investigators

Chemical Communications

Iridium(i) complexes with bidentate NHC ligands as catalysts for dehydrogenative directed C–H silylation†

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