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Dr Stéphane Le Gac

CNRS Researcher

Institut des Sciences Chimiques de Rennes
UMR 6226 CNRS - Université Rennes 1
Campus de Beaulieu - Building 10C - Room 127
35042 Rennes Cedex - France

Phone : 33 (0) 2 23 23 65 72

Education and professional experience

Stéphane Le Gac completed his PhD in organic chemistry in 2006 under the supervision of Prof. I. Jabin, at the University of Le Havre, where he developed molecular receptors derived from calix[6]arenes. He started a first postdoctoral period at the Free University of Brussels (Belgium) with Prof. A. Kirsch-De Mesmaeker, working with ruthenium-oligonucleotide photo-reagents for skin cancer therapy. He then moved to the Radboud University in Nijmegen (The Netherlands) as a postdoctoral fellow in the groups of Prof. R. Nolte and Prof. A. Rowan, aiming at the development of new strategies for the functionalization of helical polymers (polyisocyanides). In 2009, he was appointed CNRS researcher at the University of Rennes (France) where he obtained his Habilitation diploma in 2014. His current research interests lie in the design of novel macromolecular scaffolds based on porphyrinoids, exploring exotic coordination modes as primary motivation.

Research interests

i) Bimetallic porphyrin complexes

ii) Capped hexaphyrins


  • Dr. Luca Fusaro (University of Namur, Belgium): hetero-nucleus NMR spectroscopy
  • Dr. Mickael Ménand (Université Pierre et Marie Curie, France): hexaphyrin-cyclodextrin hybrids

Selected recent publications

  • Hexaphyrin-Cyclodextrin Hybrids: a Nest for Switchable Aromaticity, Asymmetric Confinement and Isomorphic Fluxionality
    M. Ménand, M. Sollogoub, B. Boitrel, S. Le Gac
    Angew. Chem. Int. Ed. (2016) 55, 297-301.
  • Sunlight-Driven Formation and Dissociation of a Dynamic Mixed Valence Thallium(III)/Thallium(I) Porphyrin Complex
    V. Ndoyom, L. Fusaro, V. Dorcet, B. Boitrel, S. Le Gac
    Angew. Chem. Int. Ed. (2015) 54, 3806-3811.
  • Heterobimetallic Porphyrin Complexes Displaying Triple Dynamics: Coupled Metal Motions Controlled by Constitutional Evolution
    S. Le Gac, L. Fusaro, T. Roisnel, B. Boitrel
    J. Am. Chem. Soc. (2014) 136, 6698-6715.

Publications referenced in HAL