Induced Circular Dichroism in Phosphine Gold(I) Aryl Acetylide Urea Complexes through Hydrogen-Bonded Chiral Co-Assemblies

Abstract : Phosphine gold(I) aryl acetylide complexes equipped with a central bis(urea) moiety form 1D hydrogen-bonded polymeric assemblies in solution that do not display any optical activity. Chiral co-assemblies are formed by simple addition of an enantiopure (metal-free) complementary monomer. Although exhibiting an intrinsically achiral linear geometry, the gold(I) aryl acetylide fragment is located in the chiral environment displayed by the hydrogen-bonded co-assemblies, as demonstrated by induced circular dichroism (ICD).
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Julien Dubarle-Offner, Jamal Moussa, Hani Amouri, Benjamin Jouvelet, Laurent Bouteiller, et al.. Induced Circular Dichroism in Phosphine Gold(I) Aryl Acetylide Urea Complexes through Hydrogen-Bonded Chiral Co-Assemblies. Chemistry - A European Journal, Wiley-VCH Verlag, 2016, 22 (12), pp.3985-3990. ⟨10.1002/chem.201504441⟩. ⟨hal-01318173⟩

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