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Chemistry. 2016 Mar 14;22(12):3985-90. doi: 10.1002/chem.201504441. Epub 2016 Feb 4.

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

Author information

1
Sorbonne Universités, UPMC Univ Paris 06, CNRS, Institut Parisien de Chimie Moléculaire, 4 Place Jussieu, 75005, Paris, France.
2
Sorbonne Universités, UPMC Univ Paris 06, CNRS, Institut Parisien de Chimie Moléculaire, 4 Place Jussieu, 75005, Paris, France. hani.amouri@upmc.fr.
3
Sorbonne Universités, UPMC Univ Paris 06, CNRS, Institut Parisien de Chimie Moléculaire, 4 Place Jussieu, 75005, Paris, France. matthieu.raynal@upmc.fr.

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).

KEYWORDS:

gold complexes; induced circular dichroism; sergeants and soldiers; supramolecular chirality; supramolecular polymers

PMID:
26780877
DOI:
10.1002/chem.201504441
[Indexed for MEDLINE]

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