Ligand dependence of the synthetic approach and chiroptical properties of a magic cluster protected with a bicyclic chiral thiolate

Stefan Knoppe; Nuwan Kothalawala; Vijay Reddy Jupally; Amala Dass; Thomas Bürgi

doi:10.1039/c2cc00056c

Ligand dependence of the synthetic approach and chiroptical properties of a magic cluster protected with a bicyclic chiral thiolate

Chem Commun (Camb). 2012 May 14;48(38):4630-2. doi: 10.1039/c2cc00056c. Epub 2012 Apr 2.

Authors

Stefan Knoppe¹, Nuwan Kothalawala, Vijay Reddy Jupally, Amala Dass, Thomas Bürgi

Affiliation

¹ Department of Physical Chemistry, University of Geneva, 30 Quai Ernest-Ansermet, 1211 Genève 4, Switzerland.

PMID: 22498833
DOI: 10.1039/c2cc00056c

Abstract

Chiral gold clusters stabilised by enantiopure thiolates were prepared, size-selected and characterised by circular dichroism and mass spectrometry. The product distribution is found to be ligand dependent. Au(25) clusters protected with camphorthiol show clear resemblance of their chiroptical properties with their glutathionate analogue.