Naphtho[2,3-a]pyrene forms chiral domains on Au111.
Identifieur interne : 000388 ( Ncbi/Curation ); précédent : 000387; suivant : 000389Naphtho[2,3-a]pyrene forms chiral domains on Au111.
Auteurs : C Brian France [États-Unis] ; B A ParkinsonSource :
- Journal of the American Chemical Society [ 0002-7863 ] ; 2003.
English descriptors
- KwdEn :
- MESH :
- chemical , chemistry : Aluminum Silicates, Gold, Pyrenes.
- Stereoisomerism.
Abstract
Chiral domains have been prepared by evaporation of a two-dimensionally chiral molecule, naphtho[2,3-a]pyrene (NP), onto the hexagonal Au(111) surface in an ultrahigh vacuum environment. High-resolution UHV scanning tunneling microscopy (STM) showed that NP formed chiral domains consisting of only one 2D enantiomer rather than racemic two-dimensional unit cells. A structural model is proposed that agrees with the STM observations. Chiral pockets between adsorbed molecules may be useful for binding a specific enantiomer of a 3D chiral molecule.
DOI: 10.1021/ja037056o
PubMed: 14558811
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