Asymmetric amplification in amino acid sublimation involving racemic compound to conglomerate conversion

Cristóbal Viedma; Wim L. Noorduin; José E. Ortiz; Trinidad de Torres; Pedro Cintas

doi:10.1039/C0CC04271D

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Chemical Communications

Issue 2, 2011

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Asymmetric amplification in amino acid sublimation involving racemic compound to conglomerate conversion

Cristóbal Viedma , Wim L. Noorduin , José E. Ortiz , Trinidad de Torres and Pedro Cintas

Chem. Commun., 2011, 47, 671-673

DOI: 10.1039/C0CC04271D
Received 07 Oct 2010, Accepted 29 Oct 2010
First published on the web 26 Nov 2010

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Abstract
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A straightforward unprecedented sublimation protocol that reveals both conversion of a racemic compound into a racemic conglomerate and subsequent enantioenrichment has been developed for the proteinogenic amino acid valine. The phenomenon has been observed in closed and open systems, providing insight into asymmetric amplification mechanisms under presumably prebiotic conditions.

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Sublimation protocol and chiral HPLC analysis of valine samples.
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Cristóbal Viedma
Wim L. Noorduin
José E. Ortiz
Trinidad de Torres
Pedro Cintas

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Chemical Communications

Asymmetric amplification in amino acid sublimation involving racemic compound to conglomerate conversion

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