Highly efficient chiral resolution of dl-arginine by cocrystal formation followed by recrystallization under preferential-enrichment conditions

Iwama, Sekai, Kuyama, Kazunori, Mori, Yuko, Manoj, Kochunnoonny, Gonnade, Rajesh G., Suzuki, Katsuaki, Hughes, Colan Evan, Williams, Philip Andrew, Harris, Kenneth David Maclean ORCID: https://orcid.org/0000-0001-7855-8598, Veesler, Stéphane, Takahashi, Hiroki, Tsue, Hirohito and Tamura, Rui 2014. Highly efficient chiral resolution of dl-arginine by cocrystal formation followed by recrystallization under preferential-enrichment conditions. Chemistry - a European Journal 20 (33) , pp. 10343-10350. 10.1002/chem.201402446

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Abstract

An excellent chiral symmetry-breaking spontaneous enantiomeric resolution phenomenon, denoted preferential enrichment, was observed on recrystallization of the 1:1 cocrystal of dl-arginine and fumaric acid, which is classified as a racemic compound crystal with a high eutectic ee value (>95 %), under non-equilibrium crystallization conditions. On the basis of temperature-controlled video microscopy and in situ time-resolved solid-state 13C NMR spectroscopic studies on the crystallization process, a new mechanism of phase transition that can induce preferential enrichment is proposed.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Chemistry
Subjects:	Q Science > QD Chemistry
Publisher:	WileyBlackwell
ISSN:	0947-6539
Last Modified:	27 Oct 2022 08:18
URI:	https://orca.cardiff.ac.uk/id/eprint/61890

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