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Chem Commun (Camb). 2017 Apr 04;53(28):3964-3966. doi: 10.1039/c7cc00907k.

Reversible crystal-to-crystal chiral resolution: making/breaking non-bonding SO interactions.

Chemical communications (Cambridge, England)

R Alex Mayo, David J Sullivan, Travis A P Fillion, Stefan W Kycia, Dmitriy V Soldatov, Kathryn E Preuss

Affiliations

  1. Department of Chemistry, University of Guelph, Guelph, ON N1G 2W1, Canada. [email protected].
  2. Department of Physics, University of Guelph, Guelph, ON N1G 2W1, Canada.

PMID: 28327724 DOI: 10.1039/c7cc00907k

Abstract

An achiral organic molecule adopts a chiral conformation, crystallizing in two morphologies: a racemic form, stable <70 °C, and a homochiral form, stable ≥70 °C. Upon seeding, crystal-to-crystal phase transitions occur reversibly between the racemic and chiral forms. Liquid-to-solid chiral crystallization is observed >90% of the time from the melt.

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