[en] Solvent-induced enantioselectivity reversal is a rarely reported phenomenon in porous homochiral materials. Similar behavior has been studied in chiral high performance liquid chromatography, where minor modifications to the mobile phase can induce elution order reversal of two enantiomers on a chiral stationary phase column. We report the first instance of solvent-induced enantioselectivity reversal in a homochiral metal organic framework. Further, we highlight the complex enantioselectivity behavior of homochiral metal organic frameworks toward racemic mixtures in the presence of solvents through racemate-solvent enantioselectivity and loading experiments as well as enantiopure-solvent loading experiments. We hypothesize that this interesting selectivity reversal behavior is likely to be observed in other competitive adsorption, nonchiral selective processes involving a solvent.
Disciplines :
Chemical engineering
Author, co-author :
Slater, Benjamin D; Department of Chemical Engineering, Barrer Centre, Imperial College London, London, SW7 2AZ, UK ; CSIRO, Private Bag 10, Clayton South MDC, Clayton, Australia
Hill, Matthew R; CSIRO, Private Bag 10, Clayton South MDC, Clayton, Australia
LADEWIG, Bradley Paul ; University of Luxembourg ; Department of Chemical Engineering, Barrer Centre, Imperial College London, London, SW7 2AZ, UK ; Institute for Micro Process Engineering, Karlsruhe Institute of Technology, Eggenstein-Leopoldshafen, Germany
External co-authors :
yes
Language :
English
Title :
Solvent-induced enantioselectivity reversal in a chiral metal organic framework.
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