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Updated: Jun 3, 2025

Construction and Systematical Symmetric Studies of a Series of Supramolecular Clusters with Binary or Ternary Ammonium Triphenylacetates
Published on: February 15, 2016
Spontaneous Resolution of the Fe(C2O4)3 Anion and Inclusion of Chiral Guest Molecules in BEDT-TTF Radical-Cation
Joseph O Ogar1, John D Wallis1, Toby J Blundell1
1School of Science and Technology, Nottingham Trent University, Nottingham, Clifton Lane NG11 8NS, U.K.
Abstract:
We report the synthesis of three radical-cation salts of BEDT-TTF from racemic tris(oxalato)ferrate by electrocrystallization in the presence of chiral molecules. In the presence of enantiopure l-(+)-tartaric acid, we observe spontaneous resolution of the labile tris(oxalato)ferrate anion to produce the chiral radical-cation salt α-(BEDT-TTF)5[Δ-Fe(C2O4)3].[l-(+)-tartaric acid]2 which contains only the Δ enantiomer of Fe(C2O4)3. Using enantiopure (R)-(-)-3-hydroxytetrahydrofuran as an additive gives α-(BEDT-TTF)12[Fe(oxalate)3]2.(H2O)16.ethanol.(R)-(-)-3-hydroxytetrahydrofuran, which includes the chiral guest and contains a racemic mixture of Λ and Δ enantiomers of Fe(C2O4)3. Enantiopure (S)-phenyloxirane is hydrolyzed to racemic 1-phenylethane-1,2-diol to produce racemic β"-β"-(BEDT-TTF)4(H2O/H3O)Fe(C2O4)3.1-phenylethane-1,2-diol.
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