In this paper, a water-soluble racemic self-assembled tetrahedral cage [Fe4L6](4-) was successfully resolved into their ΔΔΔΔ and ΛΛΛΛ enantiomers by (R)-/(S)-1,1'-bi-2-naphthol. The enantiomeric excess of the resolved Fe(II) cage was 99%.
A pair of enantiomeric Schiff bases were synthesized and characterized, in particular their absolute configurations were determined by vibrational circular dichroism spectroscopy.
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