Abstract
Novel crown ethers 9– 13 containing a chiral subunit derived from 3-( p-methoxyphenoxy)propane-1,2-diol 7 were prepared in enantiomerically pure forms. Chiral recognition properties of these receptors towards l- and d-amino acid derivatives were examined by the UV–vis titration method. These receptors exhibit good chiral recognition towards the isomers (up to K L / K D = 5.81, ΔΔ G 0 = 4.30 kJ mol −1) in CHCl 3 at 25 °C.
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