Abstract
AbstractTwo new chiral calix[4]arenes bearing chiral pendants, which were from by‐product of the antibiotic industry, were synthesized and characterized by 1H NMR, MS‐FAB and elemental analysis. Studies of 1H NMR of the two calix[4] arene derivatives indicate that they exist in cone conformation in solution. Results of chiral recognition of the two chiral ligands 2a and 2b towards the tartaric add derivative 3 show that ligand 2a exhibited good chiral recognition abilities compared to ligand 2b.
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