Xb. Hu et al., New chiral macrocyclic ligands. Design and synthesis of (R)-cysteine-containing calix[4]arenes, TETRAHEDR-A, 10(14), 1999, pp. 2685-2689
Four cysteine-containing calix[4]arenes, including three bis-cysteine bridg
ed and one non-bridged, were synthesized by the reaction of calix[4]arene d
iacid dichloride with the corresponding S-alkylated cysteine esters. (C) 19
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