A general strategy for the synthesis of 2N,4N'-disubstituted glycoluril enantiomers on a multigram scale using orthogonal protection is reported. The use of these glycolurils is demonstrated in the synthesis of enantiomerically pure bambus[6]uril macrocycles. Moreover, the deprotection of (S)-1-phenylethyl substituents on the macrocycle was achieved, opening access to various chiral bambus[6]urils via post-macrocyclization modification strategy.

Department of Chemistry Faculty of Science Masaryk University 625 00 Brno Czech Republic

RECETOX Faculty of Science Masaryk University 625 00 Brno Czech Republic

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