Enantioselective molecular recognition of alpha-amino acid derivatives by two chiral uranyl salen hosts was investigated by NMR data. The receptors differ for the presence of two tert-butyl groups in the salen backbone. The uranyl hosts have shown high binding constant values and excellent enantioselectivities for the selected guests (up to 100 for the tryptophan derivative). (C) 2015 Elsevier Ltd. All rights reserved.
Enantiomeric recognition of alpha-amino acid derivatives by chiral uranyl-salen receptors
FORTE, GIUSEPPE;D'URSO, ALESSANDRO;BALLISTRERI, Francesco Paolo;TOSCANO, Rosa Maria;TOMASELLI, Gaetano;TRUSSO SFRAZZETTO, GIUSEPPE;PAPPALARDO, ANDREA
2015-01-01
Abstract
Enantioselective molecular recognition of alpha-amino acid derivatives by two chiral uranyl salen hosts was investigated by NMR data. The receptors differ for the presence of two tert-butyl groups in the salen backbone. The uranyl hosts have shown high binding constant values and excellent enantioselectivities for the selected guests (up to 100 for the tryptophan derivative). (C) 2015 Elsevier Ltd. All rights reserved.File in questo prodotto:
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Tetrahedron Letters 2015, 56 2922-2926.pdf
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