| Literature DB >> 12240329 |
J S You1, X Q Yu, G L Zhang, Q X Xiang, J B Lan, R G Xie.
Abstract
Novel chiral imidazole cyclophane receptors were synthesized by highly selective N-alkylation of the imadazolyl 1N-position of the bridged histidine diester 2 with the dibromide in the presence of NaH; these receptors exhibit good chiral recognition toward the enantiomers of L- and D-amino acid derivatives (up to KD/KL = 3.52, delta delta G0 = -3.11 kJ mol-1) in CHCl3 at 25.0 degrees C.Entities:
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Year: 2001 PMID： 12240329 DOI： 10.1039/b103325p
Source DB: PubMed Journal: Chem Commun (Camb) ISSN： 1359-7345 Impact factor: 6.222