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Conformation-Selective Synthesis and Binding Properties of N-Benzylhexahomotriaza-p-chlorocalix[3]trinaphthylamide

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posted on 18.07.2008 by Chatthai Kaewtong, Nongnuj Muangsin, Narongsak Chaichit, Buncha Pulpoka
N-Benzylhexahomotriaza-p-chlorocalix[3]trinaphthylamide in partial cone conformation was selectively synthesized by appropriately controlling the steric effect during the amidation reactions of N-benzylhexahomotriaza-p-chlorocalix[3]tri(ethyl acetate) in cone or partial cone conformations with use of 1-aminomethylnaphthalene. The conformation was confirmed by 1H, 13C, and 2D NMR and X-ray single-crystal analysis. Analyses of the complexes revealed that recognition is strongly affected by Cd2+, Pb2+, and F ions.

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