Journal
TETRAHEDRON
Volume 63, Issue 32, Pages 7560-7564Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2007.05.054
Keywords
pyrrole; acyclic receptor; anion recognition
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A new series of acyclic anion receptors (1-4) based on methyl 5-(aminomethyl)-1H-pyrrole-2-carboxylate were designed and synthesized. The anion recognition properties of these receptors were examined by H-1 NMR spectroscopy and rationalized by density functional theoretical calculation. Receptor 1 displays the highest affinity and selectivity for anionic guests mainly due to the intramolecular hydrogen bonds and rigid molecular geometry. (C) 2007 Elsevier Ltd. All rights reserved.
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