Journal
TETRAHEDRON LETTERS
Volume 47, Issue 39, Pages 7051-7055Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2006.07.088
Keywords
calixarenes; fluorescence; reverse PET
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BODIPY appended new calix[4]arene diethyl ester (1) has been synthesized in the cone conformation. With respect to fluorescence intensity changes upon metal ion complexation, 1 shows a Ca2+ ion selectivity over other metal cations. Presence of two proximal hydroxyl groups and two facing ethyl esters in BODIPY-calix[4]arene were observed to play an important role in exhibiting its selective Ca2+ ion binding. (c) 2006 Elsevier Ltd. All rights reserved.
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