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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 29, Number 3
BKCSDE 29(3)
March 20, 2008 

Sr2+ Ion Selective p-tert-Butylthiacalix[4]arene Bearing Two Distal Amide Units
Tae Hyun Kim, Hasuck Kim*, Joung Hae Lee, Jong Seung Kim*
Calixarene, Thiacalixarene, Strontium, Voltammetry, Ion recognition
A new thiacalix[4]arene diamide (TCAm) has been prepared and its electrochemical property and complexation behavior toward various metal ions have been investigated by voltammetry. p-tert-Butylthiacalix[4]arene diamide (TCAm) exhibited selectivity toward Sr2+ ion over alkali, alkaline earth and transition metal ions while conventional calix[4]arene diamides showed selective binding property with Ca2+ ion. This is probably due to the bigger size of thiacalix[4]arene than those of calix[4]arene.
620 - 622
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