Naoya Morohashi, Shizuka Iijima, Kosuke Akasaka, Tetsutaro Hattori
Abstract
p-tert -Butylcalix[4]arenedicarboxylic acid, in which two distal hydroxy groups of p-tert -butylcalix[4]arene are replaced with carboxy groups, shows extraction selectivity toward Pd 2+ ions by the formation of a 2 : 2 (M/L) complex.
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p-tert -Butylcalix[4]arenedicarboxylic acid, in which two distal hydroxy groups of p-tert -butylcalix[4]arene are replaced with carboxy groups, shows extraction selectivity toward Pd 2+ ions by the formation of a 2 : 2 (M/L) complex.
Key concepts: Chemistry, Extraction (chemistry), Calixarene, Selectivity, Stereochemistry, Medicinal chemistry, Ion, Catalysis