Formation of Molecular Complexes with Calixarenes as Detected by Induced Circular Dichroism
作者:Takashi Arimura、Seiji Shinkai
DOI:10.1246/bcsj.64.1896
日期:1991.6
Calix[n]arenes (n=4 and 6) bearing (S)-5-oxo-2-pyrrolidinylcarbonyloxyl groups on the lowerrim were synthesized. In chloroform, the hexamer bearing six (S)-5-oxo-2-pyrrolidinylcarbonyloxyl groups could “bind” ferrocenecarboxylic acid through hydrogen-bonding interactions, the complexation being conveniently detected by induced circular dichroism (ICD) spectroscopy (λmax 445 nm). On the basis of the