Ring a bell: Disubstituted calix[4]arene as ligand for transition metal chlorides

作者: Aurelien Crochet , Katharina M. Fromm

DOI: 10.1016/J.POLY.2012.08.004

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摘要: Lower rim 1,3-disubstituted p-tert-butylcalix[4]arene is studied here in its deprotonated form as complexing ligand for iron and chromium chloride. Crystallization of the two complexes from dry THF gives different stoichiometries structures, a trinuclear compound second, mononuclear structure with chromium. In both cases, adopts an elliptical shape metal ions are bound to lower calixarene molecule.

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