Synthesis Of Lower Rim Substituted p-tert-Butylcalix[4]Arene Derivatives And Their Interactions With Metal Ions: Synthesis, Structure, Spectra And Magnetic

The present thesis primarily deals with lower rim substituted calix[4]arene derivatives and their metal ion complexes, and the biomimetic and biological studies of these complexes. Broadly, the thesis can be divided into three parts, (a) Calix[4]arene amide and aminoacid derivative and their metal ion complexes with alkali and alkaline earth metal ions; (b) carboxylic-acid based derivative and their metal ion complexes and (c) imine based derivatives, their transition metal ion complexes, and fluorescence binding studies. The K+ (when used as carbonate) was found to act as template in the formation of calix[4]arene tetra-amide derivative exclusively, immaterial of the ratios of the reactants, with the generation of calix[4]arene-monoanion and the structure of this has been characterized by single crystal XRD study. Metal ion complexes of p-tert-butylcalix[4]arene-diacid with Mn(II), Mn(IV), Fe(III), Co(II), Ni(II), Cu(II), Zn(II) and Sn(IV) have been discussed. More Info

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