Abstract

The novel functionalized p-tert-butyldihomooxacalix[4]arene mono-Schiff bases were conveniently synthesized by sequential Gabriel amination reaction and condensation with substituted salicylaldehydes. The single crystal structures of p-tert-butyldihomooxacalix[4]arene mono-Schiff bases were determined by X-ray single crystal diffraction method. The coordination property of the representative mono-Schiff base to transition metal ions was also investigated by UV–vis spectroscopy.

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