Design, synthesis and properties of novel C₆₀-crown dyads by 1,3-dipolar cycloaddition

Abstract

Based on the 1,3-dipolar cycloaddition of azomethine ylide generated in situ from aldehyde and sarcosine attached to C₆₀, two novel benzo-15-crown-5/C₆₀ dyads with a different linking chain in each were designed and synthesized in yields of 30% and 38%, respectively. It was found that their UV-Vis absorption spectra could be regulated hypsochromically by metal ions complexed. The long and soft linking chain was favorable for cooperate interaction of crown ether unit and C₆₀ unit.

Keywords

C₆₀ / Benzo-15-crown-5 / 1,3-Dipolar cycloaddition / Complexation

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