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Short Communications

Synthesis, characterization and selective Cu2+ recognition of novel E– and Z–stilbenophanes

, , , , , , & show all
Pages 45-51 | Received 16 May 2018, Accepted 16 Sep 2018, Published online: 27 Sep 2018
 

ABSTRACT

We have demonstrated the synthesis and characterization of novel E- and Z-stilbenophanes via four reaction steps. X-ray structure analysis showed that the p-electrons of the double bonds and the oxygen atoms pointing towards the center of a cavity of Z-isomer. Both isomers recognize selectively Cu2+ ions over other competing metal ions as measured by UV-vis titration by the detection limit 10–12 µM. The 1:1 ratio complex formation was confirmed by HRMS analysis. Theoretical calculations based on GIAO and CMAD approaches and 1H NMR analysis confirmed the UV-vis data of Z-isomer.

Graphical Abstract

Acknowledgments

The Ministry of Science, Research and Technology of Iran is acknowledged for partial financial assistance of this work.

Disclosure statement

No potential conflict of interest was reported by the authors.

Supplementary material

supplemental data for this article can be accessed here.

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