Synthesis, characterization and selective Cu2+ recognition of novel E- and Z-stilbenophanes.
- Resource Type
- Article
- Authors
- Darabi, Hossein Reza; Sobhani, Leila; Rastgar, Saeed; Aghapoor, Kioumars; Amini, Saeed K.; Zadmard, Reza; Jadidi, Khosrow; Notash, Behrouz
- Source
- Supramolecular Chemistry. Jan2019, Vol. 31 Issue 1, p45-51. 7p.
- Subject
- *NUCLEAR magnetic resonance
*MOLECULAR structure
*ISOMERS
*VOLUMETRIC analysis
*X-ray diffraction
- Language
- ISSN
- 1061-0278
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. [ABSTRACT FROM AUTHOR]