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1 Ecological Chemistry and Engineering. S

1 2022

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The synthesis of 2,2-bis(1-indol-3-yl)acenaphthylene-1(2)-ones usingnanocatalysis : fluorescent sensing for Cu2+ ions

Mohammadi Ziarani Ghodsi, Khademi Mahdieh, Mohajer Fatemeh, Badiei Alireza, Varma Rajender S.

Ecological Chemistry and Engineering. S

2022

Vol. 29, nr 4

463--475

2,2-bis(1H-indol-3-yl)acenaphthylene-1(2H)-ones were synthesised by the reaction of acenaphthenequinone and 2 equivalents of indole using Fe3O4@SiO2@Si-Pr-NH-CH2CH2NH2 as the basic magnetic nanocatalyst, assembled under greener and sustainable conditions in high purity and yields. Furthermore, the photoluminescence properties of 2,2-bis(2-methyl-1H-indol-3-yl)acenaphthylene-1(2H)-one were exploited for the sensing of copper ions in the mixed solvent systems comprising H2O and CH3CN in excitation wavelength at 410 nm with a detection limit of 9.5 ∙ 10–6 M.