N. Arrousse, E. Mabrouk, Khadija Ismaily Alaoui
May 5, 2020
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Journal
SN Applied Sciences
Abstract
In the present work, the economical synthesis strategy of the compound in high yield was reported through the reaction between fluorescein and benzoyl chloride under different operating conditions. The synthesized compound: 3-oxo-3H-spiro[isobenzofuran-1,9′-xanthene]-3′,6′-diyldibenzoate was characterized by IR, 1 H NMR, 13 C-NMR and mass spectral. This reaction has been studied also theoretically using Gaussian 09 based on the DFT method at B3LYP/6-311G (d, p). The results revealed that the theoretical study is in good correlation with the experimental one. The analysis of the absorption spectrum shows that the prepared product which has optical properties is a colored pigment.