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1 Polish Journal of Chemical Technology

1 2024

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Green preparation of argentum tungstate and characterization as nanorod with catalytic evaluation for synthesizing tetracyclic xanthenes and validation as anti-TB

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Almehizia A. A. , Al-Omar M. A. , Naglah A. M. , Ghabbour H. A. , Hassan A. S. , Khatab T. K.

Polish Journal of Chemical Technology

2024

tom Vol. 26, nr 4

1--7

The work presented a facile, one-step procedure as a green assembly process for preparing silver tungstate nanorod by hydrothermal technique via a chemical reaction between silver nitrate and sodium tungstate. The synthesized precipitate was characterized using X-ray diffraction (XRD) transmission electronic microscope (TEM) and scanning electron microscopy (SEM) to ensure the formation of crystallization and single-phase material. The prepared nanorods undergo a catalytic evaluation to synthesize tetrahydrobenzo[a] xanthene-11-one derivatives by a one-pot reaction of β-naphthol, dimedone, and aromatic aldehyde with a catalytic amount of silver tungstate under the solvent-free condition at 60–70 °C. ArgC is one of the L-arginine biosynthetic pathways of mycobacterium tuberculosis. The molecular docking explains that all the synthesized compounds presented high ligand ability for the targeted enzyme compared with xanthene-9-carboxylic acid as a reference.