Preparation, Characterization and Application of Silica-Supported Tungstophosphoric (HPW/SiO2) Acid Catalyst to the Synthesis of 1, 8-Dioxoacridine Carboxylic Acid Derivatives in Semi Aqueous Condition

An efficient, recyclable silica supported tungstophosphoric acid (HPW/SiO 2 ) catalyst was prepared by simple stirring method. The catalyst was characterized using FT-IR, X-ray diffraction (XRD), Brunauer-Emmett-Teller (BET), and scanning electron microscopy (SEM) techniques. The catalyst was explor...

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Bibliographic Details
Published in:Polycyclic aromatic compounds 2022-07, Vol.42 (6), p.3089-3102
Main Authors: Alotaibi, Mshari, Bakht, Md. Afroz, Alharthi, Abdulrahman I., Geesi, Mohammed H., Uddin, Israf, Albalwi, Hanan A., Riadi, Yassine
Format: Article
Language:English
Subjects:
8-dioxoacridine
Carboxylic acids
Catalysts
Chemical synthesis
HPW/SiO
Scanning electron microscopy
semi aqueous
Silica
Silicon dioxide
tungstophosphoric acid
X-ray diffraction
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Summary:An efficient, recyclable silica supported tungstophosphoric acid (HPW/SiO 2 ) catalyst was prepared by simple stirring method. The catalyst was characterized using FT-IR, X-ray diffraction (XRD), Brunauer-Emmett-Teller (BET), and scanning electron microscopy (SEM) techniques. The catalyst was explored in semi aqueous condition toward synthesis of 1,8-dioxoacridine carboxylic acid derivatives. It was recycled up to four runs and a very marginal loss was detected. The targeted compounds were synthesized in a very short time period and simple work procedure with excellent yield.
ISSN:1040-6638
1563-5333
DOI:10.1080/10406638.2020.1852588