Molybdatophosphoric Acid/NaNO₂/Wet SiO₂ as an Efficient System for the Aromatization of 1,2‐Dihydroquinolines under Mild and Heterogeneous Conditions

Khodabakhsh Niknam Department of Chemistry, Faculty of Sciences, Persian Gulf University, Bushehr, IranCorrespondence[email protected] or [email protected]

Bahador Karami Department of Chemistry, Yasouj University, Yasouj, Iran

Saghar Molazadeh Islamic Azad University, Gachsaran, Iran

Azar Pourkhosro Islamic Azad University, Gachsaran, Iran

Abstract

A combination of molybdatophosphoric acid and NaNO₂ in the presence of wet SiO₂ was used as an effective oxidizing agent for the oxidation of 1,2‐dihydroquinolines to their corresponding quinoline derivatives in dichlomethane at room temperature with excellent yields.

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Molybdatophosphoric Acid/NaNO₂/Wet SiO₂ as an Efficient System for the Aromatization of 1,2‐Dihydroquinolines under Mild and Heterogeneous Conditions

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Molybdatophosphoric Acid/NaNO2/Wet SiO2 as an Efficient System for the Aromatization of 1,2‐Dihydroquinolines under Mild and Heterogeneous Conditions

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Molybdatophosphoric Acid/NaNO₂/Wet SiO₂ as an Efficient System for the Aromatization of 1,2‐Dihydroquinolines under Mild and Heterogeneous Conditions