Green synthesis of novel pyrazolo‐fused benzophenazines using H3PW12O40 as efficient and recyclable catalyst under microwave irradiation

A high‐yield, atom‐efficient, and green protocol for the synthesis of novel pyrazolo‐fused benzophenazines utilizing a multicomponent condensation reaction between 2‐hydroxynaphthalene‐1,4‐dione, o‐phenylenediamine, aromatic aldehydes, and 4‐methylbenzenesulfonohydrazide in the presence of phosphotu...

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Veröffentlicht in:	Journal of the Chinese Chemical Society (Taipei) 2018-10, Vol.65 (10), p.1259-1265
Hauptverfasser:	Mohebat, Razieh, Dehgan, Parisa, Yazdani‐Elah‐Abadi, Afshin
Format:	Artikel
Sprache:	eng
Schlagworte:	Aldehydes benzophenazine Catalysis Catalysts Chemical synthesis Clean energy Diketones Energy conservation environmentally friendly Irradiation microwave irradiation multicomponent reaction (MCR) Organic chemistry Phenylenediamine phosphotungstic acid pyrazole derivative Reagents
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