Synthesis of one-pot pyrazolo[4′,3′:5,6]pyrano[2,3-c]phenazin-15-yl) methanone derivatives via a multi-component using Fe3O4@TiO2-SO3H as a recoverable magnetic catalyst under microwave irradiation
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DOI: 10.1080/17518253.2020.1794056
Abstract: ABSTRACT A new one-pot method for the synthesis four-component of pyrazolo[4′,3′:5,6]pyrano[2,3-c]phenazin-15-yl)methanone derivatives has been developed in the presence of nano Fe3O4@TiO2-SO3H catalysts (heterogeneous acid) under microwave conditions and in a solvent-free environment at 180 W. One… read more here.
Keywords: methanone derivatives; pyrazolo pyrano; one pot; pyrano phenazin ... See more keywords