Cu(II)-β-cyclodextrin-catalyzed synthesis of spiro[indoline-3,4′-pyrano[3,2-c]chromene]-3′-carbonitrile derivatives
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DOI: 10.1080/00397911.2017.1373822
Abstract: ABSTRACT Cu(II)-β-cyclodextrin-catalyzed synthesis of spiro[indoline-3,4′-pyrano[3,2-c]chromene]-3′-carbonitriles through the reaction of isatin derivatives, 4-hydroxycoumarin, and malononitrile in ethanol at room temperature. GRAPHICAL ABSTRACT read more here.
Keywords: indoline pyrano; spiro indoline; synthesis spiro; catalyzed synthesis ... See more keywords