2‐Aminopyrazine catalyzed three‐component and one‐pot construction of 2‐amino‐4H‐chromene‐3‐carbonitrile by mortar‐pestle grinding and molecular docking studies
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DOI: 10.1002/jccs.202300418
Abstract: A highly efficient and environmentally friendly method for the synthesis of 2‐amino‐4H‐chromene‐3‐carbonitrile (ACC) derivatives has been successfully established. This innovative, solvent‐free approach involves a tandem three‐component and one‐pot reaction utilizing arylaldehyde, dicyanomethane, and dimedone/cyclohexane‐1,3‐dione, catalyzed… read more here.
Keywords: chromene carbonitrile; component one; three component; one pot ... See more keywords
An Efficient Oxidative Difunctionalisation of 2-Amino-2H-chromene and Antimicrobial Activity of the Synthesized Tetrahydrochromene Derivatives
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DOI: 10.1134/s1070363219050207
Abstract: A novel series of 3-amino-2,2-dialcoxy-7,7-dimethyl-5-oxo-4-phenyl-3,4,5,6,7,8-hexahydro-2H-chromene-3-carbonitriles are synthesized by oxidative difunctionalization (geminal dialkoxylation and migration of the amino group) of 2-amino-4-aryl-7,7-dimethyyl-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitriles in the presence of iodobenzenediacetate in water medium with excellent yields. All the newly synthesized… read more here.
Keywords: efficient oxidative; amino; activity; difunctionalisation amino ... See more keywords
New Role for Photoexcited Na2 Eosin Y via the Direct Hydrogen Atom Transfer Process in Photochemical Visible-Light-Induced Synthesis of 2-Amino-4H-Chromene Scaffolds Under Air Atmosphere
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DOI: 10.3389/fchem.2022.880257
Abstract: The Knoevenagel–Michael cyclocondensation of malononitrile, aryl aldehydes, and resorcinol was used as a multicomponent green tandem strategy for the metal-free synthesis of 2-amino-4H-chromene scaffolds. Through a visible-light-induced process, the photo-excited state functions derived from Na2… read more here.
Keywords: na2 eosin; chromene scaffolds; chemistry; amino chromene ... See more keywords