Catalytic hydration of terminal alkynes and nitriles without reducing reagents, acidic promoters, and organic solvent over Fe3O4@Starch–AuStarchAlkynesNitrilesAryl methyl ketonesAmidesMagnetic catalystRECYCLABLE NANOCATALYSTMULTICOMPONENTPOLYMERSTARCHMagnetic heterogeneous nanoparticles (Fe3O4 NPs) were prepared...
Aliphatic alkynes participated in the reaction to deliver the products 4o–4u in good yields. A range of functional groups, such as ester, amide, carbamate, sulfonamide bearing an acidic proton, were well tolerated. However, reaction of unprotected 4-ethynylaniline and 3-ethynylphenol with 1a ...