<abstract xmlns="http://www.w3.org/1999/xhtml">A green procedure for the one-pot three-component synthesis of 1-amidoalkyl-2-naphthol and 3-amino-1-phenyl-1<italic>H</italic> benzo[<italic>f</italic>]chromene-2-carbonitrile derivatives from the reaction of 2-naphtol, aldehydes, and malononitrile/acetamide in the presence of a catalytic amount of Fe3O4@enamine-B(OSO3H)2 as an efficient and novel heterogeneous magnetic nanostructure catalyst is described. The catalyst was characterized using Fourier transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA), vibrating sample magnetometry (VSM), energy dispersive X-ray spectroscopy (EDX), and X-ray diffraction (XRD). These strategies possess some merits such as simple work-up method, easy preparation of the catalyst, short reaction times, good-to-high yields, and non-use of hazardous solvents during all steps of the reactions. Moreover, due to the magnetic nature of the catalyst, it was readily recovered by magnetic decantation and can be recycled at least six runs with no considerable decrease in catalytic activity.</abstract>

A green procedure for the one-pot three-component synthesis of 1-amidoalkyl-2-naphthol and 3-amino-1-phenyl-1H benzo[f]chromene-2-carbonitrile derivatives from the reaction of 2-naphtol, aldehydes, and malononitrile/acetamide in the presence of a catalytic amount of Fe3O4@enamine-B(OSO3H)2 as an efficient and novel heterogeneous magnetic nanostructure catalyst is described. The catalyst was characterized using Fourier transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA), vibrating sample magnetometry (VSM), energy dispersive X-ray spectroscopy (EDX), and X-ray diffraction (XRD). These strategies possess some merits such as simple work-up method, easy preparation of the catalyst, short reaction times, good-to-high yields, and non-use of hazardous solvents during all steps of the reactions. Moreover, due to the magnetic nature of the catalyst, it was readily recovered by magnetic decantation and can be recycled at least six runs with no considerable decrease in catalytic activity.

Solvent-free synthesis of 1-amidoalkyl-2-naphthol and 3-amino-1-phenyl-1<italic>H</italic> benzo[<italic>f</italic>]chromene-2-carbonitrile derivatives by Fe3O4@enamine-B(OSO3H)2 as an efficient and novel heterogeneous magnetic nanostructure catalyst

Guodian Jinshajiang Xulong Hydropower Development Co., Ltd

State Key Laboratory of Coastal and Offshore Engineering

Department of Architecture and Engineering

Polish Journal of Chemical Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Solvent-free synthesis of 1-amidoalkyl-2-naphthol and 3-amino-1-phenyl-1 benzo[]chromene-2-carbonitrile derivatives by FeO@enamine-B(OSOH) as an efficient and novel heterogeneous magnetic nanostructure catalyst

A green procedure for the one-pot three-component synthesis of 1-amidoalkyl-2-naphthol and 3-amino-1-phenyl-1H benzo[f]chromene-2-carbonitrile derivatives from...

Solvent-free synthesis of 1-amidoalkyl-2-naphthol and 3-amino-1-phenyl-1H benzo[f]chromene-2-carbonitrile derivatives by Fe₃O₄@enamine-B(OSO₃H)₂ as an efficient and novel heterogeneous magnetic nanostructure catalyst

Online veröffentlicht: 13. Mai 2020

Seitenbereich: 9 - 19

DOI: https://doi.org/10.2478/pjct-2020-0012

Schlüsselwörter
1-amidoalkyl-2-naphthol, 3-amino-1-phenyl-1 benzo[]chromene-2-carbonitrile, solvent-free conditions, magnetic, catalyst

© 2020 Fangping Li et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Solvent-free synthesis of 1-amidoalkyl-2-naphthol and 3-amino-1-phenyl-1H benzo[f]chromene-2-carbonitrile derivatives by Fe3O4@enamine-B(OSO3H)2 as an efficient and novel heterogeneous magnetic nanostructure catalyst

Online veröffentlicht: 13. Mai 2020

Seitenbereich: 9 - 19

DOI: https://doi.org/10.2478/pjct-2020-0012

Schlüsselwörter1-amidoalkyl-2-naphthol, 3-amino-1-phenyl-1 benzo[]chromene-2-carbonitrile, solvent-free conditions, magnetic, catalyst

© 2020 Fangping Li et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Solvent-free synthesis of 1-amidoalkyl-2-naphthol and 3-amino-1-phenyl-1H benzo[f]chromene-2-carbonitrile derivatives by Fe₃O₄@enamine-B(OSO₃H)₂ as an efficient and novel heterogeneous magnetic nanostructure catalyst

Schlüsselwörter
1-amidoalkyl-2-naphthol, 3-amino-1-phenyl-1 benzo[]chromene-2-carbonitrile, solvent-free conditions, magnetic, catalyst