One-pot three-component synthesis of 1-amidoalkyl naphthols and polyhydroquinolines using a deep eutectic solvent: a green method and mechanistic insight
The multicomponent synthesis of 1-amidoalkyl naphthols and polyhydroquinolines has been developed as an atom-economic procedure catalyzed by a deepeutecticsolvent ([CholineCl][ZnCl2]3). The reactions proceed smoothly at low temperatures for a short reaction time without the use of toxic and volatile organic solvents. Deepeutecticsolvents are capable of not only allowing multicomponent reactions
Solvent-free synthesis of 1-amidoalkyl-2-naphthols using magnetic nanoparticle-supported 2-(((4-(1-iminoethyl)phenyl)imino)methyl)phenol Cu (II) or Zn (II) Schiff base complexes
作者:Fatemeh Ghorbani、Hamzeh Kiyani、Seied Ali Pourmousavi、Davood Ajloo
DOI:10.1007/s11164-020-04142-7
日期:2020.6
(((4-(1-iminoethyl)phenyl)imino)methyl)phenols were successfully synthesized, characterized, and applied in the one-pot three-component reaction of substituted benzaldehydes, 2-naphthol, and amides for synthesis of 1-amidoalkyl-2-naphthols. These three-component processes occurred under solvent-free reaction conditions at 80 °C. The magnetically recoverable supported Schiffbase metal catalysts can
An atom-efficient and environment-friendly approach for the synthesis of amidoalkyl naphthols (4a-x) via multicomponent one-pot reaction of 2-naphthol (1), aromatic aldehyde (2) and amide (3) catalyzed by P2O5 has been developed. The present approach offers several advantages such as reduced reaction times, moderate temperature, higher yields, eco-friendly reaction condition, easy purification and economic availability of the catalyst. (C) 2009 Elsevier Ltd. All rights reserved.