Original Paper

Monatshefte für Chemie - Chemical Monthly

, Volume 142, Issue 9, pp 923-930

A one-pot multicomponent reaction for synthesis of 1-amidoalkyl-2-naphthols catalyzed by PEG-based dicationic acidic ionic liquids under solvent-free conditions

  • Jun LuoAffiliated withSchool of Chemical Engineering, Nanjing University of Science and Technology Email author 
  • , Qiang ZhangAffiliated withSchool of Chemical Engineering, Nanjing University of Science and Technology

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Abstract

A mild and efficient method was developed for preparation of amidoalkyl naphthols via one-pot three-component condensation of aldehydes with amides and 2-naphthol in the presence of polyethylene glycol (PEG)-based dicationic acidic ionic liquid as a powerful catalyst under solvent-free conditions. Excellent yields, short reaction time, simple work-up, and reusable catalyst are advantages of this procedure.

Graphical abstract

http://static-content.springer.com/image/art%3A10.1007%2Fs00706-011-0522-6/MediaObjects/706_2011_522_Figa_HTML.gif

Keywords

Amidoalkyl naphthols PEG-based acidic ionic liquid Solvent-free One-pot Multicomponent reaction