Amino Acid Amide based Ionic Liquid as an Efficient Organo-Catalyst for Solvent-free Knoevenagel Condensation at Room Temperature

  • Pralhad A. Burate
  • Balasaheb R. Javle
  • Pranjal H. Desale
  • Anil K. KinageEmail author


Ionic liquids of amino acid amide were synthesized and used as an efficient catalyst for solvent-free Knoevenagel condensation. Synthesized ionic liquids are an environmentally benign, inexpensive, metal free and plays the dual role of solvent as well as an efficient catalyst for Knoevenagel condensation. A wide range of aliphatic, aromatic and heteroaromatic aldehydes easily undergo condensation with malononitrile and ethyl cyanoacetate. The reaction proceeds at room temperature without using any organic solvent and is very fast with good to excellent yield. Additionally, the catalyst is easily separable and recyclable without loss of activity.

Graphic Abstract


Ionic liquid Amino acid amide Knoevenagel condensation Solvent-free Acrylonitrile Cyanoacrylate 



PAB and BRJ acknowledge to CSIR, New Delhi, for Research Fellowship.

Supplementary material

10562_2019_2840_MOESM1_ESM.docx (10.7 mb)
Supplementary material 1 (DOCX 10915 kb)


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • Pralhad A. Burate
    • 1
    • 2
  • Balasaheb R. Javle
    • 1
    • 2
  • Pranjal H. Desale
    • 1
  • Anil K. Kinage
    • 1
    • 2
    Email author
  1. 1.Chemical Engineering & Process Development Division, CSIR-National Chemical LaboratoryPuneIndia
  2. 2.Academy of Scientific & Innovative Research (AcSIR)New DelhiIndia

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