Base and metal free true recyclable medium for Knoevenagel condensation reaction in SDS-ionic liquid-aqueous miceller composite system

[Display omitted] •Water-SDS-imidazolium ionic liquid composite system.•CC bond forming reaction under benign condition.•Knoevenagel condensation in a chromatography and VOS free procedure.•100% recyclability of catalyst as well as reaction medium. This paper presents for the first time a base and m...

Full description

Saved in:
Bibliographic Details
Published in:Results in Chemistry 2022-01, Vol.4, p.100294, Article 100294
Main Authors: Chakraborty, Sourav, Rudra Paul, Abhijit, Majumdar, Swapan
Format: Article
Language:English
Subjects:
Carbon-carbon bond forming reaction
Ionic liquid
Knoevenagel condensation
Recyclability
Surfactant
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:[Display omitted] •Water-SDS-imidazolium ionic liquid composite system.•CC bond forming reaction under benign condition.•Knoevenagel condensation in a chromatography and VOS free procedure.•100% recyclability of catalyst as well as reaction medium. This paper presents for the first time a base and metal free procedure for Knoevenagel condensation reaction in a neutral medium comprises water-SDS-imidazolium ionic liquid composite system. Knoevenagel condensation products from the different aromatic aldehydes and active methylene compounds such as malononitrile, ethyl cyanoacetate or cyano acetic acid provides good to excellent yields in all cases examined at 80 °C. The developed protocol has several advantages such as chromatography and organic volatile solvent free protocol, short reaction time and recyclability of catalyst including reaction waste. The reaction is believed to proceed in the hydrophobic cavity of the micelle formed in the medium which was proved by dynamic light scattering studies.
ISSN:2211-7156
2211-7156
DOI:10.1016/j.rechem.2022.100294