Interaction study of binary solvent systems ionic liquid and deep eutectic solvent with rotenone

Zetty Shafiqa Othman, Mamoru Koketsu, Nurul Huda Abd Karim, Saiful Irwan Zubairi, Nur Hasyareeda Hassan

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

[BMIM]OTf and alcohol-based DES combination with a selected organic solvent (acetone and acetonitrile) have been proven to efficiently extracting rotenone (isoflavonoid biopesticide) compound compared to individual organic solvents. Their efficiency builds up interest to study the solvent-solute interaction that occurs between both selected solvent systems with rotenone. The interaction study was analyzed using FTIR, 1D-NMR and 2D-NMR (NOESY, HMBC). Correlation portrayed by NOESY and HMBC of [BMIM]OTf - standard rotenone mixture predicted probable hydrogen bonding between the oxygen of rotenone with acidic proton C2-H of [BMIM]OTf. While for the alcohol-based DES-rotenone mixture, the correlation shows probable interaction to occur between methyl and methoxy group rotenone with the hydroxyl group of 1,4-butanediol. In conclusion, potential hydrogen bonding that occurs between solvent and solute aid towards the solvent efficiency in extracting rotenone compound while emphasizing on the low cost and green mediated solvent systems.

Original languageEnglish
Pages (from-to)1473-1482
Number of pages10
JournalSains Malaysiana
Volume47
Issue number7
DOIs
Publication statusPublished - 1 Jul 2018

Fingerprint

Rotenone
Ionic Liquids
Eutectics
Organic solvents
Hydrogen bonds
Alcohols
Nuclear magnetic resonance
Biological Control Agents
Acetone
Hydroxyl Radical
Protons
Oxygen

Keywords

  • Biopesticide
  • Deep eutectic solvent
  • Extraction
  • Ionic liquid
  • Solvent-solute interaction

ASJC Scopus subject areas

  • General

Cite this

Interaction study of binary solvent systems ionic liquid and deep eutectic solvent with rotenone. / Othman, Zetty Shafiqa; Koketsu, Mamoru; Abd Karim, Nurul Huda; Zubairi, Saiful Irwan; Hassan, Nur Hasyareeda.

In: Sains Malaysiana, Vol. 47, No. 7, 01.07.2018, p. 1473-1482.

Research output: Contribution to journalArticle

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