Simple and modestly scalable synthesis of iso -Cyrene from levoglucosenone and its comparison to the bio-derived and polar aprotic solvent Cyrene®

Xin Liu, Brett Pollard, Martin G. Banwell, Li Juan Yu, Michelle L. Coote, Michael G. Gardiner, Barbara M.A. Van Vugt-Lussenburg, Bart Van Der Burg, Fabien L. Grasset, Elisabeth Campillo, James Sherwood, Fergal P. Byrne, Thomas J. Farmer

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

The bio-derived platform molecule levoglucosenone (LGO, 1), which is the precursor to the green solvent Cyrene® (2), has been converted, at multi-gram scale, into its pseudo-enantiomer (iso-LGO, 2) and then reduced to iso-Cyrene (4). A less effective synthesis of this last compound from D-glucose is also described. Various physicochemical as well as certain toxicological properties of compound 4 are reported and compared to those established for the now commercially available Cyrene® (2). Such studies reveal that there are significant enough differences in the properties of the sustainably-derived Cyrene® (2) and isomer 4 (iso-Cyrene) to suggest they will exert complementary effects as solvents in a range of settings.

Original languageEnglish
Pages (from-to)331-344
Number of pages14
JournalAustralian Journal of Chemistry
Volume75
Issue number5
DOIs
Publication statusPublished - 7 Jul 2022
Externally publishedYes

Keywords

  • bio-derived
  • Cyrene
  • green solvent
  • iso -Cyrene
  • iso -levoglucosenone
  • levoglucosenone
  • physiochemical properties
  • toxicity

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