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Open Access Publications from the University of California

Production of renewable lubricants: Via self-condensation of methyl ketones

  • Author(s): Balakrishnan, M
  • Arab, GE
  • Kunbargi, OB
  • Gokhale, AA
  • Grippo, AM
  • Toste, FD
  • Bell, AT
  • et al.

© 2016 The Royal Society of Chemistry. Self-condensation of biomass-derived methyl ketones catalyzed by solid bases or acids produces corresponding cyclic trimers exclusively in excellent yields. Condensates containing 24-45 carbon atoms are shown to be suitable lubricant base-oils after the removal of residual unsaturation and oxygen. Properties of cycloalkanes produced from biomass are very similar to those of conventional lubricant base-oils. The process reported here offers an environmentally benign alternative to the current non-selective production of lubricant base-oils from α-olefins, and avoids the production of corrosive waste products.

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