Production of hybrid diesel fuel precursors from carbohydrates and petrochemicals using formic acid as a reactive solvent

Xiaoyuan Zhou, Thomas B. Rauchfuss

Research output: Contribution to journalArticlepeer-review

Abstract

We report the one-pot alkylation of mesitylene with carbohydrate-derived 5-(hydroxymethyl)furfural (HMF) as a step toward diesel-range liquids. Using FeCl3 as a catalyst, HMF is shown to alkylate toluene, xylene, and mesitylene in high yields in CH2Cl2 and MeNO2 solvents. Efforts to extend this reaction to greener or safer solvents showed that most ether-based solvents are unsatisfactory. Acid catalysts (e.g, p-TsOH) also proved to be ineffective. Using formic acid as a reactive solvent, mesitylene could be alkylated to give mesitylmethylfurfural (MMF) starting from fructose with yields up to approximately 70 %. The reaction of fructose with formic acid in the absence of mesitylene gave rise to low yields of the formate ester of HMF, which indicates the stabilizing effect of replacing the hydroxyl substituent with mesityl. The arene also serves as a second phase into which the product is extracted. Even by using formic acid, the mesitylation of less expensive precursors such as glucose and cellulose proceeded only in modest yields (ca. 20 %). These simpler substrates were found to undergo mesitylation by using hydrogen chloride/formic acid via the intermediate chloromethylfurfural.

Original languageEnglish (US)
Pages (from-to)383-388
Number of pages6
JournalChemSusChem
Volume6
Issue number2
DOIs
StatePublished - Feb 2013

Keywords

  • arenes
  • biomass
  • homogeneous catalysis
  • sustainable chemistry
  • synthesis design

ASJC Scopus subject areas

  • General Energy
  • Environmental Chemistry
  • General Materials Science
  • General Chemical Engineering

Fingerprint

Dive into the research topics of 'Production of hybrid diesel fuel precursors from carbohydrates and petrochemicals using formic acid as a reactive solvent'. Together they form a unique fingerprint.

Cite this