Recent Progress on the Production of Liquid Fuel 2,5-Dimethylfuran via Chemoselective Hydrogenolysis Biomass-Derived 5-Hydroxymethylfurfural

5-Hydroxymethylfurfural (HMF) is regarded as an important representative of biomass-derived platform chemicals due to its multiple functional groups, including a hydroxyl group, aldehyde group, and furan ring within its molecular structure. Chemoselective hydrogenolysis of HMF to produce high-value-added liquid fuel 2,5-dimethylfuran (DMF) has emerged as a prominent area of research nowadays. The present review provides a comprehensive overview of the recent advancements in catalyst design for efficient DMF production from HMF, with a primary focus on elucidating the key factors influencing the hydrogenolysis reaction. This encompasses an extensive range of catalyst types and reaction conditions. Furthermore, the reaction mechanisms over the active sites of various catalysts are analyzed in depth. Drawing upon the comprehensive summary of existing research, this review discusses the future research prospects of the catalytic hydrogenolysis of HMF and provides valuable insights for the efficient conversion of biomass resources.