Hydroxymethylfurfural production from cellulosic sugars over supported metal and metal oxide catalysts

5-Hydroxymethylfurfural (HMF) is a value-added renewable chemical compound that can be derived from lignocellulosic biomass and organic waste. It is a platform chemical used as a reaction intermediate for the production of a range of chemicals and fuels. HMF can be synthesized from sugars (e.g., glucose and fructose that can be derived from lignocellulosic biomass) over different catalysts. Among them, a range of heterogeneous catalysts have been actively developed due to their reusability and recyclability with no acidic by-product. This review affords an organized critical overview of recent achievement in supported metal-based heterogeneous catalytic systems for the production of HMF from glucose and fructose. This review also provides the insight of the role of heterogeneous catalysts in reaction mechanisms, which may contribute to developing a new class of heterogeneous catalysts for the production of HMF from cellulose.