Efficient oxidation of biomass derived 5-Hydroxymethylfurfural into 2,5-Diformylfuran catalyzed by NiMn layered double hydroxide

Abstract NiMn layered double hydroxide (Ni3Mn-LDH) has been found to be an efficient catalyst for the oxidation of 5-hydroxymethylfurfural (HMF) to 2,5-diformylfuran (DFF) using molecular oxygen as the sole oxidant. Various reaction conditions on the oxidation have been investigated, and impressive catalytic performance, good stability and recyclability have been observed for Ni3Mn-LDH. Both of Ni2+ and Mn3+ species in the structure were proposed to be the catalytically active site for the aerobic oxidation of HMF, and the two species in the transformation exhibited synergistic effect.