Selective hydrogenation of biomass-derived 5-hydroxymethylfurfural using palladium catalyst supported on mesoporous graphitic carbon nitride

摘要

Selective hydrogenation of biomass-derived 5-hydroxymethylfurfural(HMF) to 2,5-dihydroxymethyltetrahydrofuran(DHMTHF) with 96% selectivity and a complete HMF conversion is obtained over palladium catalyst supported on mesoporous graphitic carbon nitride(Pd/mpg-C_3N_4) under pressured hydrogen atmosphere in aqueous media. The excellent catalytic performance of Pd/mpg-C_3N_4 is attributed to hydrogen bonding-related competitive interactions between reactant HMF and "intermediate" 2,5-dihydroxymethylfuran(DHMF) with the support mpg-C_3N_4, which leads to a deep hydrogenation of DHMF to DHMTHF.