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Selective hydrogenation of biomass-derived 5-hydroxymethylfurfural (HMF) to 2,5-dihydroxymethyl-tetrahydrofuran (DHMTHF) with 96％ selectivity and a complete HMF conversion is obtained over palladium catalyst supported on mesoporous graphitic carbon nitride (Pd/mpg-C3N4) under pressured hydrogen atmosphere in aqueous media.The excellent catalytic performance of Pd/mpg-C3N4 is attributed to hydrogen bonding-related competitive interactions between reactant HMF and “intermediate” 2,5-dihydroxymethylfuran (DHMF) with the support mpg-C3N4,which leads to a deep hydrogenation of DHMF to DHMTHF.