Efficient conversion of carbohydrates into 5-hydroxylmethylfurfan and 5-ethoxymethylfurfural over sufonic acid-functionalized mesoporous carbon catalyst

•Sulfonic acid-functionalized mesoporous carbon (OMC-SO3H) was prepared.•It is an effective acid catalysts for the synthesis of HMF and EMF.•A high HMF yield of 89.4% was obtained from fructose at 120°C within 30min.•The one-pot conversion of fructose based carbohydrates can generate EMF yield aroun...

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