60 ? preparation of boiling point less than 200 ? ultra solvent having ( at standard pressure ) and ( short referred to as low- boiling solvent ) from the sugar solution in the presence of 5-hydroxymethyl furfural (HMF).

摘要

A process for preparing 5-hydroxymethyl furfural and (HMF),.. a) 1 or more of sugar and .. Boiling points above 200 ? organic solvent having ( at standard pressure ) and ( for short referred to as high-boiling solvent) and .. Water .. Solution containing ( hereinafter , referred to as the starting solution ) , as well .. 60 ? Ultra 200 ? less than the boiling point solvent having a ( at standard pressure ) and ( for short referred to as low-boiling solvent) .. Step , to be fed to the reaction vessel .. b) in the presence of water vapor in the reaction vessel is carried out conversion to hexose HMF, steps taken by simultaneously distilling the HMF, and .. step to obtain c) an aqueous solution containing HMF ( hereinafter , referred to as the distillate ) as distillate .. Methods, including . .. [ Selection Figure Figure 1 .