Method for making hydroxymethylfurfural from aldohexose m

Details Method for making hydroxymethylfurfural from aldohexose m Method for making hydroxymethylfurfural from aldohexose m

C - Chemistry, Metallurgy

07

D

C07D 307/46 (2006.01)

Patent

CA 2207057

A method for making hydroxymethylfurfural from a liquid medium containing at least one aldohexose or a saccharide capable of releasing at least one aldohexose, wherein the liquid is heated to a temperature higher than 100 ~C in the presence of two separate acidic catalysts at once. The first catalyst consists of an aluminosilicate in proton form having an Si/Al ratio lower than 4, while the second is an aluminosilicate in proton form having an Si/Al ratio higher than 5.

A method for making hydroxymethylfurfural from a liquid medium containing at least one aldohexose or a saccharide capable of releasing at least one aldohexose, wherein the liquid is heated to a temperature higher than 100 ~C in the presence of two separate acidic catalysts at once. The first catalyst consists of an aluminosilicate in proton form having an Si/Al ratio lower than 4, while the second is an aluminosilicate in proton form having an Si/Al ratio higher than 5.

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