Process for manufacturing 5-hydroxymethylfurfural

Details Process for manufacturing 5-hydroxymethylfurfural Process for manufacturing 5-hydroxymethylfurfural

1984-09-14

1986-05-20

Raymond, Richard L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D30746

Patent

active

045902836

ABSTRACT:
The invention relates to a process for manufacturing 5-hydroxymethylfurfural consisting of bringing a hexose into contact with a catalytic support in the form of a solution of said hexose in a strongly polar aprotic solvent, particularly dimethylsulfoxide, the 5-hydroxymethylfurfural formed being extracted by means of a solvent for the latter also brought into contact with the catalytic support. All of the operations are carried out preferably continuously, particularly by the counter-current principle.

REFERENCES:
patent: 4339387 (1982-07-01), Fleche et al.
D. W. Brown, et al., "Dehydration Reactions of Fructose in Non-Aqueous Media", Journal of Chemical Technology and Biotechnology, vol. 32, No. 10, Oct., 1982, Oxford (Great Britain).
Chemical Abstracts, vol. 96, No. 11, Mar. 15, 1982, p. 576, Abstract No. 85408u, Columbus, Ohio (US).
Chemical Abstracts, vol. 96, No. 9, Mar. 1, 1982, p. 594, Abstract No. 68801z, Columbus, Ohio (US).
Chemical Abstracts, vol. 94, No. 19, May 11, 1981, p. 633, Abstract No. 156646s, Columbus, Ohio (US), Y. Nakamura: "Preparation of 5-(Hydroxymethyl)furfural by Selective Dehydration of D-Fructose", & Noguchu Kenkyusho Jijo, 1980, (23), 25-38.

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