(2R,3S,4R,5R)-2,3,4,5,6-pentahydroxyhexanal → D-(-)-Fructose

HRID 326214Notes

Reaction equation

HRID 326214 reaction equation
[O:1]=[CH:2][C@@H:3]([C@H:5]([C@@H:7]([C@@H:9]([CH2:11][OH:12])[OH:10])[OH:8])[OH:6])[OH:4].O=C[C@@H]([C@H]([C@@H](CO)O)O)O>>[OH:1][CH2:2][C:3]([C@H:5]([C@@H:7]([C@@H:9]([CH2:11][OH:12])[OH:10])[OH:8])[OH:6])=[O:4]

Participants

3

Reactant 2

HCID 107526(2R,3S,4R,5R)-2,3,4,5,6-pentahydroxyhexanalHCID 644160aldehydo-D-Xylose

Product 1

HCID 5984D-(-)-Fructose

Procedure

reacting a feed liquor containing about 20 to 65% (w/w dry substance) glucose with a substantially purified xylose isomerase which is derived from Thermotoga maritima or Thermotoga neapolitana at a temperature of from 50° to 80° C., a pH of from 6 and 8 and a reaction time of from 10 minutes to about 5 hours, to produce a high fructose syrup containing from about 40 to about 50% fructose; and

Workup

  1. customis derived from Thermotoga maritima or Thermotoga neapolitana at a temperature of from 50° to 80° C.

Sources & evidence

ORD record
ord-41fa92d1779e40c1aba7e2c273f5a2c9
Source dataset
uspto-grants-1993_12
Patent number
US05268280

Reaction notes

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