Carbon Dioxide → beta-Maltose

HRID 1107654Notes

Reaction equation

HRID 1107654 reaction equation
[CH2:1]([OH:23])[C@H:2]1[O:7][C@H:6]([O:8][C@H:9]2[C@H:14]([OH:15])[C@@H:13]([OH:16])[C@H:12]([OH:17])[O:11][C@@H:10]2[CH2:18][OH:19])[C@H:5]([OH:20])[C@@H:4]([OH:21])[C@@H:3]1[OH:22].O.C(O)C.C(=O)=O>O>[CH2:1]([OH:23])[C@H:2]1[O:7][C@H:6]([O:8][C@H:9]2[C@H:14]([OH:15])[C@@H:13]([OH:16])[C@H:12]([OH:17])[O:11][C@@H:10]2[CH2:18][OH:19])[C@H:5]([OH:20])[C@@H:4]([OH:21])[C@@H:3]1[OH:22]

Participants

5

Reactant 3

HCID 280Carbon DioxideHCID 702EthanolHCID 2723821(2R,3S,4S,5R,6R)-2-(hydroxymethyl)-6-[(2R,3S,4R,5R,6R)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxane-3,4,5-triol;hydrate

Product 1

HCID 6255beta-Maltose

Reagents, catalysts & solvents 1

HCID 962WaterSolvent

Conditions

Temperature
70 °C

Procedure

1.01 g of maltose monohydrate (Sigma UK) was dissolved in 5 ml of deionized water and introduced into a 32 ml particle formation vessel through the intermediate nozzle passage, at a flow rate of 0.03 ml/min. The vessel was maintained at 250 bar and 70° C. Absolute ethanol was co-introduced into the vessel through the inner nozzle passage, at a rate of 0.4 ml/min, and supercritical CO2 through the outer passage at a rate of 9 ml/min. A free-flowing white powder was collected.

Workup

  1. additionintroduced into a 32 ml particle formation vessel through the intermediate nozzle passage, at a flow rate of 0.03 ml/min
  2. customA free-flowing white powder was collected

Sources & evidence

ORD record
ord-c8983c12be4c447ca411de8b045f4129
Source dataset
uspto-grants-2000_05
Patent number
US06063138

Reaction notes

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