2,3,4,6-Tetra-O-acetyl-alpha-D-glucopyranosyl Bromide CAS 572-09-8
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- Appearance: White powder
- Assay: 99. 0%min
- Stock: In stock
- Sample: Available
- Zhishang Chemical: 2,3,4,6-Tetra-O-acetyl-alpha-D-glucopyranosyl Bromide Supplement
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Basic Info of 2,3,4,6-Tetra-O-acetyl-alpha-D-glucopyranosyl Bromide
Basic Info
Chemical Name: | 2,3,4,6-Tetra-O-acetyl-alpha-D-glucopyranosyl Bromide |
Other Name: | 2,3,4,6-Tetra-O-acetyl-α-D-glucopyranosyl bromide; Acetobromo-α-D-glucose acts |
CAS: | 572-09-8 |
EINECS: | 209-339-0 |
Type: | Food additives; Pharmaceutical raw materials |
Molecular Formula: | C14H19BrO9 |
Molecular Weight: | 411.2 |
Chemical Properties
Melting point | 86-89 °C |
alpha | 194.5 º (c=2,chloroform) |
Boiling point | 0.125-30 °C(Press: 0.0005 Torr) |
density | 1.49±0.1 g/cm3(Predicted) |
storage temp. | −20°C |
form | Powder |
color | White to beige |
Water Solubility | decomposes |
Sensitive | Moisture Sensitive |
Stability: | Stable. Combustible. Incompatible with strong oxidizing agents. |
Other Info
Brand Name: | Zhishang Chemical |
Provide: | 2,3,4,6-Tetra-O-acetyl-alpha-D-glucopyranosyl Bromide MSDS; 2,3,4,6-Tetra-O-acetyl-alpha-D-glucopyranosyl Bromide COA |
2,3,4,6-Tetra-O-acetyl-alpha-D-glucopyranosyl Bromide Uses
- Acetyl bromide- α- D-glucose as preparation β- Intermediate of glucoside.
- 2,3,4,6-tetra-o-acetyl-alpha-d-glucopyranosyl bromide was used as a possible poly (ethylene terephthalate) surface modifier to enhance its blood compatibility.
- 2,3,4,6-Tetra-O-acetyl-alpha-D-glucopyranosyl bromide is a very active and important intermediate, from which glycoside derivatives can be easily prepared.
The Purification Method of 2,3,4,6-Tetra-O-acetyl-alpha-D-glucopyranosyl Bromide
If the crystallization is good, recrystallize with et2o/ pentane or petroleum ether (B 40-60o). Alternatively, it is dissolved in diisopropyl ether (dried with CaCl2 for 24 hours and then P2O5 for 24 hours) by shaking and heating (as short as possible) and filtered warm.
Cool to about 45o, then slowly to room temperature, and finally hold at 5O for more than 2 hours. Collect the solid, wash it with cold dry diisopropyl ether, vacuum dry it, and dry it with Ca (OH) 2 and NaOH. Store it in a desiccator and dry it away from light. The solution can be stabilized with 2% CaCO3.
Reference
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