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CAS No.: | 572-09-8 |
---|---|
Name: | 2,3,4,6-Tetra-O-acetyl-alpha-D-glucopyranosyl bromide |
Article Data: | 343 |
Molecular Structure: | |
Formula: | C14H19BrO9 |
Molecular Weight: | 411.203 |
Synonyms: | a-D-Glucopyranosyl bromide,2,3,4,6-tetraacetate;Glucopyranosylbromide, tetraacetate, a-D- (8CI);1-Bromo-2,3,4,6-tetra(O-acetyl)-a-D-pyranoglucose;2,3,4,6-Tetra-O-acetyl-1-a-bromo-D-glucopyranose;2,3,4,6-Tetraacetyl-a-D-glucopyranosyl bromide;Acetobromo-D-glucose;Acetobromoglucose;D-Acetobromoglucose;Tetra-O-acetyl-a-D-glucopyranosylbromide;Tetra-O-acetyl-a-D-glucosyl bromide;a-Acetobromoglucose;a-D-Acetobromoglucose; |
EINECS: | 209-339-0 |
Density: | 1.49 g/cm3 |
Melting Point: | 86-89 °C |
Boiling Point: | 412 °C at 760 mmHg |
Flash Point: | 203 °C |
Solubility: | decomposes in water |
Appearance: | white fluffy solid |
Hazard Symbols: | Xi |
Risk Codes: | 36/37/38 |
Safety: | 24/25-36-26 |
PSA: | 114.43000 |
LogP: | 0.46440 |
Conditions | Yield |
---|---|
With hydrogen bromide In dichloromethane Ambient temperature; | 100% |
With hydrogen bromide; acetic acid at 20℃; for 4h; | 100% |
With hydrogen bromide at 20℃; for 1.16667h; | 100% |
D-glucose pentaacetate
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
Conditions | Yield |
---|---|
With hydrogen bromide; acetic acid at 20℃; Product distribution / selectivity; | 100% |
With hydrogen bromide; acetic acid at 20℃; for 2h; | 100% |
With hydrogen bromide; acetic acid In dichloromethane at 20℃; for 3h; | 100% |
Conditions | Yield |
---|---|
With hydrogen bromide; acetic acid | 100% |
Stage #1: α-D-glucopyranose peracetylate With hydrogen bromide; acetic acid Stage #2: at 0 - 20℃; for 2h; | 98% |
With acetic anhydride; phosphorus tribromide In water at 0℃; for 1h; | 95% |
alpha-D-glucopyranose
Acetyl bromide
acetic anhydride
acetic acid
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
Conditions | Yield |
---|---|
With perchloric acid In methanol at 20℃; for 2h; | 99% |
p-methoxyphenyl 2,3,4,6-tetra-O-acetyl-β-D-glucopyranoside
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
Conditions | Yield |
---|---|
With Acetyl bromide; zinc dibromide In dichloromethane at 22℃; for 24h; | 97% |
2,3,4,5-tetra-O-acetyl-D-glucopyranose
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
Conditions | Yield |
---|---|
With hydrogen bromide; acetic acid In dichloromethane at 0℃; for 8h; | 96% |
With pyridine; (PhO)3P*Br2 In dichloromethane for 0.0833333h; | 89% |
With hydrogen bromide; acetic anhydride In dichloromethane at 20℃; for 4h; | 85% |
Conditions | Yield |
---|---|
Stage #1: D-Glucose With Acetyl bromide In methanol Stage #2: acetic anhydride With acetic acid | 95% |
Stage #1: D-Glucose; acetic anhydride With perchloric acid; acetic acid at 20℃; for 0.5h; Stage #2: With Acetyl bromide In methanol for 2h; | 90% |
Stage #1: D-Glucose; acetic anhydride With sodium acetate at 100℃; for 5h; Stage #2: With hydrogen bromide; acetic acid In dichloromethane at 20℃; for 6h; | 90% |
alpha-D-glucopyranose
acetic anhydride
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
Conditions | Yield |
---|---|
Stage #1: alpha-D-glucopyranose; acetic anhydride With perchloric acid at 30 - 40℃; for 1h; Stage #2: With phosphorus; bromine at 20℃; Cooling with ice; Stage #3: With water at 20℃; for 3.16667h; | 90% |
With hydrogen bromide; acetic acid at 20℃; for 11h; | 89% |
With hydrogen bromide; acetic acid at 20℃; for 11h; | 85.88% |
Conditions | Yield |
---|---|
With hydrogen bromide In dichloromethane; acetic acid at 20℃; for 6h; | 86% |
With hydrogen bromide In acetic acid |
4-methoxyphenyl 2,3,6-tri-O-acetyl-4-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-β-D-glucopyranoside
A
2,3,6,2',3',4',6'-hepta-O-acetyl-lactosyl bromide
B
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
C
1-bromo-1-deoxy-2,3,4,6-tetra-O-acetyl-a-D-galactopyranoside
Conditions | Yield |
---|---|
With Acetyl bromide; zinc dibromide In dichloromethane at 22℃; Yields of byproduct given; | A 82% B n/a C n/a |
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Product Name: Acetobromglucose (CAS NO.572-09-8)
Molecular Formula: C14H19BrO9
Molecular Weight: 411.20g/mol
Mol File: 572-09-8.mol
EINECS: 209-339-0
Appearance: White powder
Melting Point: 83-88 ºC
Boiling point: 412 °C at 760 mmHg
Flash Point: 203 °C
Density: 1.49 g/cm3
Water Solubility: Decomposes
Surface Tension: 47.9 dyne/cm
Enthalpy of Vaporization: 66.46 kJ/mol
Vapour Pressure: 5.35E-07 mmHg at 25°C
XLogP3-AA: 1.5
H-Bond Donor: 0
H-Bond Acceptor: 9
Structure Descriptors of Acetobromglucose (CAS NO.572-09-8):
IUPAC Name: [(2R,3R,4S,5R,6R)-4,5-diacetyloxy-2-(acetyloxymethyl)-6-bromooxan-3-yl]acetate
Canonical SMILES: CC(=O)OCC1C(C(C(C(O1)Br)OC(=O)C)OC(=O)C)OC(=O)C
Isomeric SMILES: CC(=O)OC[C@@H]1[C@H]([C@@H]([C@H]([C@H](O1)Br)OC(=O)C)OC(=O)C)OC(=O)C
InChI: InChI=1S/C14H19BrO9/c1-6(16)20-5-10-11(21-7(2)17)12(22-8(3)18)13(14(15)24-10)23-9(4)19/h10-14H,5H2,1-4H3/t10-,11-,12+,13-,14+/m1/s1
InChIKey: CYAYKKUWALRRPA-RGDJUOJXSA-N
Safety Information of Acetobromglucose (CAS NO.572-09-8):
Safety Statements: S24/25
24: Avoid contact with skin
25: Avoid contact with eyes
Acetobromglucose , its CAS NO. is 572-09-8, the synonyms are EINECS 209-339-0 ; 2,3,4,6-Tetra-O-acetyl-alpha-D-glucopyranosyl bromide ; alpha-D-Glucopyranosyl bromide, tetraacetate .