2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide
- CAS: 3068-32-4
- Purity: 99%
- Factory supply 2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide 3068-32-4 with sufficient production capacity
Quality products?make an important contribution to long-term revenue and profitability. Factory supply 2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide 3068-32-4 with sufficient production capacity
1.What is the 2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide ?
Temperature and moisture sensitive; Store in freezer; Stabilized with 2% CaCO3
-
-
160227-12-3
4-methoxyphenyl 2,3,6-tri-O-acetyl-4-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-β-D-glucopyranoside
-
-
4753-07-5
2,3,6,2',3',4',6'-hepta-O-acetyl-lactosyl bromide
-
-
572-09-8
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
-
-
3068-32-4
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;
|
82%
|
-
-
4163-60-4
β-D-galactose peracetate
-
-
3068-32-4
1-bromo-1-deoxy-2,3,4,6-tetra-O-acetyl-a-D-galactopyranoside
| Conditions | Yield |
|---|---|
|
With
hydrogen bromide; acetic acid;
at 0 - 20 ℃;
|
100%
|
|
With
hydrogen bromide;
In
dichloromethane;
|
100%
|
|
With
bismuth(III) bromide; triethyl-bromo-silane;
In
dichloromethane;
at 20 ℃;
for 3h;
|
100%
|
|
With
hydrogen bromide; acetic acid;
In
dichloromethane;
at 0 - 20 ℃;
for 3h;
|
100%
|
|
With
trimethylsilyl bromide; bismuth(III) bromide;
In
dichloromethane;
at 20 ℃;
Inert atmosphere;
|
100%
|
|
With
hydrogen bromide; acetic acid;
In
dichloromethane;
at 0 - 25 ℃;
|
99%
|
|
With
hydrogen bromide; acetic anhydride; acetic acid;
In
dichloromethane;
at 0 - 20 ℃;
for 24h;
|
98%
|
|
With
hydrogen bromide; acetic acid;
In
dichloromethane;
at 20 ℃;
for 3h;
|
97%
|
|
With
hydrogen bromide; acetic acid;
In
dichloromethane;
at 0 - 20 ℃;
for 4h;
|
96%
|
|
With
hydrogen bromide;
In
dichloromethane; acetic acid;
for 3.5h;
Cooling with ice;
|
96%
|
|
With
acetic anhydride; phosphorus tribromide;
In
water;
at 0 ℃;
for 1h;
|
95%
|
|
With
triethylsilane; bromine;
In
dichloromethane;
at 0 ℃;
for 2h;
Reagent/catalyst;
|
95%
|
|
With
hydrogen bromide;
In
acetic anhydride; acetic acid;
at 20 ℃;
for 2h;
|
93%
|
|
With
hydrogen bromide;
In
dichloromethane; acetic acid;
at 0 - 20 ℃;
Inert atmosphere;
|
93%
|
|
With
hydrogen bromide;
In
acetic acid;
for 3h;
Cooling with ice;
|
92%
|
|
With
hydrogen bromide; acetic acid;
In
water;
for 6h;
|
91%
|
|
With
bromine;
In
ethyl acetate;
at 30 ℃;
for 19h;
Irradiation;
Green chemistry;
|
91%
|
|
With
water; phosphorus tribromide;
In
chloroform;
at 20 ℃;
for 2h;
|
90%
|
|
With
hydrogen bromide; acetic acid;
for 2h;
|
90%
|
|
With
hydrogen bromide; acetic acid;
In
dichloromethane;
at 20 ℃;
for 3h;
Inert atmosphere;
|
90%
|
|
With
hydrogen bromide; acetic acid;
at 20 ℃;
for 1h;
|
90%
|
|
With
hydrogen bromide; acetic acid;
at 0 - 20 ℃;
for 1h;
|
90%
|
|
With
hydrogen bromide; acetic acid;
In
dichloromethane;
at 20 ℃;
for 2h;
|
89%
|
|
With
Acetyl bromide; acetic acid;
In
methanol;
at 0 - 20 ℃;
for 1h;
|
86%
|
|
With
hydrogen bromide;
In
dichloromethane; acetic acid;
at 0 ℃;
for 1h;
|
85%
|
|
With
hydrogen bromide;
In
acetic acid;
at 20 ℃;
for 2h;
Inert atmosphere;
|
83%
|
|
With
hydrogen bromide; acetic acid;
In
dichloromethane;
at 20 ℃;
for 3h;
|
74%
|
|
With
hydrogen bromide; acetic anhydride; acetic acid;
at 0 - 20 ℃;
for 2.5h;
|
73%
|
|
With
hydrogen bromide; acetic acid;
In
dichloromethane;
at 20 ℃;
for 2h;
|
71%
|
|
With
hydrogen bromide; acetic acid;
In
dichloromethane;
at 20 ℃;
|
70%
|
|
With
hydrogen bromide; acetic acid;
at 20 ℃;
|
68%
|
|
With
Acetyl bromide; acetic acid;
In
methanol;
at 20 ℃;
for 10h;
Darkness;
Inert atmosphere;
|
63%
|
|
With
hydrogen bromide; acetic acid;
In
dichloromethane;
Darkness;
|
25%
|
|
With
hydrogen bromide; acetic acid;
|
|
|
|
|
|
With
hydrogen bromide;
In
acetic anhydride; acetic acid;
Yield given;
1.) 0 deg C, 30 min, 2.) r.t., 2 h;
|
|
|
With
hydrogen bromide; acetic anhydride;
In
acetic acid;
for 20h;
Ambient temperature;
|
|
|
With
hydrogen bromide;
In
acetic acid;
|
|
|
With
hydrogen bromide;
In
acetic acid;
at 0 - 5 ℃;
for 2h;
|
|
|
With
hydrogen bromide;
|
|
|
With
hydrogen bromide; acetic acid;
In
dichloromethane;
|
|
|
With
hydrogen bromide;
In
acetic acid;
at 0 ℃;
for 4h;
|
21.6 g
|
|
With
hydrogen bromide; acetic acid;
at 20 ℃;
|
|
|
Multi-step reaction
with
2
steps
1: 81 percent / BF3
*Et2
O / CH2
Cl2
/ 7 h / 0 °C
2: 98 percent / AcBr, ZnBr2
/ CH2
Cl2
/ 24 h / 22 °C
With
Acetyl bromide; boron trifluoride diethyl etherate; zinc dibromide;
In
dichloromethane;
|
|
|
With
hydrogen bromide; acetic acid;
In
dichloromethane;
at 0 ℃;
for 2h;
|
|
|
With
hydrogen bromide; acetic acid;
Inert atmosphere;
|
|
|
With
hydrogen bromide; acetic acid;
at 20 ℃;
Inert atmosphere;
|
|
|
With
bromine; acetic acid;
at 20 ℃;
Cooling with ice;
|
|
|
With
methanol; Acetyl bromide;
In
dichloromethane;
at 0 ℃;
Inert atmosphere;
|
|
|
With
hydrogen bromide; acetic acid;
In
water;
at 20 ℃;
for 2.25h;
Cooling with ice;
Inert atmosphere;
|
|
|
With
hydrogen bromide; acetic acid;
In
dichloromethane;
at 0 - 20 ℃;
for 14h;
|
|
|
With
hydrogen bromide; acetic acid;
In
dichloromethane;
at 0 - 20 ℃;
|
|
|
With
phosphorus; bromine; acetic acid;
at 20 ℃;
|
|
|
With
hydrogen bromide; acetic acid;
In
dichloromethane;
at 0 ℃;
for 3h;
|
|
|
With
hydrogen bromide; acetic anhydride; acetic acid;
at 20 ℃;
for 2h;
Inert atmosphere;
|
|
|
With
hydrogen bromide; acetic acid;
In
water;
at 0 ℃;
for 2h;
|
|
|
With
hydrogen bromide; acetic acid;
at 0 ℃;
for 2h;
Inert atmosphere;
|
|
|
With
hydrogen bromide; acetic acid;
|
|
|
With
hydrogen bromide; acetic acid;
|
|
|
With
hydrogen bromide;
In
dichloromethane; acetic acid;
at 0 - 20 ℃;
for 3h;
|
|
|
With
hydrogen bromide;
In
acetic acid;
for 3h;
|
|
|
With
hydrogen bromide;
In
dichloromethane; acetic acid;
at 0 - 20 ℃;
|
|
|
With
hydrogen bromide; acetic anhydride; acetic acid;
In
dichloromethane;
at 0 ℃;
|
|
|
With
hydrogen bromide; acetic acid;
In
dichloromethane;
at 0 - 20 ℃;
for 6h;
Inert atmosphere;
|
|
|
With
hydrogen bromide; acetic acid;
at 0 - 20 ℃;
for 0.75h;
Inert atmosphere;
|
|
|
With
hydrogen bromide; acetic acid;
In
dichloromethane;
for 2h;
Time;
Cooling with ice;
|
|
|
With
hydrogen bromide;
In
acetic acid;
at 0 ℃;
|
3.03 g
|
|
With
hydrogen bromide; acetic acid;
In
dichloromethane;
at 20 ℃;
for 2h;
Inert atmosphere;
|
|
|
With
hydrogen bromide; acetic acid;
In
dichloromethane;
|
|
|
With
hydrogen bromide; acetic acid;
In
dichloromethane;
|
|
|
With
hydrogen bromide; acetic acid;
at 20 ℃;
for 1h;
|
|
|
With
hydrogen bromide; acetic acid;
In
dichloromethane;
at 0 ℃;
for 3h;
|
|
|
With
hydrogen bromide; acetic acid;
In
dichloromethane;
at 0 - 20 ℃;
for 2h;
|
|
|
With
hydrogen bromide;
In
dichloromethane; acetic acid;
for 1.5h;
Inert atmosphere;
|
|
|
With
hydrogen bromide; acetic acid;
In
dichloromethane;
at 0 - 20 ℃;
|
|
|
With
hydrogen bromide; acetic acid;
In
dichloromethane;
at 0 ℃;
for 1h;
|
|
|
With
hydrogen bromide; acetic acid;
In
dichloromethane;
for 2h;
|
|
|
With
hydrogen bromide; acetic acid;
In
dichloromethane;
at 0 - 20 ℃;
for 4h;
|
2.What is the CAS number for 2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide ?
The CAS number of 2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide is 3068-32-4.
More information of 2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide 3068-32-4 are:
|
CAS?Number |
3068-32-4 |
|
Density |
1.49 g/cm3 |
|
Melting Point |
83-85 °C |
|
Boiling Point |
412 °C at 760 mmHg |
|
Flash Point |
203 °C |
|
Vapor Pressure |
5.35E-07mmHg at 25°C |
|
Refractive Index |
1.4490 (estimate) |
|
HS CODE |
29329990 |
|
PSA |
114.43000 |
|
LogP |
0.46440 |
3.What are another words for 2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide ?
Synonyms?for?2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide 3068-32-4:Galactopyranosylbromide, tetraacetate, a-D- (6CI,7CI,8CI);a-D-Galactopyranosyl bromide, tetraacetate (9CI);1-a-Bromo-2,3,4,6-tetraacetyl-D-galactopyranose;2,3,4,6-Tetra-O-acetyl-a-D-galactopyranosyl bromide;2,3,4,6-Tetra-O-acetyl-a-D-galactosyl bromide;2,3,4,6-Tetraacetyl-a-D-galactopyranosyl bromide;2,3,4,6-Tetraacetyl-a-D-galactosyl bromide;Acetobromo-a-D-galactose;Acetylbromogalactose;Tetra-O-acetyl-a-D-galactopyranosyl bromide;a-Acetobromogalactose;a-Bromotetraacetylgalactose;a-D-Acetobromogalactose;2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide;
4.What is the molecular formula of 2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide?
The chemical formula of ?2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide is?C14H19BrO9 which containing 14 Carbon atoms,19 Hydrogen atoms,1 Bromine atoms and 9 Oxygen atoms,and the molecular weight of??2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide?is 411.203.
5.What is 2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide (3068-32-4) used for?
2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide is a white crystalline solid that is temperature and moisture sensitive. It is a derivative of alpha-D-galactopyranosyl, a monosaccharide, with four acetyl groups attached to the 2, 3, 4, and 6 positions. 2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide is commonly used in various applications due to its unique chemical properties.
InChI:InChI=1/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+/m0/s1
Relevant articles related to 2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide:
|
Article |
Source |
|
Synthesis of P1-(11-phenoxyundecyl)-P2-(2-acetamido-2-deoxy-3-O-α-D-rhamnopyranosyl-α-D-glucopyranosyl) diphosphate and P1-(11-phenoxyundecyl)-P2-(2-acetamido-2-deoxy-3-O-β-D-galactopyranosyl-α-D-galactopyranosyl) diphosphate for the investigation of biosynthesis of O-antigenic polysaccharides in Pseudomonas aeruginosa and Escherichia coli O104 |
Torgov, Vladimir,Danilov, Leonid,Utkina, Natalia,Veselovsky, Vladimir,Brockhausen, Inka , p. 19 - 25 (2017) |
|
In Situ Preparation of β-D-1-O-Hydroxylamino Carbohydrate Polymers Mediated by Galactose Oxidase |
Andreana, Peter R.,Xie, Wenhua,Cheng, Huai N.,Qiao, Lei,Murphy, Dennis J.,Gu, Qu-Ming,Wang, Peng G. , p. 1863 - 1866 (2002) |
6.Buy 2,3,4,6-Tetra-O-acetyl-alpha-D-galactopyranosyl bromide with the best price .
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