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19285-38-2

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Basic Information
CAS No.: 19285-38-2
Name: 1-Bromo-2,3,4,6-tetra-acetyl-beta-d-galactoside
Article Data: 114
Molecular Structure:
Molecular Structure of 19285-38-2 (1-Bromo-2,3,4,6-tetra-acetyl-beta-d-galactoside)
Formula: C14H19BrO9
Molecular Weight: 411.203
Synonyms: 2,3,4,6-Tetra-O-acetyl-b-D-galactopyranosyl bromide;2,3,4,6-Tetraacetyl-b-D-galactopyranosyl bromide;1-Bromo-1-deoxy-2,3,4,6-tetra-O-acetyl-b-D-galactopyranose;b-D-Galactopyranosylbromide, tetraacetate (9CI);Galactopyranosylbromide, tetraacetate, b-D- (8CI);
Density: 1.49 g/cm3
Boiling Point: 412.007 °C at 760 mmHg
Flash Point: 202.975 °C
PSA: 114.43000
LogP: 0.46440
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Specification

The CAS registry number of b-D-Galactopyranosyl bromide,2,3,4,6-tetraacetate is 19285-38-2. In addition, the molecular formula is C14H19BrO9 and the molecular weight is 410.2. The systematic name is 2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl bromide. What's more, it should be stored in sealed container, and put in a cool and dry place. 

Physical properties about b-D-Galactopyranosyl bromide,2,3,4,6-tetraacetate are: (1)ACD/LogP: 1.19; (2)ACD/LogD (pH 5.5): 2; (3)ACD/LogD (pH 7.4): 2; (4)ACD/BCF (pH 5.5): 21; (5)ACD/BCF (pH 7.4): 21; (6)ACD/KOC (pH 5.5): 309; (7)ACD/KOC (pH 7.4): 309; (8)#H bond acceptors: 9 ; (9)#Freely Rotating Bonds: 9; (10)Polar Surface Area: 114.43 Å2; (11)Index of Refraction: 1.503; (12)Molar Refractivity: 81.61 cm3; (13)Molar Volume: 275.947 cm3; (14)Polarizability: 32.353 ×10-24cm3; (15)Surface Tension: 47.991 dyne/cm; (16)Density: 1.49 g/cm3; (17)Flash Point: 202.975 °C; (18)Enthalpy of Vaporization: 66.457 kJ/mol; (19)Boiling Point: 412.007 °C at 760 mmHg.

Uses of b-D-Galactopyranosyl bromide,2,3,4,6-tetraacetate: it can react with Na-fluoren-9-ylmethoxycarbonyl-3-O-(2-azido-4,6-O-benzylidene-2-deoxy-a-D-galactopyranosyl)-L-threonine allyl ester to get Na-fluoren-9-ylmethoxycarbonyl-3-O-[2-azido-4,6-O-benzylidene-2-deoxy-3-O-(2,3,4,6-tetra-O-acetyl-b-D-galactopyranosyl)-a-D-galactopyranosyl]-L-threonine allyl ester. This reaction will need reagent silver triflate and solvents toluene and CH2Cl2. The reaction time is 1 hour at reaction temperature of -30 °C. The yield is about 59%.

b-D-Galactopyranosyl bromide,2,3,4,6-tetraacetate can react with Na-fluoren-9-ylmethoxycarbonyl-3-O-(2-azido-4,6-O-benzylidene-2-deoxy-a-D-galactopyranosyl)-L-threonine allyl ester to get Na-fluoren-9-ylmethoxycarbonyl-3-O-[2-azido-4,6-O-benzylidene-2-deoxy-3-O-(2,3,4,6-tetra-O-acetyl-b-D-galactopyranosyl)-a-D-galactopyranosyl]-L-threonine allyl ester

You can still convert the following datas into molecular structure:
(1)SMILES: Br[C@@H]1O[C@@H]([C@H](OC(=O)C)[C@H](OC(=O)C)[C@H]1OC(=O)C)COC(=O)C
(2)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-/m1/s1
(3)InChIKey: CYAYKKUWALRRPA-MBJXGIAVBG