2,3,4,6-Tetra-O-benzyl-D-glucopyranose Chemical Properties

Melting point:

145-149 °C(lit.)

Boiling point:

672.4±55.0 °C(Predicted)

Density 

1.22±0.1 g/cm3(Predicted)

storage temp. 

Sealed in dry,Store in freezer, under -20°C

solubility 

Soluble in chloroform

pka

11.87±0.70(Predicted)

form 

Solid

color 

White to Off-White

optical activity

[α]20/D +49±2°, c = 2% in dioxane

InChI

InChI=1S/C34H36O6/c35-34-33(39-24-29-19-11-4-12-20-29)32(38-23-28-17-9-3-10-18-28)31(37-22-27-15-7-2-8-16-27)30(40-34)25-36-21-26-13-5-1-6-14-26/h1-20,30-35H,21-25H2/t30-,31-,32+,33-,34?/m1/s1

InChIKey

OGOMAWHSXRDAKZ-BKJHVTENSA-N

SMILES

OC1O[C@H](COCC2=CC=CC=C2)[C@@H](OCC2=CC=CC=C2)[C@H](OCC2=CC=CC=C2)[C@H]1OCC1=CC=CC=C1

CAS DataBase Reference

4132-28-9(CAS DataBase Reference)

Safety Information

Hazard Codes 

Xi

Risk Statements 

36/37/38

Safety Statements 

26-36-24/25

WGK Germany 

3

HS Code 

29400090

2,3,4,6-Tetra-O-benzyl-D-glucopyranose Usage And Synthesis

Description

2,3,4,6-Tetra-O-benzyl-D-glucopyranose is an important D-glucopyranose derivative, which is often used as a pharmaceutical intermediate in the synthesis of derivatives for the treatment of Alzheimer's disease, diabetes, and cancer.

Chemical Properties

White Crystaline Solid

Uses

2,3,4,6-Tetra-O-benzyl-D-glucopyranose (cas# 4132-28-9) is a compound useful in organic synthesis. For example, it enables the preparation of α-glucopyranosyl chloride as well as 1-C-α-D-glucopyranosyl derivatives; it can also be used in the preparation of important D-glucopyranosyl derivatives for glucosylation and other reactions.

Synthesis

Add 19.4g of 2,3,4,6-tetra-O-benzyl-β-D-glucosinolate to 500mL of acetone, and add 18.7g of N-bromosuccinyl in batches with stirring Imine (NBS), after the addition, react at 25°C for 0.5h. Most of the acetone was evaporated under reduced pressure, and a white solid was precipitated, which was diluted by adding 200 mL of 1mol/L hydrochloric acid and allowed to stand at -18°C for 3h. After suction filtration, the filter cake was washed with cold absolute ethanol, and recrystallized with absolute ethanol-cyclohexane to obtain 15.6 g of white flocculent solid 2,3,4,6-Tetra-O-benzyl-D-glucopyranose with a yield of 96.6%.

2,3,4,6-Tetra-O-benzyl-D-glucopyranose(4132-28-9)Related Product Information

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