PHENYL 2,3,4,6-TETRA-O-ACETYL-1-THIO-BETA-D-GLUCOPYRANOSIDE Chemical Properties

Melting point:

116-119 °C(lit.)

Boiling point:

514.6±50.0 °C(Predicted)

Density 

1.31±0.1 g/cm3(Predicted)

storage temp. 

Inert atmosphere,Store in freezer, under -20°C

solubility 

slightly sol. in Chloroform

form 

Powder

color 

White to Off-white

optical activity

[α]20/D 14°, c = 2 in chloroform

InChIKey

JCKOUAWEMPKIAT-WTJXOVOXSA-N

CAS DataBase Reference

23661-28-1

Safety Information

Safety Statements 

24/25

WGK Germany 

3

HS Code 

29329990

MSDS

• Language:English Provider:SigmaAldrich

PHENYL 2,3,4,6-TETRA-O-ACETYL-1-THIO-BETA-D-GLUCOPYRANOSIDE Usage And Synthesis

Chemical Properties

White to off-white powder

Uses

Phenyl 2,3,4,6-tetra-O-acetyl-β-D-thioglucopyranoside, 98% (PTATG, 98%) can be used in glycobiology research.

Synthesis

General procedure: 1,4-Diazabicyclo[2.2.2]octane (DABCO, 1.0 mole equivalent) was added to a suspension of (2R,3S,4S,5R,6S)-2-(hydroxymethyl)-6-(phenylthio)tetrahydro-2H-pyran-3,4,5-triol (10.0 g, 51.5 mmol) in acetic anhydride (1.2 mole equivalents/hydroxy group) The mixture was stirred at room temperature. The progress of the reaction was monitored by thin layer chromatography (TLC) and the eluent was ethyl acetate:hexane (2:3). Upon completion of the reaction, the mixture was poured into crushed ice and stirred for a few minutes to induce precipitation of (2R,3R,4S,5R,6R)-2-(acetyloxymethyl)-6-(phenylthio)tetrahydro-2H-pyran-3,4,5-triyltriacetate, while the DABCO was dissolved in water (as confirmed by TLC and iodine vapor color development). The product was separated by diafiltration and subsequently washed with ice water and dried. The resulting product was pure enough to be used directly in the subsequent reaction in a yield of 18.3 g in 98% yield. Analytically pure samples can be obtained by recrystallization from 95% ethanol. It should be noted that the temperature of the reaction mixture increases during the addition of DABCO and stirring. In experiments on the scale of 10-20 g, this phenomenon favors a significant increase in the reaction rate. However, for larger scale reactions (50-100g and above), it is recommended to add DABCO in batches to avoid overheating the reaction mixture.

References

[1] Tetrahedron Letters, 2011, vol. 52, # 44, p. 5841 - 5846
[2] Carbohydrate Research, 2013, vol. 365, p. 14 - 19
[3] RSC Advances, 2015, vol. 5, # 15, p. 11687 - 11696
[4] Journal of the American Chemical Society, 1929, vol. 51, p. 3619,3623

PHENYL 2,3,4,6-TETRA-O-ACETYL-1-THIO-BETA-D-GLUCOPYRANOSIDE(23661-28-1)Related Product Information

• PHENYL 1-THIO-BETA-D-GALACTOPYRANOSIDE
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• METHYL 2,3,4,6-TETRA-O-ACETYL-BETA-D-THIOGLUCOPYRANOSIDE