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CAS RN: 851030-18-7 | Product Number: B4587

2,4-Bis(benzyloxy)-6-chloro-1,3,5-triazine


Purity: >95.0%(T)(HPLC)
Synonyms:
  • DBT-Cl
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200MG
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Product Number B4587
Purity / Analysis Method >95.0%(T)(HPLC)
Molecular Formula / Molecular Weight C__1__7H__1__4ClN__3O__2 = 327.77  
Physical State (20 deg.C) Solid
CAS RN 851030-18-7
Reaxys Registry Number 15462339
PubChem Substance ID 354333516
Specifications
Appearance White to Almost white powder to crystal
Purity(HPLC) min. 95.0 area%
Purity(Argentometric Titration) min. 95.0 %
Melting point 64.0 to 68.0 °C
Properties (reference)
Melting Point 66 °C
GHS
Pictogram Pictogram
Signal Word Warning
Hazard Statements H315 : Causes skin irritation.
H319 : Causes serious eye irritation.
Precautionary Statements P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ eye protection/ face protection.
P302 + P352 : IF ON SKIN: Wash with plenty of water.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P362 + P364 : Take off contaminated clothing and wash it before reuse.
P332 + P313 : If skin irritation occurs: Get medical advice/ attention.
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Application
A Triazine Derivative Usable for the Glycosylation Reaction of Unprotected Sugars

B4587

Experimental procedure1): 2,4-bis(benzyloxy)-6-chloro-1,3,5-triazine (1, 12.3 g, 37.5 mmol) is added to a solution of D-glucose (4.5 g, 25 mmol), N-methylmorpholine (4.1 mL, 38 mmol) and ammonia (3.3 mL, 50 mmol, 29% aqueous solution) in the mixture of acetonitrile and water (125 mL, CH3CN:H2O = 1:1) and the resulting mixture is stirred for 3 h at 0 °C. After concentration in vacuo, the residue is washed with water and chloroform. The filtrate is concentrated in vacuo to give β-glucoside (9.42 g, 20.0 mmol, 80 % yield).
  Excess amount of alcohol is added to the mixture of β-glucoside (0.2 mmol) and Pd/C (5 mg). Under hydrogen atmosphere, the resulting mixture is stirred at room temperature. The reaction mixture is filtered, and the filtrate is concentrated in vacuo to afford the alkoxy group substituted glucosides.

References


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