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CAS RN: 181934-29-2 | Product Number: T3272

1-[(Trimethylsilyl)ethynyl]-1,2-benziodoxol-3(1H)-one


Purity: >98.0%(T)
Synonyms:
  • TMS-EBX
Product Documents:
1G
€127.00
1   22  
5G
€473.00
1   5  

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*Stock available in Japan will be delivered in 1 to 2 weeks (excludes regulated items and dry ice shipments).


Product Number T3272
Purity / Analysis Method >98.0%(T)
Molecular Formula / Molecular Weight C__1__2H__1__3IO__2Si = 344.22 
Physical State (20 deg.C) Solid
Storage Temperature Refrigerated (0-10°C)
Store Under Inert Gas Store under inert gas
Condition to Avoid Light Sensitive,Air Sensitive,Heat Sensitive
CAS RN 181934-29-2
Reaxys Registry Number 7707098
PubChem Substance ID 354333836
Specifications
Appearance White to Light yellow to Light orange powder to crystal
Purity(Precipitation Titration) min. 98.0 %
Properties (reference)
Melting Point 140 °C(dec.)
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.
P362 + P364 : Take off contaminated clothing and wash it before reuse.
P332 + P313 : If skin irritation occurs: Get medical advice/ attention.
Related Laws:
Transport Information:
HS Number 2934999090
Application
An Ethynylating Agent

Experimental procedure1): A solution of 1 (89 mg, 0.40 mmol, 1.0 eq.) and TMS-EBX (179 mg, 0.520 mmol, 1.3 eq.) in dried THF (6 mL) is stirred at -78 °C for 5 min under nitrogen. After this period of time, TBAF (1 mol/L in THF, 1.3 eq.) is added and mixture is vigorously stirred for 1 h at -78 °C. The reaction mixture is quenched with deactivated silica gel and the solvent is evaporated under reduced pressure. The product is purified by flash chromatography (SiO2, Hexane:EtOAc = 8:1) to afford 2 (92 mg, 0.37 mmol, 93%) as yellow oil.

References


PubMed Literature


Product Documents (Note: Some products will not have analytical charts available.)
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