2,8-Difluoro-5-(trifluoromethyl)-5H-dibenzo[b,d]thiophen-5-ium Trifluoromethanesulfonate

Synonym
Product Category
Product Code
CAS Number
MDL Number
Pubchem CID
Reaxys RN
Umemoto Reagent II
Trifluoromethylating Reagents,Trifluoromethylthiolating Reagents
 KUMI8F02
1961266-44-3
 
 
30188517
image-155171-Trimethyl(trifluoromethyl)silane_reagent.png
Chemical Name
Molecular Formula
Molecular Weight
Assay(Analysis Method)
Appearance
Melting Point
Packaging
Storage
2,8-Difluoro-5-(trifluoromethyl)-5H-dibenzo[b,d]thiophen-5-ium Trifluoromethanesulfonate
C14H6F8O3S2
438.31
≥98.0% (HPLC)
White Powder
204°C
5g,10g,50g,100g,200g,500g and 1kg
Store locked-up, in a cool, well-ventilated place
2,8-Difluoro-5-(trifluoromethyl)-5H-dibenzo[b,d]thiophen-5-ium Trifluoromethanesulfonate(Umemoto reagent  II) is a novel,shelf-stable,powerful toolbox for recyclable electrophilic Trifluoromethylation and Trifluoromethylthiolation with broad scope of nucleophilic substrates.
Powerful, Thermally Stable, One-Pot-Preparable, and Recyclable Electrophilic Trifluoromethylating Agents: 2,8-Difluoro- and 2,3,7,8-Tetrafluoro-S-(trifluoromethyl)dibenzothiophenium Salts. [1]
Reference:
[1] T.Umemoto, et al, J. Org. Chem., 2017, 82(15), pp 7708-7719.
Signal Word
Hazard Statements
Precautionary Statements
HS Code
RIDADR
Legal Information
Warning
H315,H319
P264,P280,P302+P352+P332+P313+P362+P364,P305+P351+P338+P337+P313
2934.99.4400
NONH for all modes of transport

1. Product Specification
2. Safety Data Sheet
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