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680-15-9 - Methyl 2,2-difluoro-2-(fluorosulfonyl)acetate, 97% - H52745 - Alfa Aesar

H52745 Methyl 2,2-difluoro-2-(fluorosulfonyl)acetate, 97%

CAS-Nummer
680-15-9
Synonyme

Größe Preis ($) Menge Verfügbarkeit
5g 36,12
25g 174,00
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Methyl 2,2-difluoro-2-(fluorosulfonyl)acetate, 97%

MDL
MFCD00144316

Chemische Eigenschaften

Formel
C3H3F3O4S
Molmasse
192.11
Siedepunkt
117-118°
Flammpunkt
47°(117°F)
Dichte
1.509
Brechungsindex
1.351

Anwendungen

Methyl 2,2-difluoro-2-(fluorosulfonyl)acetate is a useful reagent for the trifluoromethylation of alkyl halides. It is also broadly applicable reagent for perfluoroalkylations for aryl iodides and bromides.

Bemerkungen

Stable under recommended storage conditions. Incompatible with oxidizing agents and bases.

Literaturverweise

Charles S.Thomoson; Henry Martinez; William R.Dolbier Jr. The use of methyl 2,2-difluoro-2-(fluorosulfonyl)acetate as the difluorocarbene source to generate an in situ source of difluoromethylene triphenylphosphonium ylide. Journal of Fluorine Chemistry. 2013, 150, 53-59

 

Steffen Eusterwiemann; Henry Martinez; William R.Dolbier Jr. Methyl 2,2-Difluoro-2-(fluorosulfonyl)acetate, a difluorocarbene reagent with reactivity comparable to that of trimethylsilyl 2,2-difluoro-2-(fluorosulfonyl)acetate (TFDA). J. Org. Chem. 2012, 77, (12),5461-5464

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H314-H318-H226

Causes severe skin burns and eye damage. Causes serious eye damage. Flammable liquid and vapour.

Sicherheitshinweise: P210-P260-P280-P303+P361+P353-P305+P351+P338-P301+P330+P331-P304+P340-P310-P405-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Do not breathe dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Immediately call a POISON CENTER or doctor/physician. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Beilstein
1812896
Gefahrenklasse
8
Verpackungsgruppe
II
Harmonized Tariff Code
2915.90
TSCA
No

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