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719439

Sigma-Aldrich

XtalFluor-E®

Synonym(s):
DAST difluorosulfinium salt, (Diethylamino)difluorosulfonium tetrafluoroborate, N,N-Diethyl-S,S-difluorosulfiliminium tetrafluoroborate, N,N-Diethylamino-S,S-difluorosulfinium tetrafluoroborate, N-(Difluoro-λ4-sulfanylidene)-N-ethyl-ethanaminium tetrafluoroborate
Empirical Formula (Hill Notation):
C4H10BF6NS
CAS Number:
Molecular Weight:
229.00
MDL number:
PubChem Substance ID:
NACRES:
NA.22

form

solid

Quality Level

mp

84-87 °C

storage temp.

−20°C

SMILES string

F[B-](F)(F)F.CC\[N+](CC)=S(\F)F

InChI

1S/C4H10F2NS.BF4/c1-3-7(4-2)8(5)6;2-1(3,4)5/h3-4H2,1-2H3;/q+1;-1

InChI key

YLNKFQWRRIXZPJ-UHFFFAOYSA-N

Application

Convenient crystalline highly chemoselective deoxofluorination reagent with a broad substrate scope

Deoxofluorination reagent with a better safety profile, that doesn′t generate corrosive HF which makes it suitable for use in standard borosilicate vessels, and does not react violently with water

Reactant for:
  • Preparation of fluorodisaccharides
Triisopropylsilanethiol was recently reported by MacMillian and coworkers to be used as an organocatalyst, in tandem with Ir(III) specifically Aldrich product 688096, in photoredox catalysis. This approach directly couples a cyano-containing arene with an allylic sp3 C-H bond.

Packaging

5, 25, 250 g in poly bottle
1 kg in poly bottle

Legal Information

XtalFluor-E is a registered trademark of OmegaChem, Inc.

Pictograms

CorrosionSkull and crossbones

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Dam. 1 - Skin Corr. 1B

Supplementary Hazards

Storage Class Code

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

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Certificate of Origin

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