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419087

Sigma-Aldrich

Bariumtrifluormethansulfonat

98%

Synonym(e):

Barium-triflat, Trifluormethansulfonsäure Bariumsalz

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About This Item

Lineare Formel:
(CF3SO3)2Ba
CAS-Nummer:
2794-60-7
Molekulargewicht:
435.47
Beilstein:
3729346
EG-Nummer:
220-526-6
MDL-Nummer:
MFCD00143644
UNSPSC-Code:
12352302
PubChem Substanz-ID:
24866091
NACRES:
NA.22

Assay

98%

mp (Schmelzpunkt)

>300 °C (lit.)

SMILES String

[Ba++].[O-]S(=O)(=O)C(F)(F)F.[O-]S(=O)(=O)C(F)(F)F

InChI

1S/2CHF3O3S.Ba/c2*2-1(3,4)8(5,6)7;/h2*(H,5,6,7);/q;;+2/p-2

InChIKey

DXJURUJRANOYMX-UHFFFAOYSA-L

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Anwendung

Ba(CF3SO3) can be utilized as a precursor to synthesize:
  • Alkali metal and silver trifluoromethanesulfonates.
  • Sodium trifluoromethanesulfonate (sodium triflate) by reacting with sodium sulfate. Sodium triflate finds application in organic synthesis as an efficient catalyst as well as a reactant in catalytic asymmetric Mannich-type reactions, and Diels-Alder reactions.

Piktogramme

Exclamation mark
GHS07

Signalwort

Warning

H-Sätze

H302 + H332

Gefahreneinstufungen

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 1

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Hier finden Sie alle aktuellen Versionen:

Analysenzertifikate (COA)

Lot/Batch Number
MKBB1361V
MKBB1361
12028KI
03411AG

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Sodium 1, 1, 1-Trifluoromethanesulfonate
Surya Prakash GK and Mathew T
Encyclopedia of Reagents for Organic Synthesis, Second Edition (2001)
Daniel Lundberg et al.
Physical chemistry chemical physics : PCCP, 20(21), 14525-14536 (2018-05-17)
The structures of the N,N-dimethylformamide (dmf), N,N-dimethylacetamide (dma), and N,N-dimethylpropionamide (dmp) solvated strontium and barium ions have been determined in solution using large angle X-ray scattering and EXAFS spectroscopy. The strontium ion has a mean coordination number (CN) between 6.2
Yan-ping Zhu et al.
Organic letters, 14(20), 5378-5381 (2012-10-13)
An I(2)-CF(3)SO(3)H synergistic promoted sp(3) C-H bond diarylation protocol was developed for the synthesis of 2,2-bis(4-(dimethylamino)phenyl)-1-aryl ethanones. The reaction performed well in the absence of any metal and ligand. It integrated three reactions with different mechanisms (iodination, Kornblum oxidation, and
Luka S Kovacevic et al.
Angewandte Chemie (International ed. in English), 51(34), 8516-8519 (2012-07-19)
Superelectrophiles: Formamides were designed that when treated with triflic anhydride would be transformed into superelectrophilic amidine dications. These dications were so electrophilic that they underwent in situ dealkylation by the triflate anion (see scheme; Tf = trifluoromethanesulfonyl). DFT calculations were
Yusuke Imazaki et al.
Journal of the American Chemical Society, 134(36), 14760-14763 (2012-08-25)
Aryl triflates were transformed to aryl bromides/iodides simply by treating them with LiBr/NaI and [Cp*Ru(MeCN)(3)]OTf. The ruthenium complex also catalyzed the transformation of alkenyl sulfonates and phosphates to alkenyl halides under mild conditions. Aryl and alkenyl triflates undergo oxidative addition
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