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283673

Sigma-Aldrich

Copper(II) trifluoromethanesulfonate

98%

Synonym(s):

Cu(OTf)2, Copper(II) triflate, Cupric trifluoromethanesulfonate, Trifluoromethanesulfonic acid copper(II) salt

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About This Item

Linear Formula:
(CF3SO3)2Cu
CAS Number:
34946-82-2
Molecular Weight:
361.68
Beilstein:
4028198
EC Number:
252-300-8
MDL number:
MFCD00077492
UNSPSC Code:
12161600
PubChem Substance ID:
24857124
NACRES:
NA.22

Assay

98%

reaction suitability

core: copper
reagent type: catalyst

mp

≥300 °C

SMILES string

FC(F)(F)S(=O)(=O)O[Cu]OS(=O)(=O)C(F)(F)F

InChI

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

InChI key

SBTSVTLGWRLWOD-UHFFFAOYSA-L

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Application

Catalyst for:
  • Mannich condensation
  • Annulative amination
  • Friedel-Crafts reaction
  • Henry reaction
  • Hypervalent iodine reagent-mediated preparation of carbazoles
  • Intramolecular oxidative C-N bond formation for the synthesis of carbazoles
Catalyzes the efficient addition of trimethylsilyl cyanide to carbonyl compounds.

related product

Product No.
Description
Pricing

909424

Cu(OTs)2, ≥95%

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Biswarup Chakraborty et al.
Chemistry, an Asian journal, 15(6), 852-859 (2020-02-06)
In the urge of designing noble metal-free and sustainable electrocatalysts for oxygen evolution reaction (OER), herein, a mineral Digenite Cu9 S5 has been prepared from a molecular copper(I) precursor, [{(PyHS)2 CuI (PyHS)}2 ](OTf)2 (1), and utilized as an anode material
Dario Formenti et al.
Chemical reviews, 119(4), 2611-2680 (2018-12-06)
The reduction of nitro compounds to the corresponding amines is one of the most utilized catalytic processes in the fine and bulk chemical industry. The latest development of catalysts with cheap metals like Fe, Co, Ni, and Cu has led
Saravanan, P. et al.
Tetrahedron Letters, 39, 3823-3823 (1998)
Ahmed M Senan et al.
Journal of agricultural and food chemistry, 65(32), 6912-6918 (2017-07-19)
Utilization of renewable biomass to partly replace the fossil resources in industrial applications has attracted attention due to the limited fossil feedstock with the increased environmental concerns. This work introduced a modified Wacker-type oxidation for transformation of unsaturated fatty acids/esters
Juan Ramírez et al.
Inorganic chemistry, 48(6), 2456-2463 (2009-03-10)
A novel class of ditopic ligands, 1, was synthesized by the reaction of 2,5-pyrazine-dicarboxaldehyde with 2 equiv of acyl-/aroyl-hydrazine. Their structures were confirmed by 1D and 2D NMR and by X-ray crystallography. They gave heteroleptic Cu(II) dinuclear rack-like complexes of
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