All Photos(2)
Synonym(s):
[Cu(OTf)2(py)4], Cu(pyridine)4(OTf)2, Tetrakis(pyridine)copper(II) bis(trifluoromethanesulfonate)
Empirical Formula (Hill Notation):
C22H20CuF6N4O6S2
CAS Number:
Molecular Weight:
678.08
UNSPSC Code:
12352300
PubChem Substance ID:
NACRES:
NA.22
Recommended Products
Quality Level
Assay
95%
form
crystals
reaction suitability
core: copper
reagent type: catalyst
mp
190-194 °C
storage temp.
−20°C
SMILES string
c1ccncc1.c2ccncc2.c3ccncc3.c4ccncc4.FC(F)(F)S(=O)(=O)O[Cu]OS(=O)(=O)C(F)(F)F
InChI
1S/4C5H5N.2CHF3O3S.Cu/c4*1-2-4-6-5-3-1;2*2-1(3,4)8(5,6)7;/h4*1-5H;2*(H,5,6,7);/q;;;;;;+2/p-2
InChI key
DOUMBTAZXRQKGF-UHFFFAOYSA-L
Related Categories
Application
Tetrakis(pyridine)copper(II) triflate [Cu(OTf)2(py)4] is a general copper-based catalyst. It is commonly used to catalyze copper-mediated radiofluorination of arenes and heteroarene. It is also employed in C(sp3)-H functionalization/cyclisation of 2-amino-N,N-dialkylbenzamides to synthesize 2,3-disubstituted-4(3H)-quinazolinones.
Tetrakis(pyridine)copper(II) triflate can be used to catalyze:
- Intra and intermolecular aziridination of allylic carbamates and styrenes.
- 18F-fluorination of aryl boronic esters to generate fluroarenes applicable as radiotracers.
- Nucleophilic radiobromination of aryl borons with a radiobromide ion applicable in the preparation of radiobrominated pharmaceuticals.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Skin Corr. 1B
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
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A general copper?mediated nucleophilic 18F fluorination of arenes.
Tredwell M, et al.
Angewandte Chemie (Weinheim an der Bergstrasse, Germany), 126(30), 7885-7889 (2014)
Enhanced copper-mediated 18 F-fluorination of aryl boronic esters provides eight radiotracers for PET applications
Preshlock S, et al.
Chemical Communications (Cambridge, England), 52(54), 8361-8364 (2016)
Copper-mediated nucleophilic radiobromination of aryl boron precursors: Convenient preparation of a radiobrominated PARP-1 inhibitor
Zhou D, et al.
Tetrahedron Letters, 59(20), 1963-1967 (2018)
Synthesis of Cu-catalysed quinazolinones using a C sp3?H functionalisation/cyclisation strategy.
Gholap A V, et al.
Organic & Biomolecular Chemistry, 15(34), 7140-7146 (2017)
Pyrazine and pyridine complexes of copper (II) trifluoromethanesulfonate. Crystal structure of tetrakis (pyridine) bis (trifluoromethanesulfonato-O) copper (II) and magnetic exchange in (pyrazine) bis (trifluoromethanesulfonato-O) copper (II).
Haynes J S, et al.
Inorganic Chemistry, 27(7), 1237-1241 (1988)
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