A common heterocyclic compound, the copper-catalyst compound, name is Copper(II) trifluoromethanesulfonate,cas is 34946-82-2, mainly used in chemical industry, its synthesis route is as follows.,34946-82-2
Ligand L2/L2? (15.2 mg, 63 mumol) was dissolved in ethylacetate (5 mL) and a solution of Cu(OTf)2 (11.4 mg, 31.5mumol) in ethyl acetate (3 mL) was added. The blue precipitatewas isolated by filtration with suction and dried at air;yield: 26 mg (98%). Crystals suitable for X-ray diffractionanalysis were obtained when a solution of the precipitatein the necessary amount of ethyl acetate was concentratedby slow evaporation. M.p. 255.5-256.5C. – IR (KBr): IR(KBr): = 3259 s br (NH), 3151 w, 1643 m, 1591 s, 1500 m,1285 vs, 1243 vs, ~1228 sh, 1159 s, 1028 vs, 720 m, 636 s,574 w, 518 m cm-1. – MS ((+)-MALDI-TOF): m/z (%) = 694.15(100) [M-CF3SO3]+, 1539.24 (8) [2 [CuL2L2?(OTf)2]-OTf]. -Anal. for C28H30CuF6N10O6S2 (844.27), water-free sample:calcd. C 39.83, H 3.58, N 16.59; S 7.59; found C 39.62, H 3.41,N 16.64, S 7.61.
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Reference£º
Article; Schroeder, Sven; Frey, Wolfgang; Maas, Gerhard; Zeitschrift fur Naturforschung, B: Chemical Sciences; vol. 71; 6; (2016); p. 683 – 696;,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”