Copper(II) trifluoromethanesulfonate, cas is 34946-82-2, it is a common heterocyclic compound, the copper-catalyst compound, its synthesis route is as follows.,34946-82-2
A solution of Cu(OTf)2 (90.0 mg, 0.249 mM, OTf = trifluormethansulfonate) in methanol was added to a solution of HLpz (53.5 mg,0.250 mM) and triethylamine (25.0 mg, 0.250 mM) in methanol, affording a dark green solution. A solution of excess 4,4-bipyridine (4,4-bipy) was layered on the above solution, from which purple crystals of 1 suitable for X-ray analysis were obtained. Yield: 86 mg, 68%. Anal. Calcd for C34H26Cu2F6N10O8S2: C, 40.52; H, 2.60; N, 13.90. Found: C, 40.27;H, 2.53; N, 13.63. FTIR (KBr): 3447, 1647, 1416, 1380, 1291, 1245, 1224, 1158, 1033,816, 772, 638, 518 cm-1. ESI-MS (MeOH): m/z = 276 [Cu(Lpz)]+, 432 [Cu(Lpz)(4,4-bipy)]+, 490 [Cu(Lpz)2 + H]+.
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Reference£º
Article; Houser, Robert P.; Wang, Zhaodong; Powell, Douglas R.; Hubin, Timothy J.; Journal of Coordination Chemistry; vol. 66; 23; (2013); p. 4080 – 4092;,
Copper catalysis in organic synthesis – NCBI
Special Issue “Fundamentals and Applications of Copper-Based Catalysts”