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00925njm 22002777a 4500 dc Pérez Iglesias, María author Lozano Lavilla, Olmo author Casares González, Juan Ángel author 2019 The copper compound [Cu(C6Cl2F3)(tht)]4 (1) (tht: tetrahydrothiophene) is an excellent catalyst for the trans- to cis- isomerization of complexes [PdAr2(tht)2](Ar: fluoroaryl) and also for the exchange of aryls between those palladium complexes. Herein, we also communicate the synthesis and characterization of 1, and some of its derivatives. The x-ray structure of 1 shows a linear chain of copper atoms, supported by fluoroaryl rings. The NMR 19F-DOSY study indicates that this structure is preserved in solution although in equilibrium with other species. Organometallics, 2019, vol. 38, n. 4. p. 739-742 0276-7333 http://uvadoc.uva.es/handle/10324/37014 10.1021/acs.organomet.8b00885 [Cu(C6Cl2F3)(tht)]4: An Extremely Efficient Catalyst for the Aryl Scrambling between Palladium Complexes