191665-38-0Relevant academic research and scientific papers
Stepwise substitution reactions of the (η5-C5Me5) Re(CO) 2I2 complex: Aryl-iodo and aryl-methyl derivatives trans-(η5-C5Me5) Re(CO) 2(Ar) X, X = I and Me. X-ray structure of trans-(η5-C5Me5) Re(CO) 2(Ph) I
Klahn, A. Hugo,Toro, Adriana,Arenas, Marcela,Manriquez, Victor,Wittke, Oscar
, p. 39 - 44 (1997)
The diiodo complex cis-(η5-C5Me5)Re(CO)2I2 undergoes monosubstitution in reaction with arylcopper (ArCu) to produce the corresponding aryl-iodo complexes trans-(η5-C5Me5)Re(CO)2(Ar)I, Ar = phenyl and tolyl. These complexes have been fully characterized by using a combination of elemental analyses and IR, 1H and 13C NMR spectroscopy; additionally trans-(η5-C5Me5)Re(CO)2(Ph)I was studied by X-ray crystallography. This complex crystallizes in the monoclinic space group P 21/m with a = 8.091(2), b = 17.471(4), c= 12.995(3) A, β = 93.97(2)°, V= 1832.6(7) A3 and Dcalc = 2.107 gcm-3 for Z = 4. The refined structure gave R = 2.74% and wR = 2.98% for 2858 observed reflections. Further reaction of the aryl-iodo complexes with MeLi yields the corresponding aryl-methyl derivatives trans-(η5-C5Me5)Re(CO)2(Ar)Me. The full spectroscopic characterization of these complexes is also described in this paper.
