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Graf, Marion; Böttcher, Hans-Christian; Mayer, Peter; Scheer, Manfred (2017): Synthesis and Molecular Structures of [Rh(eta(5)-C5H5)(coe)(2)] (coe = cis-cyclooctene) and [Rh(eta(5)-C5H5)(cod)] (cod = cis,cis-eta(4)-1,5-cyclooctadiene). In: Zeitschrift für Anorganische und Allgemeine Chemie, Vol. 643, No. 21: pp. 1323-1325
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The synthesis and structural characterization of the new olefinic complex [Rh(eta(5)-C5H5)(coe)(2)] (2) (coe = cis-cyclooctene) is reported. The title compound could easily be prepared in good yield by reaction of [{Rh(mu-Cl)(coe)(2)}(2)] (1) with an appropriate amount of thallium cyclopentadienide in THF at room temperature. Single crystals of 2 were grown from n-hexane and were analyzed by X-ray crystallography. In a similar manner the compound [Rh(eta(5)-C5H5)(cod)] (4) (cod = cis, cis-1.5-cyclooctadiene) was obtained from [{Rh(mu-Cl)(cod)}(2)] and thallium cyclopentadienide in THF at room temperature and was characterized by spectroscopic means as well as by X-ray diffraction.