Journal of Organometallic Chemistry p. 325 - 338 (1987)
Update date:2022-07-29
Topics:
Hoberg, H.
Jenni, K.
Raabe, E.
Krueger, C.
Schroth, G.
Mono(1,3-diene)tris(PR3)iron(0) complexes and bis(1,3-diene)mono(PR3)iron(0) complexes can be synthesized by reduction of FeCl2 with magnesacyclopent-3-ene or activated Mg in the presence of 1,3-dienes and the appropriate PR3 (R = Me, Et, Prn, Cy) ligand.How the various substituted bis(1,3-diene)PR3-Fe0 complexes can be obtained from the thermally unstable 1,3-butadiene-tris(PR3)Fe0 complexes by addition of 1,3- or 1,5-dienes is showed.The NMR spectra of these complexes indicate that they are square-pyramidal.This geometry was confirmed by a crystal structure analysis of 1,5-COD-1,3-butadiene-iron(0)-PEt3.The probable mechanism of formation of these novel iron(0) complexes is discussed and their characteristic properties are described.
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(1987)
