Iron-cobalt-triple-decker complexes

A. R. Kudinov, A. A. Filchikov, P. V. Petrovskii, and M. I. Rybinskaya, 30-Electron Cationic Iron- and Cobalt-containing Triple-Decker Complexes with a Central Cyclopentadienyl Ligand. The First Synthesis of the Parent Triple-Decker Iron Complex with Cyclopentadienyl Ligands, [( 5-C5H5)Fe(p-jy jy-C5H5)Fe(jy5-C5H5)]PFg, Russ. Chem. Bull. 48, 1352-1355(1999). 

An extended Hiickel MO investigation of 1,4-dihydrodiboranaphthalene double- and triple-decker sandwiches134 (e.g., 109 and 110) supports a description of these as 18 and 30 ve complexes, respectively.1343 l,3-dihydro-l,3-diboranaphthalene complexes of cobalt and iron 111-113 have been synthesized and crystallographically characterized.135 Metal complexes of the 1,4-diboratetralene ligand 114, 115 have also been prepared.136... 

M4452, 930M4459). The iron-centered tetradecker species are more difficult to isolate (93IC2156). In a series of reactions of triple-decker compounds, [(/7 -Cp )Co(Et2C2B2H2BMe)CoH(/7 -C2Et2B3H4)] with sodium hydride, then air, followed by w-butyl lithium, and finally cobalt(II) chloride or platinum(II) bromide, three hexadecker complexes 23 (ML = MiL i = Co(f -Cp ) M = Co, M" = Co, CoH, Pt M" = CoH R = = H R Me R" = R = Et] were synthesized (94JA2687). In a... 

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