Synthesis and molecular structures of Co-2(CO)(6-n)(PPh3)(n) [mu-C-2(CH2R)(2)] (R = CH2OH or CH2SCMe3) derivatives containing chelated [CpFe(CO)(2)](2)Sn or W(CO)(4) fragments

Reaction of [Co-2(Co)(6)][mu-C-2(CH2OH)(2)] with [CpFe(CO)(2)](2)Sn(OMe)(2) or interaction of [Co-2(CO)(5)(PPh3)][mu-C-2(CH2SCMe3)(2)] with W(CO)(5)(T HF) gives mixed-metal chelate derivatives [Co-2(CO)(6)][mu-C-2(CH2O)(2)]Sn[ CpFe(CO)(2)](2), and [(Ph3P)Co-2(CO)(5)][mu-C-2(CH2SCMe3)(2)][W(CO)(4)]. re spectively, characterized by X-ray diffraction analysis. (C) 2000 Elsevier Science S.A. All rights reserved.