The reaction of Tc2Cl4(PEt3)(4) with two equivalents of bis(diphenylphosphi
no) methane (dppm) in refluxing benzene results in the formation of Tc2Cl4(
dppm)(2) (1) in 61% yield. The metal-metal multiply bonded complex 1 has be
en structurally and spectroscopically characterized. (C) 1999 Elsevier Scie
nce S.A. All rights reserved.