The oxygenation of the electron-rich triple bond in the complexes [Re 2 X 4 (µ-dppm) 2 ][X = Cl or Br; dppm = bis(diphenylphosphino)methane]. Multielectron redox behaviour involving retention of the Re 2 X 4 P 4 unit
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The reactions of the triply bonded complexes [Re2X 4(μ-dppm)2] (X = Cl or Br; dppm = Ph 2PCH2PPh2) with O2 proceed to give the products [Re2(μ-O)(μ-X)(O)X3(μ-dppm) 2] and [Re2(μ-O)(O)2X4(dppm) 2] in high yield in which net four- and six-electron redox reactions have occurred and the integrity of the ligand sets of the precursor complex is preserved.
author list (cited authors)
Bartley, S. L., Dunbar, K. R., Shih, K., Fanwick, P. E., & Walton, R. A.