Issue 4, 1992

Redox and non-redox reactivity of dihydrogen sulfide at a triply bonded dimetal core: hydrido, hydrosulfido and gem-dithiolato complexes of dirhenium

Abstract

While H2S oxidatively adds to the electron-rich Re–Re triple bond of Re2X4(µ-dppm)2(X = Cl or Br; dppm = Ph2PCH2PPh2) to give Re2(µ-H)(µ-SH)X4(µ-dppm)2, non-redox reactions occur upon reaction of H2S with cis-Re2(µ-O2CR)2Cl2(µ-dppm)2(R = Me or Et) in the presence of HBF4·Et2O to give either cis-Re2(µ-SH)2Cl2(µ-dppm)2, when thf (tetrahydrofuran) or CHCl3 is used as the solvent, or the gem-dithiolato complexes cis-Re2(µS2CR′R″)2Cl2(µ-dppm)2 and cis-Re2(µ-S2CHR″)2Cl2(µ-dppm)2 in the presence of ketones (R′R″CO) and aldehydes (R″CHO).

Article information

Article type
Paper

J. Chem. Soc., Chem. Commun., 1992, 375-377

Redox and non-redox reactivity of dihydrogen sulfide at a triply bonded dimetal core: hydrido, hydrosulfido and gem-dithiolato complexes of dirhenium

K. Shih, P. E. Fanwick and R. A. Walton, J. Chem. Soc., Chem. Commun., 1992, 375 DOI: 10.1039/C39920000375

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