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Kinetic investigations into the synthesis of disulphides via tetrathiomolybdate as a sulphur-transfer reagent

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Abstract

Kinetic and mechanistic aspects of the conversion of halides to disulphides using benzyl triethyl ammonium tetrathiomolybdate as sulphur-transfer reagent were investigated. The reaction follows a 1:1 stoichiometry with overall second-order kinetics and involves the formation of monosulphides in addition to disulphides. In the light of our observations, we propose a nucleophilic substitution: carbon–metal–carbon (SN-CMC) reaction mechanism. The proposed mechanism, besides accounting for all of our experimental observations, also explains many aspects of such reactions that have been reported earlier by various groups.

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Correspondence to Mohsin Ahmad Bhat.

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Sidiq, N., Bhat, M.A., Khan, K.Z. et al. Kinetic investigations into the synthesis of disulphides via tetrathiomolybdate as a sulphur-transfer reagent. Transition Met Chem 39, 781–787 (2014). https://doi.org/10.1007/s11243-014-9860-7

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Keywords

  • High Occupied Molecular Orbital
  • Disulphide
  • Benzyl Chloride
  • Increase Reaction Time
  • Benzyl Bromide