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Biologically active dicycloalkyl di- and trisulfides were prepared by the reactions of cycloalkanes C5—C7 with H2S and S8 under the anodic (cathodic) activation of hydrogen sulfide. In dichloromethane, the electrochemical activation of H2S in the presence of sulfur can generate sulfur-centered radical intermediates that react with cycloalkanes at room temperature. The current yield of di- and trisulfides...
An electrochemical method is presented for the preparation of sulfur nanoparticles (S-NPs) from thiosulfate ion. The particle size of the S-NPs can be adjusted between 35 and 65 nm by varying parameters such as the initial concentration of thiosulfate. The solvent/non-solvent precipitation method was also applied to the preparation of S-NPs for comparison. In this case, the use of hot alcohol and...
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