A mild and rapid method was found for the reductive cleavage of the carbon-sulfur bond in the alkylthiocyanates by samarium/Cp 2 TiCl 2 system to give the corresponding dialkyl disulfides in moderate to good yields.
Reductive Cleavage of the Carbon—Sulfur Bond by Samarium/Cp2TiCl2 System for the Synthesis of Dialkyl Disulfides.
✍ Scribed by Xue-Shun Jia; Yong-Min Zhang
- Publisher
- John Wiley and Sons
- Year
- 2005
- Weight
- 13 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0931-7597
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Treatment of diaryl diselenides and dialkyl diselenides with metallic samarium and mercury (II) chloride in tetrahydrofuran conveniently gave samarium arylselenolates and alkylselenolates. These "living" species reacted with acyl chlorides, acid anhydrides, methyl chloroformate, organic halides, epo