Vinyl selenide anions. New synthesis of vinyl alkyl selenides
โ Scribed by M. Tiecco; L. Testaferri; M. Tingoli; D. Chianelli; M. Montanucci
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- French
- Weight
- 196 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0040-4039
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โฆ Synopsis
Vinyl selenide anions, generated in DMF at lOO"C, maintain the configuration of the vinyl methyl selenides from which they are produced by demethylation.
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Lanthanum oxide/TMEDA-catalyzed cross-coupling of vinyl halides with thiols/diphenyl diselenide in anhydrous DMSO and KOH is reported. Utilizing this protocol various vinyl sulfides and selenides were synthesized in excellent yields with retention of the stereochemistry. The catalyst was recyclable.