Synthesis and investigation of the properties of aromatic polymers prepared by using samarium diiodide
β Scribed by N. E. Brandukova; Ya. S. Vygodski; S. V. Vinogradova; H. Raubach
- Publisher
- John Wiley and Sons
- Year
- 1991
- Tongue
- English
- Weight
- 446 KB
- Volume
- 42
- Category
- Article
- ISSN
- 0323-7648
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π SIMILAR VOLUMES
Stereoselective b-elimination of 2-chloro-3-hydroxyamides 1 is achieved by using samarium diiodide to yield a,b-unsaturated amides 2, in which the C C bond is di-tri-, or tetrasubstituted. The starting compounds 1 are easily prepared by reaction of the corresponding lithium enolates of a-chloroamide
Elemental sulfur can be reduced to the corresponding thiolate anion species (S β«Χ2β¬ and ) se- ## β«Χ2β¬ S 2 lectively by samarium diiodide in the presence and absence of HMPA, respectively. The subsequent alkylation of the thiolate anion species provides a useful synthetic route to dialkyl sulfides