Metal-Free Synthesis of Imido Derivatives by Direct Oxidation of α-Amido Sulfones
✍ Scribed by Fabio Martinelli; Alessandro Palmieri; Marino Petrini
- Publisher
- John Wiley and Sons
- Year
- 2010
- Tongue
- English
- Weight
- 147 KB
- Volume
- 2010
- Category
- Article
- ISSN
- 1434-193X
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## Abstract (2E)‐α‐Amido‐α,β‐unsaturated sulfones, which are easily prepared by the condensation of α‐amido‐sulfones with aldehydes, can be desulfonylated by sodium hydrogen telluride to give (2Z)‐cinnamanilides with excellent stereoselectivity and in good yields.
Oxidant mediated coupling of tetrapyrromethanes resulted in the exclusive formation of meso-substituted corroles in more than 60% yields. The similar coupling reaction of 1,14-unsubstituted 16-oxatripyrromethane with 5-tolyldipyrromethane carried out in acetonitrile also gave expanded corroles as a