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Sequential elimination-cyclopropanation reactions promoted by samarium: highly diastereoselective synthesis of
José M Concellón1, Humberto Rodríguez-Solla, Ricardo Llavona
1Departamento de Química Orgánica e Inorgánica, Universidad de Oviedo, Julián Clavería, 8, 33071 Oviedo, Spain. jmcg@sauron.quimica.uniovi.es
The Journal of Organic Chemistry
|February 1, 2003
Abstract:
trans-Cyclopropanamides were obtained, in high yield, from 2-chloro-3-hydroxyamides by a sequenced elimination-cyclopropanation process promoted by Samarium/diiodomethane or Samarium diiodide and Samarium/diiodomethane.