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Synlett 1994; 1994(4): 233-234
DOI: 10.1055/s-1994-22806
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Cerium Ammonium Nitrate Promoted Alkoxylation of Cephem Sulfoxides and Sulfones

Marco Alpegiani* , Pierluigi Bissolino, Daniela Borghi, Ettore Perrone
  • *Pharmacia Farmitalia Carlo Erba S.r.l., 20014 Nerviano (Milano), Italy
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Publikationsdatum:
22. März 2002 (online)

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At variance with their parent sulfides, cephem-1ß-sulfoxides are smoothly and steroselectively alkoxylated at C-4 upon reaction with cerium ammonium nitrate in the suitable alcohol. Moderate yields were obtained with cephem sulfones.