Patents by Inventor Cinzia Bottai

Cinzia Bottai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Epoxidation of 17-oxo-15,16-Methylene Steroids with Sulfoxonium Ylides
    Publication number: 20080076915
    Abstract: A process for the epoxidation of 17-oxo-15,16-methylene steroids, in particular of drospirenone precursors, comprising the use of sulfoxonium ylides, in particular of dimethylsulfoxonium methyl ylide. The process allows to prepare in good yields 17-spiro epoxides, which can be easily transformed into 17-spironolacto-steroids.
    Type: Application
    Filed: September 21, 2007
    Publication date: March 27, 2008
    Applicant: ANTIBIOTICOS S.P.A.
    Inventors: Walter Cabri, Fabio Benedetti, Marco Alpegiani, Manuela Rodriquez, Cinzia Bottai