Chalcogen Bonded Directly At The 11-position Of The Cyclopentanohydrophenanthrene Ring System Patents (Class 540/38)
  • Process for the production of 7alpha-methyl steroids
    Publication number: 20040010138
    Abstract: This invention relates to a process for the production of 7&agr;-methyl steroids of general formula I, 1
    Type: Application
    Filed: March 21, 2003
    Publication date: January 15, 2004
    Applicant: Schering AG
    Inventors: Marc Willuhn, Orlin Petrov, Evelin Amoulong-Kirstein, Stephan Vettel, Agnes Matzeit
  • 9.alpha.-hydroxy-17-methylene steroids, process for their preparation and their use in the preparation of corticosteroids
    Patent number: 5194602
    Abstract: New 9.alpha.-hydroxy-17-methylene steroids are prepared by the introduction of a substituted 17-methylene group in 9.alpha.-hydroxyandrost-4-ene-3, 17-dione.The resulting compounds are useful starting compounds in the synthesis of corticosteroids.
    Type: Grant
    Filed: December 12, 1990
    Date of Patent: March 16, 1993
    Assignee: Gist-Brocades N.V.
    Inventors: Jacobus N. M. Batisi, Arthur F. Marx
  • Soft steroids having anti-inflammatory activity
    Patent number: 4710495
    Abstract: Novel soft steroid anti-inflammatory agents, said agents being esters or thioesters of 17.alpha.-alkoxy-11.beta.-hydroxyandrost-4-en-3-one-17.beta.-carboxylic acids, pharmaceutical compositions containing said agents, novel chemical intermediates useful in the preparation of said agents and methods of administering same to mammals in the treatment of inflammation. Preferred compounds are the haloalkyl esters of 17.alpha.-alkoxy-11.beta.-hydroxyandrost-4-en-3-one-17.beta.-carboxylic acids.
    Type: Grant
    Filed: April 8, 1985
    Date of Patent: December 1, 1987
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventor: Nicholas S. Bodor