Sulfur Bonded Directly To The Cyclopentanohydrophenanthrene Ring System Patents (Class 540/42)
  • Antiandrogenic sulfonylsteroidopyrazoles and processes for preparation method of use and compositions thereof
    Patent number: 4684636
    Abstract: 1'-Sulfonylsteroido[3,2-c]pyrazoles, for example, (5.alpha.,17.alpha.)-1'-(methylsulfonyl)-1'H-pregn-20-yno[3,2-c]pyrazol-17 -ol, which are useful as antiandrogenic agents, and processes for preparation, method of use and compositions thereof are disclosed.
    Type: Grant
    Filed: April 8, 1986
    Date of Patent: August 4, 1987
    Assignee: Sterling Drug Inc.
    Inventors: Robert G. Christiansen, Malcolm R. Bell, John L. Herrmann, Jr., Chester J. Opalka, Jr.