3184485

Information

• Patent Grant
• 3184485

• References
• Source

• Patent Number

  3,184,485

• Date Filed

  Not available

• Date Issued

  Tuesday, May 18, 1965
  59 years ago

• CPC

  • C07J71/00 - Steroids in which the cyclopenta(a)hydrophenanthrene skeleton is condensed with a heterocyclic ring
  • C07J53/00 - Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by condensation with a carbocyclic rings or by formation of an additional ring by means of a direct link between two ring carbon atoms, including carboxyclic rings fused to the cyclopenta(a)hydrophenanthrene skeleton are included in this class
  • C07J63/00 - Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by expansion of only one ring by one or two atoms
  • C07J67/00 - Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by expansion of two rings, each by one atom
  • C07J69/00 - Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by contraction of only one ring by one atom and expansion of only one ring by one atom
  • C07J75/00 - Processes for the preparation of steroids in general
  • Y10S435/911 - using fungi

• US Classifications

  • 552 - Organic compounds
  • 540 - Organic compounds