3585191

Information

• Patent Grant
• 3585191

• References
• Source

• Patent Number

  3,585,191

• Date Filed

  Not available

• Date Issued

  Tuesday, June 15, 1971
  53 years ago

• CPC

  • A61K31/567 - substituted in position 17 alpha
  • A61K31/569 - substituted in position 17 alpha
  • A61K31/58 - containing heterocyclic rings
  • C07J3/005 - the carbon atom being part of a carboxylic function
  • C07J5/0053 - not substituted in position 16
  • C07J7/0045 - not substituted in position 16
  • C07J17/00 - Normal steroids containing carbon, hydrogen, halogen or oxygen, having an oxygen-containing hetero ring not condensed with the cyclopenta(a)hydrophenanthrene skeleton
  • C07J21/005 - Ketals
  • C07J31/006 - not covered by C07J31/003
  • C07J71/00 - Steroids in which the cyclopenta(a)hydrophenanthrene skeleton is condensed with a heterocyclic ring
  • C07J71/0026 - cyclic ketals
  • C07J75/00 - Processes for the preparation of steroids in general

• US Classifications

  • 540 - Organic compounds
  • 204 - Chemistry: electrical and wave energy
  • 552 - Organic compounds