3158601

Information

• Patent Grant
• 3158601

• References
• Source

• Patent Number

  3,158,601

• Date Filed

  Not available

• Date Issued

  Tuesday, November 24, 1964
  60 years ago

• CPC

  • A61K31/57 - substituted in position 17 beta by a chain of two carbon atoms
  • A61K31/58 - containing heterocyclic rings
  • C07J5/0053 - not substituted in position 16
  • C07J5/0061 - substituted in position 16
  • C07J5/0076 - by an alkyl group
  • C07J13/007 - with double bond in position 17 (20)
  • C07J17/00 - Normal steroids containing carbon, hydrogen, halogen or oxygen, having an oxygen-containing hetero ring not condensed with the cyclopenta(a)hydrophenanthrene skeleton
  • C07J21/008 - at position 17
  • C07J41/00 - Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring
  • C07J71/00 - Steroids in which the cyclopenta(a)hydrophenanthrene skeleton is condensed with a heterocyclic ring
  • C07J71/0015 - at position 9(11)
  • C07J71/0047 - at position 2(3)
  • C07J75/00 - Processes for the preparation of steroids in general
  • Y02P20/55 - Synthetic design

• US Classifications

  • 540 - Organic compounds
  • 552 - Organic compounds