3755303

Information

• Patent Grant
• 3755303

• References
• Source

• Patent Number

  3,755,303

• Date Filed

  Not available

• Date Issued

  Tuesday, August 28, 1973
  51 years ago

• CPC

  • C07J71/00 - Steroids in which the cyclopenta(a)hydrophenanthrene skeleton is condensed with a heterocyclic ring
  • C07J41/0005 - the nitrogen atom being directly linked to the cyclopenta(a)hydro phenanthrene skeleton
  • C07J71/001 - Oxiranes
  • C07J71/0068 - at position 16(17)
  • C07J75/00 - Processes for the preparation of steroids in general

• US Classifications

  • 540 - Organic compounds
  • 552 - Organic compounds