3407212

Information

• Patent Grant
• 3407212

• References
• Source

• Patent Number

  3,407,212

• Date Filed

  Not available

• Date Issued

  Tuesday, October 22, 1968
  56 years ago

• CPC

  • C07J71/00 - Steroids in which the cyclopenta(a)hydrophenanthrene skeleton is condensed with a heterocyclic ring
  • C07C29/147 - of carboxylic acids or derivatives thereof
  • C07C35/44 - with a hydroxy group on a condensed ring system having more than three rings
  • C07C62/26 - containing singly bound oxygen-containing groups
  • C07J1/00 - Normal steroids containing carbon, hydrogen, halogen or oxygen, not substituted in position 17 beta by a carbon atom
  • C07J5/00 - Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom
  • C07J7/00 - Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of two carbon atoms
  • C07J9/00 - Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of more than two carbon atoms
  • C07J21/00 - Normal steroids containing carbon, hydrogen, halogen or oxygen having an oxygen-containing hetero ring spiro-condensed with the cyclopenta(a)hydrophenanthrene skeleton
  • C07J63/00 - Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by expansion of only one ring by one or two atoms
  • C07J63/008 - Expansion of ring D by one atom
  • C07J71/0042 - Nitrogen only
  • C07J75/00 - Processes for the preparation of steroids in general
  • C07C2103/26 - (Hydrogenated) phenanthrenes
  • C07C2103/48 - (Hydrogenated) chrysenes

• US Classifications

  • 548 - Organic compounds