3164611

Information

• Patent Grant
• 3164611

• References
• Source

• Patent Number

  3,164,611

• Date Filed

  Not available

• Date Issued

  Tuesday, January 5, 1965
  60 years ago

• CPC

  • C07D309/30 - Oxygen atoms
  • C07B41/04 - of ether, acetal or ketal groups
  • C07C45/292 - with chromium derivatives
  • C07C47/16 - Trichloroacetaldehyde
  • C07C47/21 - with only carbon-to-carbon double bonds as unsaturation
  • C07C49/782 - polycyclic
  • C07C49/796 - polycyclic
  • C07C49/83 - polycyclic
  • C07C49/84 - containing ether groups, groups, groups, or groups
  • C07C201/12 - by reactions not involving the formation of nitro groups
  • C07D213/50 - Ketonic radicals
  • C07J1/0011 - substituted in position 17 by a keto group
  • C07J5/0053 - not substituted in position 16
  • C07J7/002 - not substituted in position 16
  • C07J9/00 - Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of more than two carbon atoms
  • C07J9/005 - containing a carboxylic function directly attached or attached by a chain containing only carbon atoms to the cyclopenta[a]hydrophenanthrene skeleton
  • C07J13/007 - with double bond in position 17 (20)
  • C07C2101/18 - with a ring being at least seven-membered
  • C07C2103/40 - containing four condensed rings

• US Classifications

  • 549 - Organic compounds
  • 540 - Organic compounds
  • 546 - Organic compounds
  • 552 - Organic compounds
  • 568 - Organic compounds