3562260

Information

• Patent Grant
• 3562260

• References
• Source

• Patent Number

  3,562,260

• Date Filed

  Not available

• Date Issued

  Tuesday, February 9, 1971
  53 years ago

• CPC

  • C07J21/00 - Normal steroids containing carbon, hydrogen, halogen or oxygen having an oxygen-containing hetero ring spiro-condensed with the cyclopenta(a)hydrophenanthrene skeleton
  • C07J1/0059 - substituted in position 17 by a keto group
  • C07J1/007 - the substituent being an OH group free esterified or etherified
  • C07J1/0085 - the substituent in position 17 alfa being a saturated hydrocarbon group
  • C07J1/0092 - Alkenyl derivatives
  • C07J7/002 - not substituted in position 16
  • C07J7/0045 - 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
  • C07J17/00 - Normal steroids containing carbon, hydrogen, halogen or oxygen, having an oxygen-containing hetero ring not condensed with the cyclopenta(a)hydrophenanthrene skeleton
  • C07J41/0072 - the A ring of the steroid being aromatic
  • C07J41/0094 - containing nitrile radicals, including thiocyanide radicals
  • C07J71/0063 - at position 2(3)

• US Classifications

  • 540 - Organic compounds
  • 552 - Organic compounds