3547914

Information

• Patent Grant
• 3547914

• References
• Source

• Patent Number

  3,547,914

• Date Filed

  Not available

• Date Issued

  Tuesday, December 15, 1970
  54 years ago

• CPC

  • C07J41/005 - the 17-beta position being substituted by an uninterrupted chain of only two carbon atoms
  • C07C309/59 - Nitrogen analogues of carboxyl groups
  • C07D209/40 - Nitrogen atoms, not forming part of a nitro radical
  • C07D307/75 - having carboxylic acyl radicals or their thio or nitrogen analogues directly attached to the hydrazino or hydrazono radical
  • C07J41/0005 - the nitrogen atom being directly linked to the cyclopenta(a)hydro phenanthrene skeleton

• US Classifications

  • 549 - Organic compounds
  • 548 - Organic compounds
  • 562 - Organic compounds