3658845

Information

• Patent Grant
• 3658845

• References
• Source

• Patent Number

  3,658,845

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1972
  52 years ago

• CPC

  • C07D207/335 - Radicals substituted by nitrogen atoms not forming part of a nitro radical
  • C07D207/34 - with heteroatoms or with carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen
  • C07D209/12 - Radicals substituted by oxygen atoms
  • C07D209/14 - Radicals substituted by nitrogen atoms, not forming part of a nitro radical
  • C07D213/38 - having only hydrogen, hydrocarbon radicals attached to the substituent nitrogen atom
  • C07D213/50 - Ketonic radicals
  • C07D215/14 - Radicals substituted by oxygen atoms
  • C07D217/16 - substituted by oxygen atoms
  • C07D217/24 - Oxygen atoms
  • C07D231/12 - with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
  • C07D231/22 - with aryl radicals attached to ring nitrogen atoms
  • C07D231/26 - 1-Phenyl-3-methyl-5- pyrazolones, unsubstituted or substituted on the phenyl ring
  • C07D231/28 - Two oxygen or sulfur atoms
  • C07D277/24 - Radicals substituted by oxygen atoms
  • C07D277/28 - Radicals substituted by nitrogen atoms
  • C07D277/34 - Oxygen atoms
  • C07D307/52 - Radicals substituted by nitrogen atoms not forming part of a nitro radical
  • C07D307/73 - by amino or imino, or substituted amino or imino radicals
  • C07D307/81 - Radicals substituted by nitrogen atoms not forming part of a nitro radical
  • C07D317/54 - Radicals substituted by oxygen atoms
  • C07D317/58 - Radicals substituted by nitrogen atoms
  • C07D319/08 - condensed with carbocyclic rings or ring systems
  • C07D319/18 - Ethylenedioxybenzenes, not substituted on the hetero ring
  • C07D319/20 - with substituents attached to the hetero ring
  • C07D333/16 - by oxygen atoms
  • C07D333/20 - by nitrogen atoms
  • C07D333/22 - Radicals substituted by doubly bound hetero atoms, or by two hetero atoms other than halogen singly bound to the same carbon atom
  • C07D333/28 - Halogen atoms
  • C07D333/58 - Radicals substituted by nitrogen atoms

• US Classifications

  • 549 - Organic compounds