Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
  • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
  • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
  • C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
  • C07D213/72—Nitrogen atoms
  • C07D213/75—Amino or imino radicals, acylated by carboxylic or carbonic acids, or by sulfur or nitrogen analogues thereof, e.g. carbamates
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
  • C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
  • C07D471/04—Ortho-condensed systems

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• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
• Nitrogen Condensed Heterocyclic Rings (AREA)
• Plural Heterocyclic Compounds (AREA)

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• 1973
  • 1973-05-25 AT AT462873A patent/AT331251B/de not_active IP Right Cessation
• 1974
  • 1974-05-08 US US468088A patent/US3900466A/en not_active Expired - Lifetime
  • 1974-05-22 AR AR253867A patent/AR200928A1/es active
  • 1974-05-22 EG EG188A patent/EG11352A/xx active
  • 1974-05-22 BE BE6044605A patent/BE815467A/xx unknown
  • 1974-05-22 FR FR7417836A patent/FR2230367B1/fr not_active Expired
  • 1974-05-23 CA CA200,670A patent/CA1035771A/en not_active Expired
  • 1974-05-23 DD DD178713A patent/DD111206A5/xx unknown
  • 1974-05-24 ES ES426617A patent/ES426617A1/es not_active Expired
  • 1974-05-24 CH CH714474A patent/CH605942A5/xx not_active IP Right Cessation
  • 1974-05-24 GB GB2330874A patent/GB1410319A/en not_active Expired
  • 1974-05-24 ES ES426619A patent/ES426619A1/es not_active Expired
  • 1974-05-24 ZA ZA00743348A patent/ZA743348B/xx unknown
  • 1974-05-24 JP JP49058658A patent/JPS5019767A/ja active Pending
  • 1974-05-24 RO RO7400078928A patent/RO63559A/ro unknown
  • 1974-05-24 NL NL7407015A patent/NL7407015A/xx not_active Application Discontinuation
  • 1974-05-24 ES ES426618A patent/ES426618A1/es not_active Expired
  • 1974-05-24 DE DE19742425282 patent/DE2425282A1/de not_active Withdrawn
  • 1974-05-24 HU HU74DE853A patent/HU174561B/hu unknown

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