Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
  • C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
  • C07D207/18—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
  • C07D207/22—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member 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
  • C07D207/24—Oxygen or sulfur atoms
  • C07D207/26—2-Pyrrolidones
  • C07D207/263—2-Pyrrolidones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms
  • C07D207/267—2-Pyrrolidones with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to other ring carbon atoms with only hydrogen atoms or radicals containing only hydrogen and carbon atoms directly attached to the ring nitrogen atom
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
  • C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
  • C07D207/04—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
  • C07D207/08—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon radicals, substituted by hetero atoms, attached to ring carbon atoms
  • C07D207/09—Radicals substituted by nitrogen atoms, not forming part of a nitro radical
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
  • C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
  • C07D207/18—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
  • C07D207/20—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms

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Country Status (33)

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• 1974
  • 1974-03-04 CH CH272675A patent/CH602636A5/xx not_active IP Right Cessation
  • 1974-03-04 FR FR7407342A patent/FR2263239B1/fr not_active Expired
  • 1974-03-04 RO RO7400081539A patent/RO64007A/ro unknown
• 1975
  • 1975-01-01 AR AR257827A patent/AR207350A1/es active
  • 1975-02-15 DE DE19752506515 patent/DE2506515A1/de active Pending
  • 1975-02-18 IL IL46657A patent/IL46657A/en unknown
  • 1975-02-20 ZA ZA00751072A patent/ZA751072B/xx unknown
  • 1975-02-20 BE BE1006472A patent/BE825728A/xx not_active IP Right Cessation
  • 1975-02-24 GB GB7645/75A patent/GB1481251A/en not_active Expired
  • 1975-02-24 IE IE377/75A patent/IE40685B1/xx unknown
  • 1975-02-25 EG EG93/75A patent/EG11753A/xx active
  • 1975-02-26 CA CA220,855A patent/CA1047041A/en not_active Expired
  • 1975-02-26 FI FI750558A patent/FI750558A/fi not_active Application Discontinuation
  • 1975-02-27 ES ES435139A patent/ES435139A1/es not_active Expired
  • 1975-02-28 NL NL7502425A patent/NL7502425A/xx not_active Application Discontinuation
  • 1975-02-28 MW MW8/75A patent/MW875A1/xx unknown
  • 1975-03-03 PL PL1975178472A patent/PL94801B1/pl unknown
  • 1975-03-03 DK DK83875*#A patent/DK83875A/da not_active Application Discontinuation
  • 1975-03-03 AT AT160575A patent/AT358569B/de not_active IP Right Cessation
  • 1975-03-03 HU HUSO1136A patent/HU169274B/hu not_active IP Right Cessation
  • 1975-03-03 SU SU752111076A patent/SU591139A3/ru active
  • 1975-03-03 NO NO750699A patent/NO145439C/no unknown
  • 1975-03-03 PH PH16855A patent/PH11269A/en unknown
  • 1975-03-03 DD DD184512A patent/DD117450A5/xx unknown
  • 1975-03-03 LU LU71947A patent/LU71947A1/xx unknown
  • 1975-03-03 SE SE7502340A patent/SE401367B/xx not_active IP Right Cessation
  • 1975-03-03 BG BG7500029132A patent/BG25077A3/xx unknown
  • 1975-03-04 CS CS7500001451A patent/CS179935B2/cs unknown
  • 1975-03-04 OA OA55432A patent/OA04856A/xx unknown
  • 1975-03-04 ZM ZM27/75A patent/ZM2775A1/xx unknown
  • 1975-03-04 JP JP50026947A patent/JPS5948825B2/ja not_active Expired
  • 1975-03-19 YU YU00676/75A patent/YU36500B/xx unknown
• 1978
  • 1978-06-01 HK HK278/78A patent/HK27878A/xx unknown

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