Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D205/00—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom
  • C07D205/02—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings
  • C07D205/06—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
  • C07D205/08—Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams
• • 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
  • C07D207/18—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

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• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
• Pyrrole Compounds (AREA)

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• 1983
  • 1983-11-04 US US06/549,365 patent/US4632994A/en not_active Expired - Lifetime
• 1984
  • 1984-10-11 GR GR80611A patent/GR80611B/el unknown
  • 1984-10-17 AU AU34415/84A patent/AU570511B2/en not_active Expired
  • 1984-10-20 AT AT84112681T patent/ATE62476T1/de not_active IP Right Cessation
  • 1984-10-20 EP EP19840112681 patent/EP0144664B1/en not_active Expired - Lifetime
  • 1984-10-20 DE DE8484112681T patent/DE3484425D1/de not_active Expired - Lifetime
  • 1984-10-22 FI FI844144A patent/FI81086C/fi not_active IP Right Cessation
  • 1984-10-25 DK DK508984A patent/DK165333C/da not_active IP Right Cessation
  • 1984-10-26 IL IL73336A patent/IL73336A/xx not_active IP Right Cessation
  • 1984-10-29 ZA ZA848408A patent/ZA848408B/xx unknown
  • 1984-10-29 AR AR84298419A patent/AR241714A1/es active
  • 1984-10-30 PH PH31386A patent/PH22623A/en unknown
  • 1984-10-31 NO NO844329A patent/NO166443C/no not_active IP Right Cessation
  • 1984-11-02 CA CA000466931A patent/CA1219863A/en not_active Expired
  • 1984-11-02 HU HU844081A patent/HU192998B/hu unknown
  • 1984-11-02 JP JP59230467A patent/JPS60172961A/ja active Granted
  • 1984-11-02 PT PT79452A patent/PT79452B/pt unknown
  • 1984-11-02 ES ES537323A patent/ES537323A0/es active Granted
  • 1984-11-02 NZ NZ210080A patent/NZ210080A/xx unknown
  • 1984-11-02 IE IE2824/84A patent/IE57906B1/en not_active IP Right Cessation
  • 1984-11-02 KR KR1019840006857A patent/KR910007881B1/ko not_active IP Right Cessation

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