Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
  • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
  • C07D307/93—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems condensed with a ring other than six-membered
  • C07D307/935—Not further condensed cyclopenta [b] furans or hydrogenated cyclopenta [b] furans
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
  • C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
  • C07C45/516—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of nitrogen-containing compounds to >C = O groups
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
  • C07C49/587—Unsaturated compounds containing a keto groups being part of a ring
  • C07C49/753—Unsaturated compounds containing a keto groups being part of a ring containing ether groups, groups, groups, or groups
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D321/00—Heterocyclic compounds containing rings having two oxygen atoms as the only ring hetero atoms, not provided for by groups C07D317/00 - C07D319/00
  • C07D321/02—Seven-membered rings
  • C07D321/10—Seven-membered rings condensed with carbocyclic rings or ring systems

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

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Publications (1)

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• 1972
  • 1972-03-30 IE IE42472A patent/IE36248B1/xx unknown
  • 1972-04-05 CA CA138,981A patent/CA1003431A/en not_active Expired
  • 1972-04-07 HU HUIE000498 patent/HU166421B/hu unknown
  • 1972-04-12 CH CH536272A patent/CH577462A5/xx not_active IP Right Cessation
  • 1972-04-12 SE SE473072A patent/SE392891B/xx unknown
  • 1972-04-12 NO NO126072A patent/NO137121C/no unknown
  • 1972-04-12 YU YU98172A patent/YU98172A/xx unknown
  • 1972-04-12 FR FR7212798A patent/FR2136345A5/fr not_active Expired
  • 1972-04-12 NL NL7204874A patent/NL182640C/xx not_active IP Right Cessation
  • 1972-04-13 BE BE782064A patent/BE782064A/xx not_active IP Right Cessation
  • 1972-04-13 JP JP3733572A patent/JPS5629651B1/ja active Pending
  • 1972-04-13 FI FI104472A patent/FI56373C/fi active
  • 1972-04-13 ES ES401729A patent/ES401729A1/es not_active Expired
  • 1972-04-13 DE DE19722217930 patent/DE2217930C2/de not_active Expired
  • 1972-04-13 AT AT321672A patent/AT322531B/de not_active IP Right Cessation

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