Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07D—HETEROCYCLIC COMPOUNDS
  • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
  • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
  • C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
  • C07D311/22—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
  • C07D311/24—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 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 in position 2

Landscapes

• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
• Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
• Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
• Pyrane Compounds (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=10410538

Family Applications (1)

Country Status (7)

• 1977
  • 1977-09-19 FI FI772740A patent/FI772740A/en not_active Application Discontinuation
  • 1977-09-20 DK DK415177A patent/DK415177A/en not_active Application Discontinuation
  • 1977-09-22 SE SE7710661A patent/SE7710661L/en unknown
  • 1977-09-22 CA CA287,241A patent/CA1089478A/en not_active Expired
  • 1977-09-22 JP JP11343277A patent/JPS5340775A/en active Pending
  • 1977-09-22 NO NO773253A patent/NO773253L/en unknown
  • 1977-09-22 PT PT67069A patent/PT67069B/en unknown

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