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)
• Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
• Plural Heterocyclic Compounds (AREA)
• Pyrane Compounds (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=10389217

Family Applications (1)

Country Status (9)

• 1974
  • 1974-07-16 FI FI2174/74A patent/FI217474A7/fi unknown
  • 1974-07-30 DE DE2436552A patent/DE2436552A1/de active Pending
  • 1974-07-30 FR FR7426369A patent/FR2239244A1/fr not_active Withdrawn
  • 1974-07-30 CA CA205,977A patent/CA1047510A/en not_active Expired
  • 1974-07-31 NO NO742774A patent/NO142960C/no unknown
  • 1974-07-31 DK DK408974*A patent/DK408974A/da not_active Application Discontinuation
  • 1974-07-31 CH CH1052474A patent/CH610896A5/xx not_active IP Right Cessation
  • 1974-07-31 SE SE7409901A patent/SE415256B/xx unknown
  • 1974-08-01 JP JP49087579A patent/JPS5082069A/ja active Pending

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