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)
• Pyrane Compounds (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=10148114

Family Applications (1)

Country Status (6)

• 1977
  • 1977-05-12 DK DK208877A patent/DK208877A/da unknown
  • 1977-05-16 NO NO771722A patent/NO771722L/no unknown
  • 1977-05-16 FI FI771545A patent/FI771545A/fi not_active Application Discontinuation
  • 1977-05-17 JP JP5605177A patent/JPS52142073A/ja active Pending
  • 1977-05-17 SE SE7705849A patent/SE7705849L/xx unknown
  • 1977-05-18 PT PT66569A patent/PT66569B/pt unknown

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