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
  • C07D311/42—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4
  • C07D311/44—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4 with one hydrogen atom in position 3
  • C07D311/46—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms in positions 2 and 4 with one hydrogen atom in position 3 unsubstituted in the carbocyclic ring

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=19752069

Family Applications (1)

Country Status (5)

• 0
  • NL NL111417D patent/NL111417C/xx active
• 1960
  • 1960-12-02 CH CH1353060A patent/CH404689A/de unknown
  • 1960-12-02 CH CH1397865A patent/CH432549A/de unknown
  • 1960-12-05 BE BE597786A patent/BE597786A/nl unknown
  • 1960-12-05 GB GB41845/60A patent/GB951463A/en not_active Expired
• 1961
  • 1961-03-01 FR FR854248D patent/FR1688M/fr active Active

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