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)
• Pyrane Compounds (AREA)
• Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=11219776

Family Applications (1)

Country Status (8)

Families Citing this family (3)

• 1971
  • 1971-07-02 IT IT26560/71A patent/IT1050358B/it active
  • 1971-09-21 GB GB4384871A patent/GB1363747A/en not_active Expired
• 1972
  • 1972-06-02 DE DE2226825A patent/DE2226825A1/de active Pending
  • 1972-06-06 US US00260273A patent/US3843687A/en not_active Expired - Lifetime
  • 1972-06-06 CA CA144,061A patent/CA978196A/en not_active Expired
  • 1972-06-15 JP JP47059086A patent/JPS4938276B1/ja active Pending
  • 1972-06-28 BR BR4230/72A patent/BR7204230D0/pt unknown
• 1973
  • 1973-08-28 AU AU59693/73A patent/AU5969373A/en not_active Expired

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