Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C323/00—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C65/00—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
  • C07C65/21—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups containing ether groups, groups, groups, or groups
  • C07C65/24—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups containing ether groups, groups, groups, or groups polycyclic
• • 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
  • C07D311/78—Ring systems having three or more relevant rings
  • C07D311/80—Dibenzopyrans; Hydrogenated dibenzopyrans
  • C07D311/82—Xanthenes
  • C07D311/84—Xanthenes with hetero atoms or 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 9
  • C07D311/86—Oxygen atoms, e.g. xanthones

Landscapes

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

Applications Claiming Priority (2)

Publications (1)

Family

ID=26925402

Family Applications (1)

Country Status (6)

Families Citing this family (2)

• 1972
  • 1972-06-05 US US00259671A patent/US3821252A/en not_active Expired - Lifetime
  • 1972-07-12 JP JP47069851A patent/JPS48103577A/ja active Pending
  • 1972-07-12 FR FR7225347A patent/FR2173880B1/fr not_active Expired
  • 1972-07-12 GB GB3253872A patent/GB1394383A/en not_active Expired
  • 1972-07-12 GB GB4468574A patent/GB1394386A/en not_active Expired
  • 1972-07-12 GB GB4467474A patent/GB1394384A/en not_active Expired
  • 1972-07-12 NL NL7209630A patent/NL7209630A/xx unknown
  • 1972-07-12 ES ES404792A patent/ES404792A1/es not_active Expired
  • 1972-07-12 GB GB4468474A patent/GB1394385A/en not_active Expired

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