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
  • C07D311/78—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
• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
  • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
  • C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
  • C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
  • C07C45/70—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction with functional groups containing oxygen only in singly bound form
  • C07C45/71—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction with functional groups containing oxygen only in singly bound form being hydroxy groups

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• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
• Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
• Plural Heterocyclic Compounds (AREA)

Applications Claiming Priority (3)

Publications (1)

Family

ID=27388786

Family Applications (1)

Country Status (11)

Families Citing this family (2)

• 0
  • BE BE786169D patent/BE786169A/en unknown
• 1972
  • 1972-07-12 SE SE919672A patent/SE388421B/en unknown
  • 1972-07-12 IL IL3989072A patent/IL39890A/en unknown
  • 1972-07-12 CH CH1045672A patent/CH580093A5/xx not_active IP Right Cessation
  • 1972-07-12 ES ES404786A patent/ES404786A1/en not_active Expired
  • 1972-07-12 GB GB3253372A patent/GB1386436A/en not_active Expired
  • 1972-07-12 DK DK347772A patent/DK141096B/en unknown
  • 1972-07-12 AT AT599372A patent/AT326121B/en not_active IP Right Cessation
  • 1972-07-12 DE DE19722234256 patent/DE2234256A1/en active Pending
  • 1972-07-12 NL NL7209628A patent/NL7209628A/xx unknown
  • 1972-07-12 FR FR7225353A patent/FR2145654B1/fr not_active Expired
• 1975
  • 1975-03-15 ES ES435673A patent/ES435673A1/en not_active Expired
  • 1975-03-15 ES ES435671A patent/ES435671A1/en not_active Expired
  • 1975-03-15 ES ES435670A patent/ES435670A1/en not_active Expired
  • 1975-03-15 ES ES435672A patent/ES435672A1/en not_active Expired
  • 1975-03-15 ES ES435669A patent/ES435669A1/en not_active Expired

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