NL7209622A - - Google Patents

Info

Publication number
NL7209622A
NL7209622A NL7209622A NL7209622A NL7209622A NL 7209622 A NL7209622 A NL 7209622A NL 7209622 A NL7209622 A NL 7209622A NL 7209622 A NL7209622 A NL 7209622A NL 7209622 A NL7209622 A NL 7209622A
Authority
NL
Netherlands
Application number
NL7209622A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of NL7209622A publication Critical patent/NL7209622A/xx

Links

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Pyrane Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Cosmetics (AREA)
NL7209622A 1972-01-12 1972-07-12 NL7209622A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21728672A 1972-01-12 1972-01-12

Publications (1)

Publication Number Publication Date
NL7209622A true NL7209622A (ja) 1973-07-16

Family

ID=22810414

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7209622A NL7209622A (ja) 1972-01-12 1972-07-12

Country Status (9)

Country Link
JP (1) JPS4880534A (ja)
CA (1) CA967581A (ja)
CH (1) CH602547A5 (ja)
DE (1) DE2234152A1 (ja)
ES (2) ES404789A1 (ja)
FR (1) FR2167489B1 (ja)
GB (1) GB1384447A (ja)
NL (1) NL7209622A (ja)
SE (1) SE397825B (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106977489B (zh) * 2017-04-20 2019-05-31 清华大学 一种制备多取代占吨酮类衍生物的方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3642997A (en) * 1969-06-25 1972-02-15 Merck & Co Inc Tricyclic carboxylic acids in the treatment of inflammation
BE759292A (fr) * 1969-11-27 1971-05-24 Allen & Hanburys Ltd Derives de xanthone, leur preparation et leur emploi

Also Published As

Publication number Publication date
GB1384447A (en) 1975-02-19
JPS4880534A (ja) 1973-10-29
SE397825B (sv) 1977-11-21
ES404789A1 (es) 1975-06-16
DE2234152A1 (de) 1973-07-26
CA967581A (en) 1975-05-13
CH602547A5 (ja) 1978-07-31
FR2167489B1 (ja) 1975-10-31
ES434925A1 (es) 1976-12-16
FR2167489A1 (ja) 1973-08-24

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Legal Events

Date Code Title Description
BV The patent application has lapsed