BE518712A - - Google Patents

Info

Publication number
BE518712A
BE518712A BE518712DA BE518712A BE 518712 A BE518712 A BE 518712A BE 518712D A BE518712D A BE 518712DA BE 518712 A BE518712 A BE 518712A
Authority
BE
Belgium
Prior art keywords
xanthene
acid
sodium
carboxylic acid
cyanide
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE518712A publication Critical patent/BE518712A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D311/00Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02Heterocyclic 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
    • C07D311/78Ring systems having three or more relevant rings
    • C07D311/80Dibenzopyrans; Hydrogenated dibenzopyrans
    • C07D311/82Xanthenes
    • C07D311/84Xanthenes 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE518712D BE518712A (cs)

Publications (1)

Publication Number Publication Date
BE518712A true BE518712A (cs)

Family

ID=155180

Family Applications (1)

Application Number Title Priority Date Filing Date
BE518712D BE518712A (cs)

Country Status (1)

Country Link
BE (1) BE518712A (cs)

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