BE536740A - - Google Patents

Info

Publication number
BE536740A
BE536740A BE536740DA BE536740A BE 536740 A BE536740 A BE 536740A BE 536740D A BE536740D A BE 536740DA BE 536740 A BE536740 A BE 536740A
Authority
BE
Belgium
Prior art keywords
emi
pyrone
general formula
under reduced
reduced pressure
Prior art date
Application number
Other languages
English (en)
French (fr)
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.)
Publication of BE536740A publication Critical patent/BE536740A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02—Phosphorus compounds
    • C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
    • C07F9/655—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having oxygen atoms, with or without sulfur, selenium, or tellurium atoms, as the only ring hetero atoms
    • C07F9/6552—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having oxygen atoms, with or without sulfur, selenium, or tellurium atoms, as the only ring hetero atoms the oxygen atom being part of a six-membered ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
BE536740D 1955-03-28 BE536740A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1125943T 1955-03-28

Publications (1)

Publication Number Publication Date
BE536740A true BE536740A (en:Method)

Family

ID=9634749

Family Applications (1)

Application Number Title Priority Date Filing Date
BE536740D BE536740A (en:Method) 1955-03-28

Country Status (2)

Country Link
BE (1) BE536740A (en:Method)
FR (1) FR1125943A (en:Method)

Also Published As

Publication number Publication date
FR1125943A (fr) 1956-11-12

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