BE477639A - - Google Patents

Info

Publication number
BE477639A
BE477639A BE477639DA BE477639A BE 477639 A BE477639 A BE 477639A BE 477639D A BE477639D A BE 477639DA BE 477639 A BE477639 A BE 477639A
Authority
BE
Belgium
Prior art keywords
process according
semi
mixture
small percentage
acid
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE477639A publication Critical patent/BE477639A/fr

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D307/00Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D307/56Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members 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 to ring carbon atoms
    • C07D307/70Nitro radicals
    • C07D307/71Nitro radicals attached in position 5
    • C07D307/72Nitro radicals attached in position 5 with hydrocarbon radicals, substituted by nitrogen-containing radicals, attached in position 2
    • C07D307/74Nitro radicals attached in position 5 with hydrocarbon radicals, substituted by nitrogen-containing radicals, attached in position 2 by hydrazino or hydrazono or such substituted radicals
    • C07D307/76Nitro radicals attached in position 5 with hydrocarbon radicals, substituted by nitrogen-containing radicals, attached in position 2 by hydrazino or hydrazono or such substituted radicals having carbonic acyl radicals or their thio or nitrogen analogues directly attached to the hydrazino or hydrazono radical, e.g. semicarbazides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE477639D BE477639A (en))

Publications (1)

Publication Number Publication Date
BE477639A true BE477639A (en))

Family

ID=125663

Family Applications (1)

Application Number Title Priority Date Filing Date
BE477639D BE477639A (en))

Country Status (1)

Country Link
BE (1) BE477639A (en))

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