BE825839A - Nouveau procede pour preparer des composes a structure de cepheme - Google Patents

Nouveau procede pour preparer des composes a structure de cepheme

Info

Publication number
BE825839A
BE825839A BE153615A BE153615A BE825839A BE 825839 A BE825839 A BE 825839A BE 153615 A BE153615 A BE 153615A BE 153615 A BE153615 A BE 153615A BE 825839 A BE825839 A BE 825839A
Authority
BE
Belgium
Prior art keywords
emi
radical
substituted
unsubstituted
formula
Prior art date
Application number
BE153615A
Other languages
English (en)
French (fr)
Inventor
S Seki
S Sugimoto
S Nakajima
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 BE825839A publication Critical patent/BE825839A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom 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
    • C07D213/62Oxygen or sulfur atoms
    • C07D213/70Sulfur atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D257/00Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms
    • C07D257/02Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms not condensed with other rings
    • C07D257/04Five-membered rings
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D333/00Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
    • C07D333/02Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
    • C07D333/04Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
    • C07D333/06Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring carbon atoms
    • C07D333/24Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Cephalosporin Compounds (AREA)
BE153615A 1974-02-22 1975-02-21 Nouveau procede pour preparer des composes a structure de cepheme BE825839A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2042074A JPS558989B2 (enrdf_load_stackoverflow) 1974-02-22 1974-02-22

Publications (1)

Publication Number Publication Date
BE825839A true BE825839A (fr) 1975-06-16

Family

ID=12026529

Family Applications (1)

Application Number Title Priority Date Filing Date
BE153615A BE825839A (fr) 1974-02-22 1975-02-21 Nouveau procede pour preparer des composes a structure de cepheme

Country Status (3)

Country Link
JP (1) JPS558989B2 (enrdf_load_stackoverflow)
BE (1) BE825839A (enrdf_load_stackoverflow)
ZA (1) ZA75956B (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
ZA75956B (en) 1976-01-28
JPS50112390A (enrdf_load_stackoverflow) 1975-09-03
JPS558989B2 (enrdf_load_stackoverflow) 1980-03-07

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: MEIJI SEIKA KAISHA LTD

Effective date: 19850221