FR1042766A - Process for the preparation of pyrazolone derivatives and their preparation - Google Patents

Process for the preparation of pyrazolone derivatives and their preparation

Info

Publication number
FR1042766A
FR1042766A FR1042766DA FR1042766A FR 1042766 A FR1042766 A FR 1042766A FR 1042766D A FR1042766D A FR 1042766DA FR 1042766 A FR1042766 A FR 1042766A
Authority
FR
France
Prior art keywords
preparation
pyrazolone derivatives
pyrazolone
derivatives
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hoechst AG
Original Assignee
Hoechst AG
Farbwerke Hoechst AG
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 by Hoechst AG, Farbwerke Hoechst AG filed Critical Hoechst AG
Application granted granted Critical
Publication of FR1042766A publication Critical patent/FR1042766A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
    • C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
    • C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings 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
    • C07D231/44—Oxygen and nitrogen or sulfur and nitrogen atoms
    • C07D231/46—Oxygen atom in position 3 or 5 and nitrogen atom in position 4
    • C07D231/48—Oxygen atom in position 3 or 5 and nitrogen atom in position 4 with hydrocarbon radicals attached to said nitrogen atom

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR1042766D 1950-03-06 1951-03-06 Process for the preparation of pyrazolone derivatives and their preparation Expired FR1042766A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1042766X 1950-03-06

Publications (1)

Publication Number Publication Date
FR1042766A true FR1042766A (en) 1953-11-03

Family

ID=7716596

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1042766D Expired FR1042766A (en) 1950-03-06 1951-03-06 Process for the preparation of pyrazolone derivatives and their preparation

Country Status (1)

Country Link
FR (1) FR1042766A (en)

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