FR1027309A - Process for the preparation of pyrazolones and products conforming to those obtained by this process - Google Patents

Process for the preparation of pyrazolones and products conforming to those obtained by this process

Info

Publication number
FR1027309A
FR1027309A FR1027309DA FR1027309A FR 1027309 A FR1027309 A FR 1027309A FR 1027309D A FR1027309D A FR 1027309DA FR 1027309 A FR1027309 A FR 1027309A
Authority
FR
France
Prior art keywords
pyrazolones
preparation
those obtained
products conforming
conforming
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.)
Novartis AG
Original Assignee
Ciba Geigy 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 Ciba Geigy AG filed Critical Ciba Geigy AG
Application granted granted Critical
Publication of FR1027309A publication Critical patent/FR1027309A/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
    • C07D231/18—One oxygen or sulfur atom
    • C07D231/20—One oxygen atom attached in position 3 or 5
    • C07D231/22—One oxygen atom attached in position 3 or 5 with aryl radicals attached to ring nitrogen atoms
    • C07D231/26—1-Phenyl-3-methyl-5- pyrazolones, unsubstituted or substituted on the phenyl ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR1027309D 1949-11-08 1950-11-07 Process for the preparation of pyrazolones and products conforming to those obtained by this process Expired FR1027309A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1027309X 1949-11-08

Publications (1)

Publication Number Publication Date
FR1027309A true FR1027309A (en) 1953-05-11

Family

ID=4553466

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1027309D Expired FR1027309A (en) 1949-11-08 1950-11-07 Process for the preparation of pyrazolones and products conforming to those obtained by this process

Country Status (1)

Country Link
FR (1) FR1027309A (en)

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