CH340235A - Verfahren zur Herstellung von 4-substituierten 1,2-Diaryl-3,5-dioxo-pyrazolidinen - Google Patents

Verfahren zur Herstellung von 4-substituierten 1,2-Diaryl-3,5-dioxo-pyrazolidinen

Info

Publication number
CH340235A
CH340235A CH340235DA CH340235A CH 340235 A CH340235 A CH 340235A CH 340235D A CH340235D A CH 340235DA CH 340235 A CH340235 A CH 340235A
Authority
CH
Switzerland
Prior art keywords
pyrazolidines
diaryl
dioxo
substituted
preparation
Prior art date
Application number
Other languages
English (en)
Inventor
Franz Dr Haefliger
Rudolf Dr Pfister
Original Assignee
Geigy Ag J R
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 Geigy Ag J R filed Critical Geigy Ag J R
Publication of CH340235A publication Critical patent/CH340235A/de

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
    • C07D231/28—Two oxygen or sulfur atoms
    • C07D231/30—Two oxygen or sulfur atoms attached in positions 3 and 5
    • C07D231/32—Oxygen atoms
    • C07D231/34—Oxygen atoms with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached in position 4

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
CH340235D 1955-08-15 1955-08-15 Verfahren zur Herstellung von 4-substituierten 1,2-Diaryl-3,5-dioxo-pyrazolidinen CH340235A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH793968X 1955-08-15

Publications (1)

Publication Number Publication Date
CH340235A true CH340235A (de) 1959-08-15

Family

ID=4537170

Family Applications (1)

Application Number Title Priority Date Filing Date
CH340235D CH340235A (de) 1955-08-15 1955-08-15 Verfahren zur Herstellung von 4-substituierten 1,2-Diaryl-3,5-dioxo-pyrazolidinen

Country Status (7)

Country Link
US (1) US2835677A (de)
BE (1) BE550371A (de)
CH (1) CH340235A (de)
DE (1) DE1059466B (de)
FR (1) FR1173167A (de)
GB (1) GB793968A (de)
NL (1) NL98794C (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH380143A (de) * 1960-02-24 1964-07-31 Geigy Ag J R Verfahren zur Herstellung von neuen 4-substituierten 1,2-Diaryl-3,5-dioxo-pyrazolidinen
US3135764A (en) * 1961-08-14 1964-06-02 Wallace & Tiernan Inc Substituted 3, 5-dioxopyrazolidines and process for their manufacture

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE506891A (de) * 1950-11-06
DE922103C (de) * 1950-11-06 1955-01-10 Geigy Ag J R Verfahren zur Herstellung von neuen, in 4-Stellung substituierten 1, 2-Diaryl-3, 5-dioxo-pyrazolidinen
US2700670A (en) * 1951-10-25 1955-01-25 Geigy Ag J R Derivatives of 3, 5-dioxo-pyrazolidine

Also Published As

Publication number Publication date
US2835677A (en) 1958-05-20
FR1173167A (fr) 1959-02-20
BE550371A (de)
DE1059466B (de) 1959-06-18
NL98794C (de)
GB793968A (en) 1958-04-23

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