CH381695A - Process for the preparation of new 4-substituted 1,2-diaryl-3,5-dioxo-pyrazolidines - Google Patents

Process for the preparation of new 4-substituted 1,2-diaryl-3,5-dioxo-pyrazolidines

Info

Publication number
CH381695A
CH381695A CH181760A CH181760A CH381695A CH 381695 A CH381695 A CH 381695A CH 181760 A CH181760 A CH 181760A CH 181760 A CH181760 A CH 181760A CH 381695 A CH381695 A CH 381695A
Authority
CH
Switzerland
Prior art keywords
pyrazolidines
diaryl
dioxo
substituted
preparation
Prior art date
Application number
CH181760A
Other languages
German (de)
Inventor
Rudolf Dr Pfister
Franz Dr Haefliger
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
Priority to CH181760A priority Critical patent/CH381695A/en
Priority to GB2419664A priority patent/GB974744A/en
Priority to GB593261A priority patent/GB974743A/en
Priority to ES0264968A priority patent/ES264968A1/en
Priority to BE600340A priority patent/BE600340A/en
Priority to ES0264967A priority patent/ES264967A1/en
Publication of CH381695A publication Critical patent/CH381695A/en

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
    • C07D231/36—Oxygen atoms with hydrocarbon radicals, substituted by hetero atoms, attached in position 4
CH181760A 1960-02-18 1960-02-18 Process for the preparation of new 4-substituted 1,2-diaryl-3,5-dioxo-pyrazolidines CH381695A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH181760A CH381695A (en) 1960-02-18 1960-02-18 Process for the preparation of new 4-substituted 1,2-diaryl-3,5-dioxo-pyrazolidines
GB2419664A GB974744A (en) 1960-02-18 1961-02-17 New 4-substituted 1,2-diaryl-3,5-dioxopyrazolidines and processes for preparing same
GB593261A GB974743A (en) 1960-02-18 1961-02-17 New 4-substituted 1,2-diaryl-3,5-dioxopyrazolidines and processes for preparing same
ES0264968A ES264968A1 (en) 1960-02-18 1961-02-17 New 4-substituted 1,2-diaryl-3,5-dioxopyrazolidines and processes for preparing same
BE600340A BE600340A (en) 1960-02-18 1961-02-17 New 1.2-diaryl-3.5-dioxo-pyrazolidines substituted in position 4 and their preparation.
ES0264967A ES264967A1 (en) 1960-02-18 1961-02-17 New 4-substituted 1,2-diaryl-3,5-dioxopyrazolidines and processes for preparing same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH181760A CH381695A (en) 1960-02-18 1960-02-18 Process for the preparation of new 4-substituted 1,2-diaryl-3,5-dioxo-pyrazolidines

Publications (1)

Publication Number Publication Date
CH381695A true CH381695A (en) 1964-09-15

Family

ID=4219283

Family Applications (1)

Application Number Title Priority Date Filing Date
CH181760A CH381695A (en) 1960-02-18 1960-02-18 Process for the preparation of new 4-substituted 1,2-diaryl-3,5-dioxo-pyrazolidines

Country Status (4)

Country Link
BE (1) BE600340A (en)
CH (1) CH381695A (en)
ES (2) ES264967A1 (en)
GB (2) GB974743A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GR67999B (en) 1979-05-11 1981-10-26 Ciba Geigy Ag

Also Published As

Publication number Publication date
GB974743A (en) 1964-11-11
ES264968A1 (en) 1961-08-01
BE600340A (en) 1961-08-17
ES264967A1 (en) 1961-08-01
GB974744A (en) 1964-11-11

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