FR1220010A - Process for the preparation of dioxopyrazolidines - Google Patents

Process for the preparation of dioxopyrazolidines

Info

Publication number
FR1220010A
FR1220010A FR709789A FR709789A FR1220010A FR 1220010 A FR1220010 A FR 1220010A FR 709789 A FR709789 A FR 709789A FR 709789 A FR709789 A FR 709789A FR 1220010 A FR1220010 A FR 1220010A
Authority
FR
France
Prior art keywords
dioxopyrazolidines
preparation
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
FR709789A
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
JR 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 JR Geigy AG filed Critical JR Geigy AG
Application granted granted Critical
Publication of FR1220010A publication Critical patent/FR1220010A/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
    • C07D231/28—Two oxygen or sulfur atoms
    • C07D231/30—Two oxygen or sulfur atoms attached in positions 3 and 5
    • C07D231/32—Oxygen atoms
FR709789A 1955-03-05 1956-03-03 Process for the preparation of dioxopyrazolidines Expired FR1220010A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1220010X 1955-03-05

Publications (1)

Publication Number Publication Date
FR1220010A true FR1220010A (en) 1960-05-20

Family

ID=7733956

Family Applications (1)

Application Number Title Priority Date Filing Date
FR709789A Expired FR1220010A (en) 1955-03-05 1956-03-03 Process for the preparation of dioxopyrazolidines

Country Status (1)

Country Link
FR (1) FR1220010A (en)

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