FR1042863A - Pyrazolidones and their preparation - Google Patents

Pyrazolidones and their preparation

Info

Publication number
FR1042863A
FR1042863A FR1042863DA FR1042863A FR 1042863 A FR1042863 A FR 1042863A FR 1042863D A FR1042863D A FR 1042863DA FR 1042863 A FR1042863 A FR 1042863A
Authority
FR
France
Prior art keywords
pyrazolidones
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
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.)
Ilford Imaging UK Ltd
Original Assignee
Ilford Ltd
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 Ilford Ltd filed Critical Ilford Ltd
Application granted granted Critical
Publication of FR1042863A publication Critical patent/FR1042863A/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
    • C07D231/06—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C07D231/08—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with oxygen or sulfur atoms directly attached to ring carbon atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR1042863D 1950-04-06 1951-04-06 Pyrazolidones and their preparation Expired FR1042863A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1042863X 1950-04-06

Publications (1)

Publication Number Publication Date
FR1042863A true FR1042863A (en) 1953-11-04

Family

ID=10869965

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1042863D Expired FR1042863A (en) 1950-04-06 1951-04-06 Pyrazolidones and their preparation

Country Status (1)

Country Link
FR (1) FR1042863A (en)

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