FR944617A - Procédé de préparation de pyrazolones - Google Patents

Procédé de préparation de pyrazolones

Info

Publication number
FR944617A
FR944617A FR944617DA FR944617A FR 944617 A FR944617 A FR 944617A FR 944617D A FR944617D A FR 944617DA FR 944617 A FR944617 A FR 944617A
Authority
FR
France
Prior art keywords
pyrazolones
preparing
preparing pyrazolones
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
English (en)
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 FR944617A publication Critical patent/FR944617A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
    • C07D417/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings
    • C07D417/10—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings linked by a carbon chain containing aromatic rings
    • 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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
    • G03C7/32—Colour coupling substances
    • G03C7/36—Couplers containing compounds with active methylene groups
    • G03C7/38—Couplers containing compounds with active methylene groups in rings
    • G03C7/384—Couplers containing compounds with active methylene groups in rings in pyrazolone rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR944617D 1944-12-01 1947-04-01 Procédé de préparation de pyrazolones Expired FR944617A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB23983/44A GB585780A (en) 1944-12-01 1944-12-01 Improvements in or relating to the production of pyrazolones

Publications (1)

Publication Number Publication Date
FR944617A true FR944617A (fr) 1949-04-11

Family

ID=33307029

Family Applications (1)

Application Number Title Priority Date Filing Date
FR944617D Expired FR944617A (fr) 1944-12-01 1947-04-01 Procédé de préparation de pyrazolones

Country Status (4)

Country Link
US (1) US2459226A (fr)
CH (1) CH250900A (fr)
FR (1) FR944617A (fr)
GB (1) GB585780A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0044768A2 (fr) * 1980-07-18 1982-01-27 P C U K Produits Chimiques Ugine Kuhlmann Procédé de préparation de phényl-1 carbamoyl-3 pyrazolones-5
FR2613716A1 (fr) * 1987-04-08 1988-10-14 Chemie Linz Gmbh Procede de preparation de 1-phenyl-3-carbalkyloxy-5-hydroxypyrazoles purs

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2512251A (en) * 1947-08-30 1950-06-20 American Cyanamid Co 1-aryl-5-pyrazolone azo compounds
US2536398A (en) * 1947-10-10 1951-01-02 Gen Aniline & Film Corp Pyrazolone diazotype couplers
US2569418A (en) * 1948-07-09 1951-09-25 Gen Aniline & Film Corp 3-azo derivatives of 1-substituted 2, 5-diketo-7-methylpyrimidopyrazoles
US4207317A (en) * 1978-03-13 1980-06-10 Ciba-Geigy Corporation 1-Aryl-4-carbamoyl-pyrazolin-5-ones
DE2840120C3 (de) * 1978-09-15 1982-04-08 Hoechst Ag, 6000 Frankfurt Anthrachinon-Azoverbindungen, Verfahren zu deren Herstellung und ihre Verwendung als Farbstoffe
JP2852685B2 (ja) * 1990-04-06 1999-02-03 コニカ株式会社 ハロゲン化銀カラー写真感光材料
JPH0561168A (ja) * 1991-08-29 1993-03-12 Konica Corp ハロゲン化銀カラー写真感光材料
US9145424B2 (en) 2008-11-20 2015-09-29 Northwestern University Treatment of amyotrophic lateral sclerosis
EP2367798B1 (fr) * 2008-11-20 2018-02-28 Northwestern University Dérivés pyrazolone utiles dans le traitement de la sclérose latérale amyotrophique
CN103483261A (zh) * 2013-09-10 2014-01-01 中国乐凯集团有限公司 1-取代苯基-3-羧甲基-5-吡唑啉酮的制备方法
CN110483480A (zh) * 2019-09-11 2019-11-22 江苏优普生物化学科技股份有限公司 2-(3-氯吡啶-2-基)-5-羟基-3-吡唑烷甲酸乙酯的合成方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2153615A (en) * 1936-10-23 1939-04-11 Du Pont 1-aryl-5-pyrazolone-3-carboxylic acids
US2294909A (en) * 1939-02-13 1942-09-08 Du Pont Chemical process and composition
US2366616A (en) * 1942-05-02 1945-01-02 Du Pont Azo intermediates

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0044768A2 (fr) * 1980-07-18 1982-01-27 P C U K Produits Chimiques Ugine Kuhlmann Procédé de préparation de phényl-1 carbamoyl-3 pyrazolones-5
EP0044768A3 (en) * 1980-07-18 1982-02-17 P C U K Produits Chimiques Ugine Kuhlmann Process for the preparation of 1-phenyl-3-carbamoyl-pyrazol-5-ones
FR2613716A1 (fr) * 1987-04-08 1988-10-14 Chemie Linz Gmbh Procede de preparation de 1-phenyl-3-carbalkyloxy-5-hydroxypyrazoles purs

Also Published As

Publication number Publication date
US2459226A (en) 1949-01-18
CH250900A (de) 1947-09-30
GB585780A (en) 1947-02-24

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