US3178441A - Pyridyl-pyrazolidine 3-ones - Google Patents

Pyridyl-pyrazolidine 3-ones Download PDF

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Publication number
US3178441A
US3178441A US243598A US24359862A US3178441A US 3178441 A US3178441 A US 3178441A US 243598 A US243598 A US 243598A US 24359862 A US24359862 A US 24359862A US 3178441 A US3178441 A US 3178441A
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US
United States
Prior art keywords
phenyl
general formula
pyridyl
pyrazolidone
pyrazolidine
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 - Lifetime
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US243598A
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English (en)
Inventor
Ficken Geoffrey Ernest
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Ilford Imaging UK Ltd
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Ilford Ltd
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Filing date
Publication date
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Publication of US3178441A publication Critical patent/US3178441A/en
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    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/29Development processes or agents therefor
    • G03C5/30Developers
    • G03C5/3028Heterocyclic compounds
    • G03C5/3035Heterocyclic compounds containing a diazole ring
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/29Development processes or agents therefor
    • G03C5/305Additives other than developers

Definitions

  • R R and R are the same or different and are hydrogen atoms or hydrocarbon groups.
  • the compound l-phenyl- 3-pyrazolidone has received widespread commercial use, for which purpose it is customarily employed in association with another photographic developing substance with which it exhibits a superadditive effect.
  • it may be used in association with hydroquinone, hydroxyphenyl glycine, gentisic acid, ascorbic acid, reductone and other substances.
  • 3-pyrazolidone derivatives as defined below are extremely useful developing agents latl high vpI-l values and have a substantially greater solu- 1 ity.
  • R may be, for example, furyl, thienyl, pyrryl, indolyl, pyridyl, thiazolyl, piperidyl, morpholinyl, pyrrolidinyl or benziminazolyl.
  • R may be, for example, a phenyl group or an alkyl-, alkoxy-, halogenor other substituted phenyl group, or any of the heterocycles referred to above.
  • R -CH CH--COOR (IV) where R is a hydrocarbon group and the other symbols have the meanings hereinbefore assigned.
  • R with an orthophenylene diamine.
  • the new developing substances of the present inven-' tion may be used in the same manner as 1-phenyl-3- pyrazolidone, but at pH values above 9.5, in association with hydroquinone, hydroxyphenyl glycine, or any other known developing agent with which the new compounds exert a superadditive effect.
  • EXAMPLE 3 l-phenyl-5-4'-pyridylpyrazolidind-one
  • the method of Example 1 was used with ethyl 3-4- pyridylacrylate.
  • the pyrazolidin-3-one formed colourless plates, M. Pt. 161-162, by crystallisation from a mixture of ethanol and water.
  • EXAMPLE 4 1 -p-chlr0pIze1zyI-5 -3 '-pyridylpyrazolidin-3-0ne
  • EXAMPLE 5 1,5-bis-4-pyridylpyraz0lidin-3-0ne
  • a solution of sodium (3.2 g.) in ethanol 100 ml.) was refluxed for 16 hours with 4-hydrazinopyridine (11.5 g.) and ethyl 3-4-pyridylacrylate (18.7 g.).
  • the residue obtained after evaporation of the solvent under reduced pressure was refluxed with concentrated hydrochloric acid (80 ml.) for 2 /2 hours.
  • the cooled solution was filtered, and the filtrate treated with crystalline sodium acetate (100 g.).
  • EXAMPLE 8 5 -2-bcnzim inazolyl-I -phenyl pyraz0lidin-3-0r1e A mixture of 3-oxo-1-phenylpyrazolidine-S-carboxylic acid (5.0 g.), o-phenylene-diamine (2.62 g.), and 4 N hydrochloric acid (25 ml.) was refluxed for 2 hours.
  • the solution was filtered hot (charcoal), and the cooled filtrate was neutralised with aqueous ammonia.
  • EXAMPLE 9 5-2-benzimidaz0lyl-1-p-tolylpyraz0lidin-3-0ne hydrochloride A mixture of 3-oxo-1-p-tolylpyrazolidine-S-carboxylic acid (3.32 g.), o-phenylene diamine (1.63 g.), and 4 N hydrochloric acid (16 ml.) was refluxed for 2 hours. The crystalline solid which separated was collected after cooling the mixture, and was crystallised from dilute hydrochloric acid, to give the pyrazolidin-3-one hydrochloride a cream-coloured prisms, M. Pt. 265-267 (decomp).
  • EXAMPLE 10 The following is a suitable developer composition according to the invention:
  • R is selected from the group consisting of 2- pyridyl, 3-pyridyl and 4-pyridyl and R is selected from the class consisting of phenyl, halophen'yl and tolyl.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
US243598A 1961-12-19 1962-12-10 Pyridyl-pyrazolidine 3-ones Expired - Lifetime US3178441A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB45466/61A GB997033A (en) 1961-12-19 1961-12-19 Pyrazolidinone derivatives
GB45465/61A GB985653A (en) 1961-12-19 1961-12-19 Pyrazolidone derivatives

Publications (1)

Publication Number Publication Date
US3178441A true US3178441A (en) 1965-04-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
US243598A Expired - Lifetime US3178441A (en) 1961-12-19 1962-12-10 Pyridyl-pyrazolidine 3-ones

Country Status (4)

Country Link
US (1) US3178441A (xx)
DE (1) DE1445931A1 (xx)
GB (2) GB997033A (xx)
NL (1) NL286908A (xx)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4074051A (en) * 1971-12-08 1978-02-14 Minnesota Mining And Manufacturing Company 3-Pyrazolidinone derivatives
US4095024A (en) * 1975-01-31 1978-06-13 Imperial Chemical Industries Limited Process for the manufacture of 1-aryl-3-carboxypyrazolid-5-ones
US4550119A (en) * 1983-05-23 1985-10-29 Warner-Lambert Company 2,4-Dihydro-5-[(substituted)phenyl]-4,4-disubstituted-3H-pyrazol-3-ones
US4551538A (en) * 1984-12-20 1985-11-05 American Home Products Corporation Phenylpyrazolidine acetic acid derivatives
US5089515A (en) * 1986-11-20 1992-02-18 Mitsubishi Kasei Corporation Lipid-peroxide formation inhibiting composition and novel compounds useful therefor
CN101333191B (zh) * 2008-07-25 2013-04-03 浙江师范大学 一种2,5-二取代吡唑啉-3-酮类衍生物的制备方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2833779A (en) * 1956-10-29 1958-05-06 American Cyanamid Co Substituted pyrazoles
US2981623A (en) * 1954-03-15 1961-04-25 Agfa Ag Photographic developers
US3010827A (en) * 1956-12-22 1961-11-28 Agfa Ag Photographic developer
US3041343A (en) * 1959-10-14 1962-06-26 Sandoz Ltd 4-(thienyl-2'')-and 4-(pyridyl-3'')-5-aminopyrazoles

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2981623A (en) * 1954-03-15 1961-04-25 Agfa Ag Photographic developers
US2833779A (en) * 1956-10-29 1958-05-06 American Cyanamid Co Substituted pyrazoles
US3010827A (en) * 1956-12-22 1961-11-28 Agfa Ag Photographic developer
US3041343A (en) * 1959-10-14 1962-06-26 Sandoz Ltd 4-(thienyl-2'')-and 4-(pyridyl-3'')-5-aminopyrazoles

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4074051A (en) * 1971-12-08 1978-02-14 Minnesota Mining And Manufacturing Company 3-Pyrazolidinone derivatives
US4095024A (en) * 1975-01-31 1978-06-13 Imperial Chemical Industries Limited Process for the manufacture of 1-aryl-3-carboxypyrazolid-5-ones
US4550119A (en) * 1983-05-23 1985-10-29 Warner-Lambert Company 2,4-Dihydro-5-[(substituted)phenyl]-4,4-disubstituted-3H-pyrazol-3-ones
US4551538A (en) * 1984-12-20 1985-11-05 American Home Products Corporation Phenylpyrazolidine acetic acid derivatives
US5089515A (en) * 1986-11-20 1992-02-18 Mitsubishi Kasei Corporation Lipid-peroxide formation inhibiting composition and novel compounds useful therefor
CN101333191B (zh) * 2008-07-25 2013-04-03 浙江师范大学 一种2,5-二取代吡唑啉-3-酮类衍生物的制备方法

Also Published As

Publication number Publication date
NL286908A (xx)
DE1445931A1 (de) 1969-02-13
GB985653A (en) 1965-03-10
GB997033A (en) 1965-06-30

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