CH522650A - Process for the preparation of color couplers - Google Patents

Process for the preparation of color couplers

Info

Publication number
CH522650A
CH522650A CH488070A CH488070A CH522650A CH 522650 A CH522650 A CH 522650A CH 488070 A CH488070 A CH 488070A CH 488070 A CH488070 A CH 488070A CH 522650 A CH522650 A CH 522650A
Authority
CH
Switzerland
Prior art keywords
preparation
color couplers
couplers
color
Prior art date
Application number
CH488070A
Other languages
French (fr)
Inventor
Richards Abbott John
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of CH522650A publication Critical patent/CH522650A/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
    • 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
    • C07D231/44—Oxygen and nitrogen or sulfur and nitrogen atoms
    • C07D231/52—Oxygen atom in position 3 and nitrogen atom in position 5, or vice versa
    • 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)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
CH488070A 1969-04-02 1970-04-02 Process for the preparation of color couplers CH522650A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US81285369A 1969-04-02 1969-04-02
US966570A 1970-02-09 1970-02-09

Publications (1)

Publication Number Publication Date
CH522650A true CH522650A (en) 1972-06-30

Family

ID=26679755

Family Applications (1)

Application Number Title Priority Date Filing Date
CH488070A CH522650A (en) 1969-04-02 1970-04-02 Process for the preparation of color couplers

Country Status (5)

Country Link
JP (1) JPS4828690B1 (en)
BE (1) BE747827A (en)
CH (1) CH522650A (en)
DE (2) DE2015814A1 (en)
GB (1) GB1293640A (en)

Also Published As

Publication number Publication date
GB1293640A (en) 1972-10-18
DE2015867A1 (en) 1970-12-17
JPS4828690B1 (en) 1973-09-04
BE747827A (en) 1970-08-31
DE2015814A1 (en) 1970-10-29
DE2015867B2 (en) 1977-12-01
DE2015867C3 (en) 1978-07-27

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Legal Events

Date Code Title Description
PL Patent ceased