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GB1088305A - Method for the preparation of 2,5-dimethylhydroquinone - Google Patents

Method for the preparation of 2,5-dimethylhydroquinone

Info

Publication number
GB1088305A
GB1088305A GB1202166A GB1202166A GB1088305A GB 1088305 A GB1088305 A GB 1088305A GB 1202166 A GB1202166 A GB 1202166A GB 1202166 A GB1202166 A GB 1202166A GB 1088305 A GB1088305 A GB 1088305A
Authority
GB
United Kingdom
Prior art keywords
dimethylhydroquinone
preparation
diacetyl
prepared
heating
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
GB1202166A
Inventor
Walter Hafner
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.)
Consortium fuer Elektrochemische Industrie GmbH
Original Assignee
Consortium fuer Elektrochemische Industrie GmbH
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 Consortium fuer Elektrochemische Industrie GmbH filed Critical Consortium fuer Elektrochemische Industrie GmbH
Priority to GB1202166A priority Critical patent/GB1088305A/en
Publication of GB1088305A publication Critical patent/GB1088305A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/11—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms
    • C07C37/20—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms using aldehydes or ketones
    • 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
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/29—Development processes or agents therefor
    • G03C5/30—Developers
    • G03C5/3021—Developers with oxydisable hydroxyl or amine groups linked to an aromatic ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

2,5-Dimethylhydroquinone is prepared by heating diacetyl with an aq. hydrogen sulphite solution to at least 100 DEG C.
GB1202166A 1966-03-18 1966-03-18 Method for the preparation of 2,5-dimethylhydroquinone Expired GB1088305A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1202166A GB1088305A (en) 1966-03-18 1966-03-18 Method for the preparation of 2,5-dimethylhydroquinone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1202166A GB1088305A (en) 1966-03-18 1966-03-18 Method for the preparation of 2,5-dimethylhydroquinone

Publications (1)

Publication Number Publication Date
GB1088305A true GB1088305A (en) 1967-10-25

Family

ID=9996975

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1202166A Expired GB1088305A (en) 1966-03-18 1966-03-18 Method for the preparation of 2,5-dimethylhydroquinone

Country Status (1)

Country Link
GB (1) GB1088305A (en)

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