GB1283965A - Method of preparing derivatives of hydroxy benzoic acid - Google Patents

Method of preparing derivatives of hydroxy benzoic acid

Info

Publication number
GB1283965A
GB1283965A GB3920669A GB3920669A GB1283965A GB 1283965 A GB1283965 A GB 1283965A GB 3920669 A GB3920669 A GB 3920669A GB 3920669 A GB3920669 A GB 3920669A GB 1283965 A GB1283965 A GB 1283965A
Authority
GB
United Kingdom
Prior art keywords
benzoic acid
hydroxy benzoic
preparing derivatives
alkyl
aug
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
GB3920669A
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.)
SANEI CHEMICAL IND Ltd
Ricoh Co Ltd
Original Assignee
SANEI CHEMICAL IND Ltd
Ricoh Co 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 SANEI CHEMICAL IND Ltd, Ricoh Co Ltd filed Critical SANEI CHEMICAL IND Ltd
Publication of GB1283965A publication Critical patent/GB1283965A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G03C1/00—Photosensitive materials
    • G03C1/52—Compositions containing diazo compounds as photosensitive substances
    • G03C1/58—Coupling substances therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

1283965 Hydroxy benzoic acid derivatives RICOH KK and SANEI CHEMICAL INDUSTRIES Ltd 5 Aug 1969 [5 Aug 1968] 39206/69 Heading C2C Compounds of the formula where R is alkyl of 1-4 carbon atoms, are prepared by reacting 2,4,6-trihydroxybenzoic acid with an alkyl-arylsulphonate, in which the alkyl radical has 1-4 carbon atoms, in the presence of an alkali.
GB3920669A 1968-08-05 1969-08-05 Method of preparing derivatives of hydroxy benzoic acid Expired GB1283965A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5543568 1968-08-05

Publications (1)

Publication Number Publication Date
GB1283965A true GB1283965A (en) 1972-08-02

Family

ID=12998497

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3920669A Expired GB1283965A (en) 1968-08-05 1969-08-05 Method of preparing derivatives of hydroxy benzoic acid

Country Status (1)

Country Link
GB (1) GB1283965A (en)

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years