FR451927A - Process for the production of 1.2.4-purpurine-3-carboxylic acid - Google Patents

Process for the production of 1.2.4-purpurine-3-carboxylic acid

Info

Publication number
FR451927A
FR451927A FR451927DA FR451927A FR 451927 A FR451927 A FR 451927A FR 451927D A FR451927D A FR 451927DA FR 451927 A FR451927 A FR 451927A
Authority
FR
France
Prior art keywords
purpurine
production
carboxylic acid
carboxylic
acid
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
French (fr)
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.)
Bayer AG
Original Assignee
Farbenfabriken Vorm Friedr Bayer and 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 Farbenfabriken Vorm Friedr Bayer and Co filed Critical Farbenfabriken Vorm Friedr Bayer and Co
Application granted granted Critical
Publication of FR451927A publication Critical patent/FR451927A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
    • C09B1/02—Hydroxy-anthraquinones; Ethers or esters thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR451927D 1911-12-28 1912-12-14 Process for the production of 1.2.4-purpurine-3-carboxylic acid Expired FR451927A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE451927X 1911-12-28

Publications (1)

Publication Number Publication Date
FR451927A true FR451927A (en) 1913-05-02

Family

ID=1492207

Family Applications (1)

Application Number Title Priority Date Filing Date
FR451927D Expired FR451927A (en) 1911-12-28 1912-12-14 Process for the production of 1.2.4-purpurine-3-carboxylic acid

Country Status (1)

Country Link
FR (1) FR451927A (en)

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