FR2320941A1 - Procede de preparation de l'acide 4,4'-diaminostilbene-2,2'-disulfonique et de ses sels - Google Patents

Procede de preparation de l'acide 4,4'-diaminostilbene-2,2'-disulfonique et de ses sels

Info

Publication number
FR2320941A1
FR2320941A1 FR7624655A FR7624655A FR2320941A1 FR 2320941 A1 FR2320941 A1 FR 2320941A1 FR 7624655 A FR7624655 A FR 7624655A FR 7624655 A FR7624655 A FR 7624655A FR 2320941 A1 FR2320941 A1 FR 2320941A1
Authority
FR
France
Prior art keywords
diaminostilbene
salts
preparation
disulphonic acid
disulphonic
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.)
Granted
Application number
FR7624655A
Other languages
English (en)
French (fr)
Other versions
FR2320941B1 (OSRAM
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.)
Nippon Kayaku Co Ltd
Original Assignee
Nippon Kayaku 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 Nippon Kayaku Co Ltd filed Critical Nippon Kayaku Co Ltd
Publication of FR2320941A1 publication Critical patent/FR2320941A1/fr
Application granted granted Critical
Publication of FR2320941B1 publication Critical patent/FR2320941B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
    • C07C309/01—Sulfonic acids
    • C07C309/28—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
    • C07C309/45—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton
    • C07C309/46—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton having the sulfo groups bound to carbon atoms of non-condensed six-membered aromatic rings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
FR7624655A 1975-08-13 1976-08-12 Procede de preparation de l'acide 4,4'-diaminostilbene-2,2'-disulfonique et de ses sels Granted FR2320941A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9752075A JPS5223053A (en) 1975-08-13 1975-08-13 Preparation of 4,4'-diaminostilbene- 2,2'-disulfonic acid and its salt s

Publications (2)

Publication Number Publication Date
FR2320941A1 true FR2320941A1 (fr) 1977-03-11
FR2320941B1 FR2320941B1 (OSRAM) 1979-09-28

Family

ID=14194522

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7624655A Granted FR2320941A1 (fr) 1975-08-13 1976-08-12 Procede de preparation de l'acide 4,4'-diaminostilbene-2,2'-disulfonique et de ses sels

Country Status (5)

Country Link
JP (1) JPS5223053A (OSRAM)
CH (1) CH615416A5 (OSRAM)
DE (1) DE2635852C2 (OSRAM)
FR (1) FR2320941A1 (OSRAM)
GB (1) GB1501070A (OSRAM)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2455394B2 (de) * 1973-12-03 1977-06-02 Sumitomo Chemical Co., Ltd., Osaka (Japan) Verfahren zur herstellung von dinatrium-4,4'-diaminostilben-2,2'-disulfonat

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
GB1501070A (en) 1978-02-15
DE2635852A1 (de) 1977-02-24
JPS5238031B2 (OSRAM) 1977-09-27
FR2320941B1 (OSRAM) 1979-09-28
CH615416A5 (en) 1980-01-31
DE2635852C2 (de) 1986-09-18
JPS5223053A (en) 1977-02-21

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Legal Events

Date Code Title Description
ST Notification of lapse