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 (en:Method
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 (en:Method) 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 (en:Method)
CH (1) CH615416A5 (en:Method)
DE (1) DE2635852C2 (en:Method)
FR (1) FR2320941A1 (en:Method)
GB (1) GB1501070A (en:Method)

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 (en:Method) 1977-09-27
FR2320941B1 (en:Method) 1979-09-28
CH615416A5 (en) 1980-01-31
DE2635852C2 (de) 1986-09-18
JPS5223053A (en) 1977-02-21

Similar Documents

Publication Publication Date Title
RO70264A (ro) Procedeu pentru prepararea unor derivati ai acidului 1-alchil-5-aroilpirol-2-acetic
FR2296639A1 (fr) Procede de preparation de l'acide 7-d-(-)a-amino-a-(p-hydroxyphenylacetamido)-desacetoxycephalosporanique
LU79067A1 (fr) Procede de production de l'acide 5-methyltetrahydrofolique-d,1 et de ses sels
BE802541A (fr) Procede de preparation de l'acide phosphorique
BE793710A (fr) Procede de preparation d'acide (&)-trans-chrysanthemique
BE850523A (fr) Procede de preparation de sels d'acide 3,3-dimethyl-2-oxobutyrique
PT67088A (fr) Procede de preparation de derives de l'acide(phenyl-3-amino-2-propionyloxy)-2-acetique
BE748119A (fr) Procede de preparation de l'acide sulfamique et de ses sels
FR2310406A1 (fr) Procede de preparation de l'acide l (+)-tartrique
BE848143A (fr) Procede de preparation de l'acide cis-2-hydroxy-2-phenyl-r-1-cyclohexanecarboxylique,
BE817023A (fr) Procede de preparation d'acide poly-alpha-oxyacryliques et ses sels alcalins
BE846684A (fr) Nouveau procede de production de l'acide cyanurique
RO71431A (ro) Procedeu de preparare a derivatilor acidului pregnanic
FR2320941A1 (fr) Procede de preparation de l'acide 4,4'-diaminostilbene-2,2'-disulfonique et de ses sels
BE845261A (fr) Procede de preparation de sels de l'acide clavulanique
BE865774A (fr) Procede de preparation de l'acide 1-amino-8-naphtol-3,6-disulfonique (acide "h")
BE861693A (fr) Procede de reduction de l'acide 2,5-dicetogluconique
FR2316232A1 (fr) Procede de preparation d'acide 5-alcoyl-picolique
BE848376A (fr) Procede de preparation d'acide tetrafluoroborique concentre,
FR2317270A1 (fr) Procede de preparation de l'acide l-malique
FR2300824A1 (fr) Procede de preparation de l'acide diacetone-2-cetogulonique
BE815214A (fr) Procede de preparation d'acide 3-acetamido-5-amino-2
BE879262A (fr) Procede de preparation de l'acide di-n-propylacetique
BE801828A (fr) Procede ameliore de preparation de l'acide 1,12-didecanedioique
RO72171A (ro) Procedeu pentru prepararea sarurilor acidului 2,5-dihidroxibenzensulfonic

Legal Events

Date Code Title Description
ST Notification of lapse