FR2398724A1 - Perfectionnements a la preparation d'acide 2-amino-1-naphtalenesulfonique ou acide de tobias - Google Patents

Perfectionnements a la preparation d'acide 2-amino-1-naphtalenesulfonique ou acide de tobias

Info

Publication number
FR2398724A1
FR2398724A1 FR7822222A FR7822222A FR2398724A1 FR 2398724 A1 FR2398724 A1 FR 2398724A1 FR 7822222 A FR7822222 A FR 7822222A FR 7822222 A FR7822222 A FR 7822222A FR 2398724 A1 FR2398724 A1 FR 2398724A1
Authority
FR
France
Prior art keywords
acid
degrees
mixture
tobias
preparation
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.)
Pending
Application number
FR7822222A
Other languages
English (en)
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.)
Wyeth Holdings LLC
Original Assignee
American Cyanamid 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 American Cyanamid Co filed Critical American Cyanamid Co
Publication of FR2398724A1 publication Critical patent/FR2398724A1/fr
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
    • C07C303/32—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of salts of sulfonic acids
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
    • C07C303/42—Separation; Purification; Stabilisation; Use of additives
    • C07C303/44—Separation; Purification
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR7822222A 1977-07-29 1978-07-27 Perfectionnements a la preparation d'acide 2-amino-1-naphtalenesulfonique ou acide de tobias Pending FR2398724A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82005777A 1977-07-29 1977-07-29

Publications (1)

Publication Number Publication Date
FR2398724A1 true FR2398724A1 (fr) 1979-02-23

Family

ID=25229775

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7822222A Pending FR2398724A1 (fr) 1977-07-29 1978-07-27 Perfectionnements a la preparation d'acide 2-amino-1-naphtalenesulfonique ou acide de tobias

Country Status (4)

Country Link
JP (1) JPS5427554A (de)
DE (1) DE2831992A1 (de)
FR (1) FR2398724A1 (de)
GB (1) GB2001644B (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2398725A1 (fr) * 1977-07-29 1979-02-23 American Cyanamid Co Perfectionnements a la preparation d'acide 2-amino-1-naphtalenesulfonique
FR2398723A1 (fr) * 1977-07-29 1979-02-23 American Cyanamid Co Procede de preparation d'acide 2-amino-1-naphtalenesulfonique ou acide de tobias
FR2398722A1 (fr) * 1977-07-29 1979-02-23 American Cyanamid Co Perfectionnements a la preparation de solutions aqueuses de sels alcalins de l'acide 2-hydroxy-1-naphtalenesulfonique
FR2398721A1 (fr) * 1977-07-29 1979-02-23 American Cyanamid Co Procede de preparation de solutions aqueuses de sels alcalins de l'acide 2-hydroxy-1-naphtalenesulfonique
FR2398726A1 (fr) * 1977-07-29 1979-02-23 American Cyanamid Co Procede de preparation d'acide 2-amino-1-naphtalenesulfonique

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3070185D1 (en) * 1979-12-20 1985-03-28 Ciba Geigy Ag Process for the preparation of 2-amino-1-naphthalene sulfonic acid

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2058911A (en) * 1931-12-08 1936-10-27 Nat Aniline & Chem Co Inc Process for the purification of naphthylamine sulphonic acid
FR1182010A (fr) * 1956-09-05 1959-06-22 Gen Aniline & Film Corp Procédé de préparation de l'acide bêta-naphtol-sulfonique
DE2330716A1 (de) * 1973-01-12 1974-08-01 Bitterfeld Chemie Vorrichtung zur kontinuierlichen durchfuehrung von reaktionen in fluessiger phase, sowie deren anwendung fuer verschiedene chemische verfahren
DE2610545A1 (de) * 1975-03-14 1976-09-30 American Cyanamid Co Verfahren zur herstellung von tobias-saeure
FR2398722A1 (fr) * 1977-07-29 1979-02-23 American Cyanamid Co Perfectionnements a la preparation de solutions aqueuses de sels alcalins de l'acide 2-hydroxy-1-naphtalenesulfonique
FR2398727A1 (fr) * 1977-07-29 1979-02-23 American Cyanamid Co Procede de preparation d'acide de tobias ou acide 2-amino-1-naphtalenesulfonique
FR2398721A1 (fr) * 1977-07-29 1979-02-23 American Cyanamid Co Procede de preparation de solutions aqueuses de sels alcalins de l'acide 2-hydroxy-1-naphtalenesulfonique
FR2398725A1 (fr) * 1977-07-29 1979-02-23 American Cyanamid Co Perfectionnements a la preparation d'acide 2-amino-1-naphtalenesulfonique
FR2398723A1 (fr) * 1977-07-29 1979-02-23 American Cyanamid Co Procede de preparation d'acide 2-amino-1-naphtalenesulfonique ou acide de tobias

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2058911A (en) * 1931-12-08 1936-10-27 Nat Aniline & Chem Co Inc Process for the purification of naphthylamine sulphonic acid
FR1182010A (fr) * 1956-09-05 1959-06-22 Gen Aniline & Film Corp Procédé de préparation de l'acide bêta-naphtol-sulfonique
DE2330716A1 (de) * 1973-01-12 1974-08-01 Bitterfeld Chemie Vorrichtung zur kontinuierlichen durchfuehrung von reaktionen in fluessiger phase, sowie deren anwendung fuer verschiedene chemische verfahren
DE2610545A1 (de) * 1975-03-14 1976-09-30 American Cyanamid Co Verfahren zur herstellung von tobias-saeure
FR2398722A1 (fr) * 1977-07-29 1979-02-23 American Cyanamid Co Perfectionnements a la preparation de solutions aqueuses de sels alcalins de l'acide 2-hydroxy-1-naphtalenesulfonique
FR2398727A1 (fr) * 1977-07-29 1979-02-23 American Cyanamid Co Procede de preparation d'acide de tobias ou acide 2-amino-1-naphtalenesulfonique
FR2398721A1 (fr) * 1977-07-29 1979-02-23 American Cyanamid Co Procede de preparation de solutions aqueuses de sels alcalins de l'acide 2-hydroxy-1-naphtalenesulfonique
FR2398725A1 (fr) * 1977-07-29 1979-02-23 American Cyanamid Co Perfectionnements a la preparation d'acide 2-amino-1-naphtalenesulfonique
FR2398723A1 (fr) * 1977-07-29 1979-02-23 American Cyanamid Co Procede de preparation d'acide 2-amino-1-naphtalenesulfonique ou acide de tobias

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2398725A1 (fr) * 1977-07-29 1979-02-23 American Cyanamid Co Perfectionnements a la preparation d'acide 2-amino-1-naphtalenesulfonique
FR2398723A1 (fr) * 1977-07-29 1979-02-23 American Cyanamid Co Procede de preparation d'acide 2-amino-1-naphtalenesulfonique ou acide de tobias
FR2398722A1 (fr) * 1977-07-29 1979-02-23 American Cyanamid Co Perfectionnements a la preparation de solutions aqueuses de sels alcalins de l'acide 2-hydroxy-1-naphtalenesulfonique
FR2398721A1 (fr) * 1977-07-29 1979-02-23 American Cyanamid Co Procede de preparation de solutions aqueuses de sels alcalins de l'acide 2-hydroxy-1-naphtalenesulfonique
FR2398726A1 (fr) * 1977-07-29 1979-02-23 American Cyanamid Co Procede de preparation d'acide 2-amino-1-naphtalenesulfonique

Also Published As

Publication number Publication date
DE2831992A1 (de) 1979-02-08
JPS5427554A (en) 1979-03-01
GB2001644B (en) 1982-02-10
GB2001644A (en) 1979-02-07

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