FR2385683A1 - Procede de preparation de m-aminophenols utilisables pour la preparation de colorants - Google Patents

Procede de preparation de m-aminophenols utilisables pour la preparation de colorants

Info

Publication number
FR2385683A1
FR2385683A1 FR7809514A FR7809514A FR2385683A1 FR 2385683 A1 FR2385683 A1 FR 2385683A1 FR 7809514 A FR7809514 A FR 7809514A FR 7809514 A FR7809514 A FR 7809514A FR 2385683 A1 FR2385683 A1 FR 2385683A1
Authority
FR
France
Prior art keywords
preparation
dyes
aminophenols
usable
aminophenols usable
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.)
Withdrawn
Application number
FR7809514A
Other languages
English (en)
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.)
Hoechst AG
Original Assignee
Hoechst AG
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 Hoechst AG filed Critical Hoechst AG
Publication of FR2385683A1 publication Critical patent/FR2385683A1/fr
Withdrawn legal-status Critical Current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
    • C09B19/00—Oxazine dyes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

Procédé de préparation de m-aminophénols par réaction du résorcinol avec l'ammoniac ou des amines primaires ou secondaires. On effectue la réaction en présence d'une quantité catalytique d'acide phosphorique ou d'un de ses sels. Les m-amino-phénols ainsi obtenus peuvent être utilisés directement, sans purification particulière, pour la préparation de colorants ou d'azureurs optiques.
FR7809514A 1977-03-31 1978-03-31 Procede de preparation de m-aminophenols utilisables pour la preparation de colorants Withdrawn FR2385683A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772714255 DE2714255A1 (de) 1977-03-31 1977-03-31 Verfahren zur herstellung von m-aminophenolen und deren verwendung

Publications (1)

Publication Number Publication Date
FR2385683A1 true FR2385683A1 (fr) 1978-10-27

Family

ID=6005182

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7809514A Withdrawn FR2385683A1 (fr) 1977-03-31 1978-03-31 Procede de preparation de m-aminophenols utilisables pour la preparation de colorants

Country Status (4)

Country Link
JP (1) JPS53121728A (fr)
DE (1) DE2714255A1 (fr)
FR (1) FR2385683A1 (fr)
GB (1) GB1575860A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2663632A1 (fr) * 1990-06-23 1991-12-27 Basf Ag Procede pour reduire la formation de produits de desalkylation lors de la preparation de 3-dialkylaminophenols.
EP0514687A2 (fr) * 1991-05-23 1992-11-25 BASF Aktiengesellschaft Procédé pour la préparation des aminophénols N,N-disubstituées

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102924304A (zh) * 2012-10-26 2013-02-13 大连市旅顺口区江西化工工业总公司 一种间二甲氨基苯酚的制备方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2238320A (en) * 1938-05-28 1941-04-15 Wingfoot Corp Process for preparing secondary amines
US2376112A (en) * 1942-04-21 1945-05-15 Eastman Kodak Co Amination of dihydric phenols
GB619877A (en) * 1946-06-13 1949-03-16 Stanley Francis Birch Improvements in or relating to the production of aromatic amines
GB1541153A (en) * 1976-02-24 1979-02-21 Goodrich Co B F Production of diphenylamine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2238320A (en) * 1938-05-28 1941-04-15 Wingfoot Corp Process for preparing secondary amines
US2376112A (en) * 1942-04-21 1945-05-15 Eastman Kodak Co Amination of dihydric phenols
GB619877A (en) * 1946-06-13 1949-03-16 Stanley Francis Birch Improvements in or relating to the production of aromatic amines
GB1541153A (en) * 1976-02-24 1979-02-21 Goodrich Co B F Production of diphenylamine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2663632A1 (fr) * 1990-06-23 1991-12-27 Basf Ag Procede pour reduire la formation de produits de desalkylation lors de la preparation de 3-dialkylaminophenols.
EP0514687A2 (fr) * 1991-05-23 1992-11-25 BASF Aktiengesellschaft Procédé pour la préparation des aminophénols N,N-disubstituées
EP0514687A3 (en) * 1991-05-23 1993-03-17 Basf Aktiengesellschaft Process for the preparation of n,n-disubstituted m-aminophenols
US5245081A (en) * 1991-05-23 1993-09-14 Basf Aktiengesellschaft Preparation of n,n-disubstituted m-aminophenols

Also Published As

Publication number Publication date
GB1575860A (en) 1980-10-01
JPS53121728A (en) 1978-10-24
DE2714255A1 (de) 1978-10-05

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Legal Events

Date Code Title Description
ST Notification of lapse