FR2439766A1 - Procede perfectionne de preparation du para-aminophenol - Google Patents

Procede perfectionne de preparation du para-aminophenol

Info

Publication number
FR2439766A1
FR2439766A1 FR7922588A FR7922588A FR2439766A1 FR 2439766 A1 FR2439766 A1 FR 2439766A1 FR 7922588 A FR7922588 A FR 7922588A FR 7922588 A FR7922588 A FR 7922588A FR 2439766 A1 FR2439766 A1 FR 2439766A1
Authority
FR
France
Prior art keywords
aminophenol
para
preparation
trimethyldodecylammonium
improved process
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
FR7922588A
Other languages
English (en)
Other versions
FR2439766B1 (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.)
Mallinckrodt Inc
Original Assignee
Mallinckrodt Inc
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 Mallinckrodt Inc filed Critical Mallinckrodt Inc
Publication of FR2439766A1 publication Critical patent/FR2439766A1/fr
Application granted granted Critical
Publication of FR2439766B1 publication Critical patent/FR2439766B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C215/00—Compounds containing amino and hydroxy groups bound to the same carbon skeleton
    • C07C215/74—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton
    • C07C215/76—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton of the same non-condensed six-membered aromatic ring

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

LA PREPARATION DU PARA-AMINOPHENOL PAR HYDROGENATION CATALYTIQUE DU NITROBENZENE DANS UN MILIEU DE REACTION ACIDE CONTENANT UNE SOLUTION DE CHLORURE DE TRIMETHYLDODECYLAMMONIUM DANS UN MELANGE D'EAU ET D'ALCOOL ISOPROPYLIQUE ENTRAINE LA FORMATION D'IMPURETES DE CHLORO- ET D'ISOPROPOXY-ANILINES. CES DERNIERES FINISSENT PAR DONNER L'ANILINE COMME SOUS-PRODUIT. LE REMPLACEMENT DU SEL QUATERNAIRE PAR DU SULFATE DE DIMETHYLDODECYLAMINE PERMET D'ELIMINER CES IMPURETES SANS EFFET DEFAVORABLE IMPORTANT SUR LE RENDEMENT, LA VITESSE DE PRODUCTION OU LA PURETE DU PARA-AMINOPHENOL. LE PARA-AMINOPHENOL EST UN INTERMEDIAIRE DE PREPARATION D'UN ANALGESIQUE, L'ACETAMINOPHENE.
FR7922588A 1978-10-27 1979-09-10 Procede perfectionne de preparation du para-aminophenol Granted FR2439766A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/955,442 US4176138A (en) 1978-10-27 1978-10-27 Process for preparing p-aminophenol in the presence of dimethyldodecylamine sulfate

Publications (2)

Publication Number Publication Date
FR2439766A1 true FR2439766A1 (fr) 1980-05-23
FR2439766B1 FR2439766B1 (fr) 1981-11-20

Family

ID=25496830

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7922588A Granted FR2439766A1 (fr) 1978-10-27 1979-09-10 Procede perfectionne de preparation du para-aminophenol

Country Status (12)

Country Link
US (1) US4176138A (fr)
JP (1) JPS5559145A (fr)
BE (1) BE879663A (fr)
CA (1) CA1115295A (fr)
CH (1) CH643235A5 (fr)
DE (1) DE2943360A1 (fr)
FR (1) FR2439766A1 (fr)
GB (1) GB2032427B (fr)
GR (1) GR65673B (fr)
IT (1) IT1120037B (fr)
NL (1) NL188524C (fr)
SE (1) SE7907676L (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4307249A (en) * 1981-01-07 1981-12-22 Mallinckrodt, Inc. Process for the selective preparation of p-aminophenol from nitrobenzene
US4415753A (en) * 1982-01-29 1983-11-15 Mallinckrodt, Inc. Process for preparing p-aminophenol and alkyl substituted p-aminophenol
US4571437A (en) * 1982-01-29 1986-02-18 Mallinckrodt, Inc. Process for preparing p-aminophenol and alkyl substituted p-aminophenol
JPH0261799A (ja) * 1988-08-26 1990-03-01 Fujitsu Ten Ltd 車間距離制御装置
FR2688001B1 (fr) * 1992-02-28 1994-05-20 Rhone Poulenc Chimie Procede de preparation de p-aminophenols.
US5312991A (en) * 1992-06-09 1994-05-17 Mallinckrodt Specialty Chemicals Company Surfactant improvement for para-aminophenol process
CN115197074A (zh) * 2022-06-28 2022-10-18 辽宁世星药化有限公司 一种对氨基苯酚的生产方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1071868A (fr) * 1951-12-05 1954-09-06 Du Pont Perfectionnements à la préparation du p-aminophénol

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2198249A (en) * 1938-10-13 1940-04-23 Du Pont Reduction of aryl nitro compounds
US2765342A (en) * 1952-10-22 1956-10-02 Du Pont Manufacture of aromatic parahydroxyamines
GB856366A (en) * 1958-05-12 1960-12-14 Ici Ltd Process for the production of p-aminophenol from nitrobenzene
US3383416A (en) * 1965-07-08 1968-05-14 Roland G. Benner Process for preparing aminophenol
US3535382A (en) * 1967-11-02 1970-10-20 Cpc International Inc Amino phenol production
FR1559841A (fr) * 1968-01-30 1969-03-14

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1071868A (fr) * 1951-12-05 1954-09-06 Du Pont Perfectionnements à la préparation du p-aminophénol

Also Published As

Publication number Publication date
NL188524C (nl) 1992-07-16
FR2439766B1 (fr) 1981-11-20
US4176138A (en) 1979-11-27
IT7950500A0 (it) 1979-10-09
NL7907758A (nl) 1980-04-29
CA1115295A (fr) 1981-12-29
GB2032427A (en) 1980-05-08
JPS6228950B2 (fr) 1987-06-23
GR65673B (en) 1980-10-16
SE7907676L (sv) 1980-04-28
BE879663A (fr) 1980-02-15
CH643235A5 (de) 1984-05-30
DE2943360A1 (de) 1980-05-08
JPS5559145A (en) 1980-05-02
DE2943360C2 (fr) 1992-01-16
IT1120037B (it) 1986-03-19
NL188524B (nl) 1992-02-17
GB2032427B (en) 1982-11-10

Similar Documents

Publication Publication Date Title
FR2452475A1 (fr) Procede pour purifier des esters
BE1002791A3 (fr) Procede de fabrication d'un support de catalyseur a base d'aluminosilicates.
FR2439766A1 (fr) Procede perfectionne de preparation du para-aminophenol
FR2390417A1 (fr) Procede de production de vinylcyclopropanecarboxylates de benzyle substitues
Hongo et al. Asymmetric transformation of DL-p-hydroxyphenylglycine by a combination of preferential crystallization and simultaneous racemization of the o-toluenesulfonate.
FR2366361A1 (fr) Procede de production de dextrose en poudre et produit obtenu
FR2369211A1 (fr) Procede de preparation d'un acide phosphorique de purete elevee
CN114671784A (zh) 一种由丙烯腈制备牛磺酸的方法
FR2369236A1 (fr) Procede pour la production de glycerine
US4611088A (en) Process for preparing D-α-(6-methoxy-2-naphtyl) propionic acid
SU1039891A1 (ru) Реагент дл подавлени роста сульфатвосстанавливающих бактерий в водных средах
BE1013120A5 (fr) Procede pour la preparation de 2-amino-5-alkyl-phenols.
US3410896A (en) Process for the preparation of phenylalanine
JPS6113706B2 (fr)
FR2413364A1 (fr) Procede de preparation du chlorhydrate d'imino-isobutyrate de methyle
SU40359A1 (ru) Способ получени фенолфталеина
FR2362814A1 (fr) Procede de preparation de sels d'acides dicarboxyliques et de diamines
FR2398064A1 (fr) Nouveau procede de preparation de la 5,6-diamino-uracile a partir de la 5-nitroso-6-amino-uracile
SU783362A1 (ru) Раствор дл получени разделительного сло
SU631513A1 (ru) Способ получени алициклических диаминов
FR2376069A1 (fr) Procede de traitement en continu des acides nitriques issus de la fabrication des derives nitres des alkylphenols
IT987455B (it) Procedimento per purificare p nitrofenolo
CH414672A (fr) Procédé de préparation d'un sel de pholcodine
CH414666A (fr) Procédé de préparation de l'acide homocystéique
SU76318A1 (ru) Способ получени формилгиппурового эфира