ES2053727T3 - Procedimiento mejorado de hidrogenacion para la preparacion de 4-aminofenol. - Google Patents

Procedimiento mejorado de hidrogenacion para la preparacion de 4-aminofenol.

Info

Publication number
ES2053727T3
ES2053727T3 ES88303825T ES88303825T ES2053727T3 ES 2053727 T3 ES2053727 T3 ES 2053727T3 ES 88303825 T ES88303825 T ES 88303825T ES 88303825 T ES88303825 T ES 88303825T ES 2053727 T3 ES2053727 T3 ES 2053727T3
Authority
ES
Spain
Prior art keywords
reaction zone
aminophenol
hydrogen
reaction
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.)
Expired - Lifetime
Application number
ES88303825T
Other languages
English (en)
Inventor
James Tzu Fen Kao
Ii Dwight Everette Raff
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.)
Noramco LLC
Original Assignee
Noramco LLC
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=21928873&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2053727(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Noramco LLC filed Critical Noramco LLC
Application granted granted Critical
Publication of ES2053727T3 publication Critical patent/ES2053727T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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

EL PROCESO PARA LA PRODUCCION DE 4-AMINOFENOL REDUCIENDO NITROBENCENO CON HIDROGENO EN UNA ZONA DE REACCION A UNA TEMPERATURA ALTA Y UNA PRESION MODERADA, EN PRESENCIA DE ACIDO SULFURICO ACUOSO, UN TENSIOACTIVO Y UN CATALIZADOR, SE MEJORA USANDO UN CATALIZADOR DE PLATINO SOBRE CARBONO; UTILIZANDO UNA ZONA DE REACCION QUE NO ESTE COMPLETAMENTE LLENA PARA QUE HAYA UN ESPACIO PARA EL VAPOR Y UN ESPACIO INFERIOR PARA LIQUIDO EN LA ZONA DE REACCION, E INTRODUCIENDO HIDROGENO EN EL ESPACIO PARA VAPOR DE DICHA ZONA DE REACCION; AGITANDO LA MEZCLA DE REACCION VIGOROSAMENTE MEDIANTE UN IMPULSOR COLOCADO ENTRE 40 Y 60% DE PROFUNDIDAD DEL LIQUIDO, PARA CONSEGUIR UNA VELOCIDAD DE HIDROGENACION QUE RESULTE EN UN INDICE DE EXPRESADO COMO GRAMOS DE 4-AMINOFENOL PRODUCIDOS POR MINUTO POR LITRO DE VOLUMEN DE REACCION DE 0,2 Y MAYOR.
ES88303825T 1987-04-29 1988-04-28 Procedimiento mejorado de hidrogenacion para la preparacion de 4-aminofenol. Expired - Lifetime ES2053727T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4378487A 1987-04-29 1987-04-29

Publications (1)

Publication Number Publication Date
ES2053727T3 true ES2053727T3 (es) 1994-08-01

Family

ID=21928873

Family Applications (1)

Application Number Title Priority Date Filing Date
ES88303825T Expired - Lifetime ES2053727T3 (es) 1987-04-29 1988-04-28 Procedimiento mejorado de hidrogenacion para la preparacion de 4-aminofenol.

Country Status (9)

Country Link
EP (1) EP0289297B1 (es)
JP (1) JP2591786B2 (es)
CN (1) CN1020092C (es)
AT (1) ATE86969T1 (es)
AU (1) AU610875B2 (es)
CA (1) CA1338726C (es)
DE (1) DE3879261T2 (es)
ES (1) ES2053727T3 (es)
GR (2) GR1000749B (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1050598C (zh) * 1996-07-16 2000-03-22 遵化市化肥厂 对氨基苯酚的制造方法
JP4335617B2 (ja) 2003-09-01 2009-09-30 セイコープレシジョン株式会社 光学機器用セクタ駆動装置
DE102008037111A1 (de) 2008-08-06 2010-02-11 Sms Siemag Aktiengesellschaft Kontinuierliche Schrottzuführung in einen elektrischen Schmelzofen (EAF)
CN113750569B (zh) * 2021-09-01 2022-04-29 连云港康乐药业有限公司 一种扑热息痛制备工艺中的脱色过滤装置及其脱色过滤方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1643255A (en) * 1925-10-17 1927-09-20 Standard Gas Equipment Corp Thermostatically-controlled valve mechanism
GB713622A (en) * 1951-12-05 1954-08-11 Du Pont Process for the preparation of aromatic parahydroxyamines
US2947781A (en) * 1953-06-10 1960-08-02 Du Pont Reduction process for preparing aromatic p-amino compounds
US2780647A (en) * 1953-07-20 1957-02-05 Du Pont Process for preparing hydroxy diphenylamines
US3383416A (en) * 1965-07-08 1968-05-14 Roland G. Benner Process for preparing aminophenol
FR1559841A (es) * 1968-01-30 1969-03-14
US4051187A (en) * 1975-03-05 1977-09-27 Oxamine, Inc. Method of producing aminophenol using a rhodium/carbon catalyst with synergistic quantities of rhodium, trichloride or rhodium tribromide
AU517567B2 (en) * 1977-12-13 1981-08-13 American Cyanamid Company 2-haloalkyl (oxy, thio, sulfinyl or sulfonyl) phenylalkanoic acids and esters thereof

Also Published As

Publication number Publication date
GR1000749B (el) 1992-12-30
AU1528688A (en) 1988-11-03
CN88102535A (zh) 1988-12-07
CA1338726C (en) 1996-11-19
JPS63280046A (ja) 1988-11-17
EP0289297A2 (en) 1988-11-02
GR1000215B (el) 1992-04-17
DE3879261D1 (de) 1993-04-22
DE3879261T2 (de) 1993-07-22
EP0289297A3 (en) 1990-05-23
CN1020092C (zh) 1993-03-17
EP0289297B1 (en) 1993-03-17
ATE86969T1 (de) 1993-04-15
GR880100281A (en) 1989-01-31
JP2591786B2 (ja) 1997-03-19
AU610875B2 (en) 1991-05-30

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