DE69418768D1 - Verfahren zur Herstellung von N-acylierten Aminophenolen - Google Patents

Verfahren zur Herstellung von N-acylierten Aminophenolen

Info

Publication number
DE69418768D1
DE69418768D1 DE69418768T DE69418768T DE69418768D1 DE 69418768 D1 DE69418768 D1 DE 69418768D1 DE 69418768 T DE69418768 T DE 69418768T DE 69418768 T DE69418768 T DE 69418768T DE 69418768 D1 DE69418768 D1 DE 69418768D1
Authority
DE
Germany
Prior art keywords
aminophenol
preparation
reactor
aminophenols
acylated
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 - Fee Related
Application number
DE69418768T
Other languages
English (en)
Other versions
DE69418768T2 (de
Inventor
James A Foster
Werner H Mueller
Debra A Ryan
Harmut Wiezer
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.)
CNA Holdings LLC
Original Assignee
Hoechst Celanese Corp
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 Celanese Corp filed Critical Hoechst Celanese Corp
Publication of DE69418768D1 publication Critical patent/DE69418768D1/de
Application granted granted Critical
Publication of DE69418768T2 publication Critical patent/DE69418768T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C231/00—Preparation of carboxylic acid amides
    • C07C231/02—Preparation of carboxylic acid amides from carboxylic acids or from esters, anhydrides, or halides thereof by reaction with ammonia or amines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DE69418768T 1993-04-30 1994-04-27 Verfahren zur Herstellung von N-acylierten Aminophenolen Expired - Fee Related DE69418768T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5655593A 1993-04-30 1993-04-30

Publications (2)

Publication Number Publication Date
DE69418768D1 true DE69418768D1 (de) 1999-07-08
DE69418768T2 DE69418768T2 (de) 1999-10-21

Family

ID=22005175

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69418768T Expired - Fee Related DE69418768T2 (de) 1993-04-30 1994-04-27 Verfahren zur Herstellung von N-acylierten Aminophenolen

Country Status (7)

Country Link
US (1) US5648535A (de)
EP (1) EP0622354B1 (de)
JP (1) JPH072746A (de)
CN (1) CN1054370C (de)
AT (1) ATE180767T1 (de)
DE (1) DE69418768T2 (de)
ES (1) ES2131604T3 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008142127A1 (en) * 2007-05-22 2008-11-27 Shell Internationale Research Maatschappij B.V. Process for converting levulinic acid into pentanoic acid
US9102589B2 (en) 2010-07-30 2015-08-11 Granules India Limited Reactive distillation process for preparation of acetaminophen
CN105753730A (zh) * 2016-04-06 2016-07-13 宜兴市新宇化工有限公司 2-氨基-4-氯-5-硝基苯酚的制备方法
FR3109580B1 (fr) 2020-04-27 2023-03-10 Ipsomedic Procédé de synthèse du paracétamol en continu
WO2021235335A1 (ja) * 2020-05-18 2021-11-25 株式会社エーピーアイ コーポレーション アセトアミノフェンの製造方法
CN112479914B (zh) * 2020-11-24 2023-05-09 蚌埠丰原医药科技发展有限公司 一种连续生产对乙酰氨基酚的装置和方法
CN118176177A (zh) * 2021-11-16 2024-06-11 株式会社Api 对乙酰氨基酚的制造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3076030A (en) * 1960-11-03 1963-01-29 Abbott Lab Process for the preparation of acetylaminophenols
US3341587A (en) * 1964-10-15 1967-09-12 Nepera Chemical Co Inc Process for the preparation of n-acetyl-p-aminophenol (apap)
US3383416A (en) * 1965-07-08 1968-05-14 Roland G. Benner Process for preparing aminophenol
US3917695A (en) * 1973-02-20 1975-11-04 Mallinckrodt Inc Preparation of N-acetyl-p-aminophenol
US4264525A (en) * 1979-07-02 1981-04-28 Penick Corporation Stepwise reduction of p-nitrophenol
US4670589A (en) * 1982-11-04 1987-06-02 Monsanto Company Preparation of N-acetyl-p-aminophenol
DE4215592A1 (de) * 1992-05-12 1993-11-18 Bayer Ag Verfahren zur Herstellung von N-acylierten p-Aminophenolen

Also Published As

Publication number Publication date
CN1108241A (zh) 1995-09-13
ATE180767T1 (de) 1999-06-15
EP0622354B1 (de) 1999-06-02
CN1054370C (zh) 2000-07-12
EP0622354A2 (de) 1994-11-02
US5648535A (en) 1997-07-15
EP0622354A3 (de) 1996-06-12
JPH072746A (ja) 1995-01-06
ES2131604T3 (es) 1999-08-01
DE69418768T2 (de) 1999-10-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee