KR910000596A - 4-클로로-2,5-디메톡시아닐린의 제조방법 - Google Patents

4-클로로-2,5-디메톡시아닐린의 제조방법 Download PDF

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KR910000596A
KR910000596A KR1019890008542A KR890008542A KR910000596A KR 910000596 A KR910000596 A KR 910000596A KR 1019890008542 A KR1019890008542 A KR 1019890008542A KR 890008542 A KR890008542 A KR 890008542A KR 910000596 A KR910000596 A KR 910000596A
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carried out
reduction reaction
process according
chloro
reduction
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KR1019890008542A
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KR0127755B1 (ko
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바르닝 클라우스
하비그 쿠르트
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하인리히 벡커, 베른하르트 벡크
훽스트 아크티엔게젤샤프트
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C217/00—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton
    • C07C217/78—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton
    • C07C217/80—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of non-condensed six-membered aromatic rings
    • C07C217/82—Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton having amino groups and etherified hydroxy groups bound to carbon atoms of non-condensed six-membered aromatic rings of the same non-condensed six-membered aromatic ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C213/00—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton
    • C07C213/02—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton by reactions involving the formation of amino groups from compounds containing hydroxy groups or etherified or esterified hydroxy groups

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

Abstract

내용 없음

Description

4-클로로-2,5-디메톡시아닐린의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (8)

  1. 변형된 탄소-상-백금촉매의 존재하에, 수용액의 pH를 8 내지 10으로 조절하는 약 0.01 내지 약2몰의 화합물의 존재하에, 및 촉매적 환원에 사용되는 4-클로로-2,5-디메톡시니트로벤젠에 대해 약 0.1 내지 약 1.0중량%의 지방족 개방쇄 일급, 이급 또는 3급 아민 또는 사이클릭 아민의 존재하에, 방향족 용매중에서 약80 내지 약 110°C의 온도에서 및 약 5 내지 약 50기압의 압력에서 환원반응을 수행함을 특징으로 하여, 4-클로로-2,5-디메톡시니트로벤젠을 액체상증, 승압 및 승온하에, 수소로 촉매적 환원시켜 4-클로로-2,5-디메톡시아닐린을 제조하는 방법.
  2. 제1항에 있어서, 환원반응을 일반식(1), (2), (3) 또는 (4)의 아민의 존재하에서 수행하는 방법.
    상기식에서, n 및 m은 1 내지 6이고, z 및 p는 1 내지 4이다.
  3. 제1항에 있어서, 환원반응을 피레리딘, 피페라진 또는 모로폴린의 존재하에 수행하는 방법.
  4. 제1항 또는 제2항에 있어서, 환원반응을 테트라메틸렌디아민의 존재하에 수행하는 방법.
  5. 제1항 내지 4항중 어느 한 항에 있어서, 환원반응을 설파이트화된 탄소-상-백금촉매의 존재하에 수행하는 방법.
  6. 제1항 내지 5항중 어느 한 항에 있어서, 환원반응을 인산수소이나트륨의 존재하에 수행하는 방법
  7. 제1항 내지 5항중 어느 한 항에 있어서, 환원반응을 수산화나트륨의 존재하에 수행하는 방법.
  8. 제1항 내지 7항중 어느 한 항에 있어서, 환원반응을 톨루엔, 크실렌 또는 크실렌의 혼합물중에서 수행하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890008542A 1988-06-22 1989-06-21 4-클로로-2.5-디메톡시아닐린의 제조방법 KR0127755B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP3821013.4 1988-06-22
DE3821013A DE3821013A1 (de) 1988-06-22 1988-06-22 Verfahren zur herstellung von 4-chlor-2,5-dimethoxyanilin

Publications (2)

Publication Number Publication Date
KR910000596A true KR910000596A (ko) 1991-01-29
KR0127755B1 KR0127755B1 (ko) 1998-04-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890008542A KR0127755B1 (ko) 1988-06-22 1989-06-21 4-클로로-2.5-디메톡시아닐린의 제조방법

Country Status (5)

Country Link
US (1) US5041671A (ko)
EP (1) EP0347796B1 (ko)
JP (1) JP2754243B2 (ko)
KR (1) KR0127755B1 (ko)
DE (2) DE3821013A1 (ko)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0526444D0 (en) * 2005-12-23 2006-02-08 Sandoz Ag Sertraline acid addition salt, its prepartion and its use in the preparation of sertraline hydrochloride form ll
TR200808115T1 (tr) * 2006-04-28 2009-03-23 Sandoz Ag 4(S,R)-(3,4-diklorofenil)-3,4-dihidro-l(2H)-naftalin-l-ilid n]metilamin'ın Hazırlanması için Proses.@
CN101462967B (zh) * 2009-01-15 2014-04-02 青岛科技大学 一种多卤代芳胺化合物转化的方法
CN103748066B (zh) * 2011-06-13 2017-06-20 安格斯化学公司 烷基二胺的制备方法
CN102344380A (zh) * 2011-07-29 2012-02-08 江苏力达宁化工有限公司 一种液相催化加氢法制备2,5-二甲氧基-4-氯苯胺方法
CN104557574B (zh) * 2013-10-28 2017-03-01 中国石油化工股份有限公司 一种制备2,5‑二甲氧基‑4‑氯苯胺的方法
CN105601523B (zh) * 2016-03-15 2018-03-13 辽宁大学 一种合成2,5‑二甲氧基‑4‑氯苯胺的方法
US20200290024A1 (en) * 2016-03-23 2020-09-17 N.E. Chemcat Corporation Catalyst mixture
EP3434366A4 (en) 2016-03-23 2019-10-30 N.E. Chemcat Corporation REACTION COMPOSITION AND REACTION SYSTEM USING THEREOF
CN106045864A (zh) * 2016-05-17 2016-10-26 洛阳卓特化工有限公司 一种用水合肼催化还原法制备4‑氯‑2,5‑二甲氧基苯胺的生产工艺
CN108997138A (zh) * 2018-08-17 2018-12-14 济南和润化工科技有限公司 一种无溶剂催化氢化法生产对氟苯胺的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3145231A (en) * 1962-04-09 1964-08-18 Du Pont Process for the reduction of halo nitro aromatic compounds
CS188122B2 (en) * 1971-02-08 1979-02-28 Kurt Habig Method of production the sulfide catalysts with the platinum on coal
BE791300A (fr) * 1971-11-11 1973-05-14 Hoechst Ag Procede de preparation de la chloro-4 dimethoxy-2,5 aniline
US4070401A (en) * 1972-02-19 1978-01-24 Mitsui Toatsu Chemicals Inc. Method for the preparation of a halogenated aromatic amine
DE2455704C3 (de) * 1974-11-25 1978-06-08 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung von 4-Chlor-23-dimethoxy anilin
DE2521303B2 (de) * 1975-05-13 1977-09-22 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von 2,5-dimethoxy-4-chloranilin
DE2549900C3 (de) * 1975-11-06 1981-02-05 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung chlorierter aromatischer Amine

Also Published As

Publication number Publication date
EP0347796A2 (de) 1989-12-27
JPH0245452A (ja) 1990-02-15
JP2754243B2 (ja) 1998-05-20
KR0127755B1 (ko) 1998-04-02
DE3821013A1 (de) 1989-12-28
EP0347796B1 (de) 1993-08-04
US5041671A (en) 1991-08-20
DE58905117D1 (de) 1993-09-09
EP0347796A3 (de) 1991-01-02

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