KR960007547A - 불화 방향족 아민 및 특히 낮은 함량의 탈불화 성분을 함유하는 불화 방향족 아민의 선택적 제조 방법 - Google Patents

불화 방향족 아민 및 특히 낮은 함량의 탈불화 성분을 함유하는 불화 방향족 아민의 선택적 제조 방법 Download PDF

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KR960007547A
KR960007547A KR1019950024787A KR19950024787A KR960007547A KR 960007547 A KR960007547 A KR 960007547A KR 1019950024787 A KR1019950024787 A KR 1019950024787A KR 19950024787 A KR19950024787 A KR 19950024787A KR 960007547 A KR960007547 A KR 960007547A
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compound
formula
fluorinated aromatic
alkyl
aromatic amines
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킬 볼프강
파에쯔 클라우스-크리스티안
뮐러 니콜라우스
키쎄너 볼프람
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만프레드 조벨·볼프강 페트로비키
바이엘 악티엔게젤샤프트
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    • C07C229/56—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the same carbon skeleton with amino and carboxyl groups bound to carbon atoms of the same non-condensed six-membered aromatic ring with amino and carboxyl groups bound in ortho-position
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    • B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
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    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/30—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds
    • C07C209/32—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups
    • C07C209/36—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of nitrogen-to-oxygen or nitrogen-to-nitrogen bonds by reduction of nitro groups by reduction of nitro groups bound to carbon atoms of six-membered aromatic rings in presence of hydrogen-containing gases and a catalyst
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    • C07C211/43—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
    • C07C211/44—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring
    • C07C211/52—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton having amino groups bound to only one six-membered aromatic ring the carbon skeleton being further substituted by halogen atoms or by nitro or nitroso groups
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    • 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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Abstract

불화 방향족 니트로 화합물은 니켈, 코발트 및 귀금속으로 이루어진 군으로부터의 적어도 1종의 금속 또는 금속 화합물을 함유하는 촉매의 존재 및 적어도 1개의 식 R1-S(O)n-R2의 황 화합물의 존재하에서 액체상에서 수소화를 수행함으로써 촉매 수소화되어 불화 방향족 아민을 생성한다. 이렇게 생성된 불화 방향족 아민은 매우 순수하고 특히 탈불화 생성물을 소량 함유한다.

Description

불화 방향족 아민 및 특히 낮은 함량의 탈불화 성분을 함유하는 불화 방향족 아민의 선택적 제조 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (10)

  1. 니켈, 코발트 및 귀금속으로 이루어진 군으로부터의 적어도 1종의 금속 또는 금속 화합물을 함유하는 촉매의 존재하 및 적어도 1개의 하기 식 (I)의 황 화합물의 존재하에서 액체상에서 수소화를 수행하는 것을 특징으로 하는, 촉매 존재하에서의 불화 방향족 니트로 화합물의 촉매 수소화 방법.
    R1-S(O)n-R2(I)
    상기 식에서, R1및 R2는 상호 독립적으로 직쇄 또는 분지쇄 C1-C12-알킬, 히드록시 -C1-C12-알킬, 카르복시 -C1-C12-알킬 또는 페닐을 나타내고, R1은 부가적으로 수소 또는 CO-C1-C12-알킬을 나타낼 수 있으며, R1및 R2는 또한 함께 -CH=CH-CH=CH-, -(CH2)4-, -(CH2)5- 또는 -(CH2)2-X-(CH2)2- (여기서, X는 산소 또는 황임)을 나타낼 수 있고, n은 0 또는 1을 나타낸다.
  2. 제1항에 있어서, 하기 식 (Ⅱ)의 불화 방향족 니트로 화합물을 사용하여 하기 식 (Ⅲ)의 상응하는 불화 방향족 아민을 제조하는 것을 특징으로 하는 방법.
    상기 식에서, R3, R4, R5및 R6는 상호 독립적으로 H, COOH, 할로겐, NH2, NO2, OH, CCl3, CF3또는 C1-C10-알킬, C6-C10-아릴, C7-C14-아랄킬 또는 C6-C10-아릴술포닐을 나타내며, 이들 각각은 1 내지 2개의 히드록시, 아미노, 니트릴 또는 카르복실기에 의해 임의로 치환될 수 있다.
  3. 제2항에 있어서, R3내지 R6, R3내지 R5또는 R3및 R4는 수소를 나타내고 R3내지 R6기 중에서 나머지 라디칼은 상호 독립적으로 COOH, F, Cl, NH2, NO2, OH, CCl3또는 CF3를 나타내는 식 (Ⅱ)의 화합물을 사용하는 것을 특징으로 하는 방법.
  4. 제1항 내지 제3항 중 어느 한 항에 있어서, 3-플루오로벤조산을 100% 농도의 황산에 용해시키고, 5 내지 20℃에서 약 2 내지 10시간에 걸쳐 혼합 산(황산 67%/질산 33%)을 적가하고, 이 혼합물을 동일한 온도에서 30분 내지 2시간 더 교반한 후, 온도가 60℃가 넘지 않도록 하면서 반응 혼합물을 물에 붓고, 혼합물을 실온으로 냉각 및 여과시키고 여과 케이크를 물로 세척한 후 건조시켜 얻은 5-플루오로-2-니트로벤조산을 사용하는 것을 특징으로 하는 방법.
  5. 제1항 내지 제4항 중 어느 한 항에 있어서, 식 (I)에서 R1및 R2는 동일하며 히드록시-C1-C6-알킬을 나타내는 것을 특징으로 하는 방법.
  6. 제1항 내지 제5항 중 어느 한 항에 있어서, 촉매가 루테늄, 로듐, 팔라듐, 오스뮴, 이리듐, 플라티늄, 니켈 또는 코발트를 함유하는 것을 특징으로 하는 방법.
  7. 제2항 내지 제6항 중 어느 한 항에 있어서, 식 (Ⅱ)의 화합물을 기초로하여 귀금속 촉매 0.02 내지 3중량%를 사용하고, 촉매에 기초하여 식 (I)의 화합물을 0.001 내지 0.125:1의 중량비로 사용하고, 물, 탄소수 1 내지 6의 알콜 또는 탄소수 6 내지 10의 방향족 탄화수소를 용매로 사용하는 것을 특징으로 하는 방법.
  8. 제1항 내지 제7항 중 어느 한 항에 있어서, 수소화를 30 내지 250℃ 및 3 내지 300바아의 H2압력하에서 수행하는 것을 특징으로 하는 방법.
  9. 순도 96% 이상이며 탈불화 생성물 함량이 0.1% 미만인 하기 식 (Ⅲ)의 불화 방향족 아민.
    상기 식에서, R3, R4, R5및 R6는 제2항에서 정의한 바와 같다.
  10. 순도 99% 이상이며 탈불화 생성물 함량이 0.01% 미만인 5-플루오로안트라닐산.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950024787A 1994-08-12 1995-08-11 불화 방향족 아민 및 특히 낮은 함량의 탈불화 성분을 함유하는 불화 방향족 아민의 선택적 제조 방법 KR960007547A (ko)

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DEP4428535.3 1994-08-12
DE4428535A DE4428535A1 (de) 1994-08-12 1994-08-12 Verfahren zur selektiven Herstellung von fluorierten aromatischen Aminen und fluorierte aromatische Amine mit besonders niedrigen Gehalten an defluorierten Anteilen

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CN113289660A (zh) * 2021-05-31 2021-08-24 浙江树人学院（浙江树人大学） 一种核壳结构负载型催化剂及其制备方法和应用

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US3397229A (en) * 1963-12-04 1968-08-13 Gaf Corp Nitration of benzoic acid and its chlorinated derivatives
BE789749A (fr) * 1971-10-08 1973-02-01 Degussa Procede pour la preparation d'un catalyseur contenant un metal noble supporte sur charbon actif pour l'hydrogenation selective de composes chloronitroaromatiques et catalyseur obtenu
DE2549900C3 (de) * 1975-11-06 1981-02-05 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung chlorierter aromatischer Amine
EP0000805A1 (en) * 1977-08-13 1979-02-21 The Clayton Aniline Company Limited Catalytic hydrogenation process for the manufacture of chlorinated aromatic amines
GB8429739D0 (en) 1984-11-24 1985-01-03 Fbc Ltd Fungicides
KR910003630B1 (ko) * 1988-06-17 1991-06-07 한국과학기술원 벤조일 아세틱 에스테르 유도체 및 그 제조방법
FR2649979B1 (fr) * 1989-07-20 1992-01-17 Rhone Poulenc Chimie Procede d'hydrogenation de derives halogeno nitroaromatiques en presence d'un derive soufre
JP3227828B2 (ja) * 1992-09-30 2001-11-12 富士通株式会社 多層薄膜デバイスと薄膜の接続方法
DE4334431A1 (de) * 1993-10-08 1995-04-13 Hoechst Ag Verfahren zur Herstellung von 5-Fluoranthranilsäure
DE4334432A1 (de) * 1993-10-08 1995-04-13 Hoechst Ag Verfahren zur Herstellung von 5-Fluoranthranilsäurealkylestern und/oder 5-Fluoranthranilsäure

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EP0700895A2 (de) 1996-03-13

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