KR940007526B1 - 3-아미노-4-하이드록시벤조산의 제조방법 - Google Patents
3-아미노-4-하이드록시벤조산의 제조방법 Download PDFInfo
- Publication number
- KR940007526B1 KR940007526B1 KR1019860005131A KR860005131A KR940007526B1 KR 940007526 B1 KR940007526 B1 KR 940007526B1 KR 1019860005131 A KR1019860005131 A KR 1019860005131A KR 860005131 A KR860005131 A KR 860005131A KR 940007526 B1 KR940007526 B1 KR 940007526B1
- Authority
- KR
- South Korea
- Prior art keywords
- acid
- nitro
- hydroxybenzoic acid
- amino
- reaction medium
- 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
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C229/00—Compounds containing amino and carboxyl groups bound to the same carbon skeleton
- C07C229/52—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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
- C07C201/06—Preparation of nitro compounds
- C07C201/08—Preparation of nitro compounds by substitution of hydrogen atoms by nitro groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
- C07C201/06—Preparation of nitro compounds
- C07C201/12—Preparation of nitro compounds by reactions not involving the formation of nitro groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C227/00—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
- C07C227/04—Formation of amino groups in compounds containing carboxyl groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C227/00—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
- C07C227/38—Separation; Purification; Stabilisation; Use of additives
- C07C227/40—Separation; Purification
- C07C227/42—Crystallisation
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (17)
- (a) 1 또는 2개의 알킬 그룹으로 치환되거나 비치환되며, 단 할로 잔기에 대하여 하나 이상의 오르토 위치가 비치환된 p-할로벤조산 또는 이의 에스테르를 3-니트로-4-할로벤조산 또는 이의 에스테르가 생성되는 조건하에 산성 반응 매질중에서 질산과 접촉시키고 ; (b) 생성된 3-니트로-4-할로벤조산 또는 이의 에스테르를 할로 잔기가 하이드록사이드 잔기 또는 이의 염으로 대체되는 조건하에 반응 매질중에서 알칼리 금속 수산화물과 접촉시켜 3-니트로-4-하이드록시벤조산 또는 이의 염을 생성시킨 다음 ; (c) 3-니트로-4-하이드록시벤조산 또는 이의 염을 4-하이드록시-3-아미노벤조산이 생성되는 조건하에 반응 매질 중에서 환원시킴을 특징으로 하여, 3-아미노-4-하이드록시벤조산을 제조하는 방법.
- 제 1 항에 있어서, 3-아미노-4-하이드록시벤조산을 95중량% 이상의 순도로 회수하는 방법.
- 제 1 항에 있어서, p-할로벤조산 또는 이의 에스테르가 일반식(Ⅰ)에 상응하고, 3-니트로-4-할로벤조산 또는 이의 에스테르가 일반식(Ⅱ)에 상응하며, 3-니트로-4-하이드록시벤조산 또는 이의 염이 일반식(Ⅲ)에 상응하고, 3-아미노-4-하이드록시벤조산이 일반식(Ⅳ)에 상응하는 방법.상기식에서, R1은 각각의 경우에 독립적으로 수소 또는 C1-C10알킬이고 ; R2는 각각의 경우에 독립적으로 C1-C10알킬이며 ; X는 각각의 경우에 독립적으로 할로겐이고 ; Z는 각각의 경우에 독립적으로 수소 또는 양이온이며 ; a는 0, 1 또는 2이다.
- 제 1 항 또는 제 3 항에 있어서, 각각 1당량의 p-할로벤조산 또는 이의 에스테르를 약 1당량 이상의 황산 중에서 약 1당량 이상의 질산과 접촉시키는 방법.
- 제 3 항에 있어서, 각각 1당량의 3-니트로-4-할로벤조산 또는 이의 에스테르를 약 3당량 이상의 알칼리 금속 수산화물과 반응시키는 방법.
- 제 1 항에 있어서, 단계 (a)의 온도가 -10 내지 50℃이고, 단계(b)의 온도가 65 내지 120℃인 방법.
- 제 3 항에 있어서, 3-니트로-4-하이드록시벤조산을 불균질한 환원 촉매의 존재하에서 수소 가스 또는 수소 공급원과 접촉시킴으로써 환원시키는 방법.
- 제 7 항에 있어서, 불균질한 환원 촉매가 목탄상 팔라듐인 방법.
- 제 7 항에 있어서, 반응매질을 3-니트로-4-하이드록시벤조산이 반응 매질로부터 침전될 수 있도록 양성 자성 강산과 접촉시킴으로써 단계(b)의 반응 매질로부터 3-니트로-4-하이드록시벤조산의 알칼리 금속염을 회수하는 방법.
- 제 9 항에 있어서, 양성자성 강산이 염산인 방법.
- 제 3 항에 있어서, 3-니트로-4-하이드록시벤조산을 0가 상태의 알루미늄과 접촉시킴으로써 환원시키는 방법.
- 제11항에 있어서, 0가 상태의 알루미늄을 단계(b)의 반응 매질중에서 3-니트로-4-하이드록시벤조산과 접촉시키는 방법.
- 제12항에 있어서, 반응매질을 충분량의 양성자성 무기 강산과 접촉시켜 3-아미노-4-하이드록시벤조산을 아민염으로 전환시키고, 생성된 염을 침전시킨 후, 3-아미노-4-하이드록시벤조산을 아민염으로서 회수하는 방법.
- 제 3 항에 있어서, R1이 수소 또는 C1-C3알킬이고 ; R2가 C1-C3알킬이며 ; X가 염소, 브롬 또는 요오드이고 ; Z가 수소 또는 알칼리 금속 양이온이며 ; a가 0 또는 1인 방법.
- 제14항에 있어서, R1이 수소이고 ; X가 염소이며 ; Z가 나트륨이고 ; a가 0인 방법.
- 3-니트로-4-하이드록시벤조산 또는 이의 염을 4-하이드록시-3-아미노벤조산이 생성되는 조건하에 반응 매질중에서 환원시켜 3-아미노-4-하이드록시벤조산을 제조하는 방법에 있어서, 출발물질인 3-니트로-4-하이드록시벤조산 또는 이의 염이 제 1 항의 단계(a) 및 (b)에 따라 제조되는 방법.
- 제 1 항의 단계(a) 및 (b)에 따라서 3-니트로-4-하이드록시벤조산을 제조하는 방법.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US74907985A | 1985-06-26 | 1985-06-26 | |
| US749079 | 1985-06-26 | ||
| US749,079 | 1985-06-26 | ||
| US827996 | 1986-02-10 | ||
| US06/827,996 US4835306A (en) | 1986-02-10 | 1986-02-10 | Preparation of 3-amino-4-hydroxybenzoic acids |
| US827,996 | 1986-02-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR870000285A KR870000285A (ko) | 1987-02-17 |
| KR940007526B1 true KR940007526B1 (ko) | 1994-08-19 |
Family
ID=27115049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019860005131A Expired - Fee Related KR940007526B1 (ko) | 1985-06-26 | 1986-06-26 | 3-아미노-4-하이드록시벤조산의 제조방법 |
Country Status (14)
| Country | Link |
|---|---|
| EP (1) | EP0206635B1 (ko) |
| JP (1) | JPH0811745B2 (ko) |
| KR (1) | KR940007526B1 (ko) |
| AU (1) | AU586257B2 (ko) |
| BR (1) | BR8602926A (ko) |
| CA (1) | CA1262251A (ko) |
| DE (1) | DE3666948D1 (ko) |
| DK (1) | DK303786A (ko) |
| ES (1) | ES8800659A1 (ko) |
| FI (1) | FI862718L (ko) |
| GR (1) | GR861636B (ko) |
| IE (1) | IE59268B1 (ko) |
| NO (1) | NO862548L (ko) |
| PT (1) | PT82833B (ko) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4959492A (en) * | 1989-07-14 | 1990-09-25 | The Dow Chemical Company | Process to synthesize AB-PBO monomer and phosphate salts thereof |
| EP2302066A4 (en) | 2008-07-09 | 2012-02-08 | Ajinomoto Kk | METHOD FOR PRODUCING AMINOHYDROXYBENZOIC ACID |
| CN103073432B (zh) * | 2013-01-16 | 2014-03-19 | 浙江华基生物技术有限公司 | 5-[2-氯-4-(三氟甲基)苯氧基]-2-硝基苯甲酸的合成方法 |
| CN105237423A (zh) * | 2015-09-24 | 2016-01-13 | 营口三征新科技化工有限公司 | 3-氨基-4-羟基苯甲酸的制备方法 |
| CN113372215B (zh) * | 2021-05-20 | 2024-05-24 | 吉林大学 | 一种用于合成对卤甲基苯甲酸酯的新型酯化方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3819680A (en) | 1970-05-28 | 1974-06-25 | Gaf Corp | Nitration of benzoic acid esters |
| US3929864A (en) | 1973-08-27 | 1975-12-30 | Hoechst Ag | Process for preparing 4-hydroxy-3-nitrobenzoic acid alkyl esters |
| AU1885083A (en) * | 1982-08-23 | 1984-03-07 | Australian National University, The | Process for the preparation of 3-amino-5-hydroxybenzoic acidsand derivatives and analogues thereof |
| JPS6089451A (ja) * | 1983-10-24 | 1985-05-20 | Toray Ind Inc | 6−ニトロ−3−ヒドロキシ安息香酸の製造法 |
-
1986
- 1986-06-04 CA CA000510763A patent/CA1262251A/en not_active Expired
- 1986-06-10 EP EP86304435A patent/EP0206635B1/en not_active Expired
- 1986-06-10 DE DE8686304435T patent/DE3666948D1/de not_active Expired
- 1986-06-11 AU AU58526/86A patent/AU586257B2/en not_active Ceased
- 1986-06-24 JP JP61146270A patent/JPH0811745B2/ja not_active Expired - Fee Related
- 1986-06-24 GR GR861636A patent/GR861636B/el unknown
- 1986-06-24 PT PT82833A patent/PT82833B/pt not_active IP Right Cessation
- 1986-06-25 FI FI862718A patent/FI862718L/fi not_active Application Discontinuation
- 1986-06-25 NO NO862548A patent/NO862548L/no unknown
- 1986-06-25 BR BR8602926A patent/BR8602926A/pt unknown
- 1986-06-25 ES ES556645A patent/ES8800659A1/es not_active Expired
- 1986-06-25 IE IE169886A patent/IE59268B1/en not_active IP Right Cessation
- 1986-06-26 DK DK303786A patent/DK303786A/da not_active Application Discontinuation
- 1986-06-26 KR KR1019860005131A patent/KR940007526B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| NO862548D0 (no) | 1986-06-25 |
| IE861698L (en) | 1986-12-26 |
| PT82833A (en) | 1986-07-01 |
| FI862718A7 (fi) | 1986-12-27 |
| ES556645A0 (es) | 1987-11-16 |
| EP0206635A1 (en) | 1986-12-30 |
| NO862548L (no) | 1986-12-29 |
| PT82833B (pt) | 1988-12-15 |
| JPS6212750A (ja) | 1987-01-21 |
| DE3666948D1 (en) | 1989-12-21 |
| JPH0811745B2 (ja) | 1996-02-07 |
| EP0206635B1 (en) | 1989-11-15 |
| FI862718L (fi) | 1986-12-27 |
| DK303786A (da) | 1986-12-27 |
| GR861636B (en) | 1986-10-30 |
| DK303786D0 (da) | 1986-06-26 |
| KR870000285A (ko) | 1987-02-17 |
| ES8800659A1 (es) | 1987-11-16 |
| BR8602926A (pt) | 1987-02-17 |
| AU5852686A (en) | 1987-01-08 |
| FI862718A0 (fi) | 1986-06-25 |
| CA1262251A (en) | 1989-10-10 |
| IE59268B1 (en) | 1994-01-26 |
| AU586257B2 (en) | 1989-07-06 |
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