KR100711310B1 - 벤지딘 화합물의 제조 방법 - Google Patents
벤지딘 화합물의 제조 방법 Download PDFInfo
- Publication number
- KR100711310B1 KR100711310B1 KR1020020062839A KR20020062839A KR100711310B1 KR 100711310 B1 KR100711310 B1 KR 100711310B1 KR 1020020062839 A KR1020020062839 A KR 1020020062839A KR 20020062839 A KR20020062839 A KR 20020062839A KR 100711310 B1 KR100711310 B1 KR 100711310B1
- Authority
- KR
- South Korea
- Prior art keywords
- formula
- benzidine
- catalyst
- compound
- reaction
- Prior art date
Links
- 0 *c(cc(cc1)-c(cc2)cc(*)c2NC=C)c1N Chemical compound *c(cc(cc1)-c(cc2)cc(*)c2NC=C)c1N 0.000 description 4
Classifications
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- C—CHEMISTRY; METALLURGY
- 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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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C211/00—Compounds containing amino groups bound to a carbon skeleton
- 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
- C07C211/49—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 having at least two amino groups bound to the carbon skeleton
- C07C211/50—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 having at least two amino groups bound to the carbon skeleton with at least two amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals
- C07C2523/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of noble metals of the platinum group metals
- C07C2523/42—Platinum
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (5)
- 가성 소다, 2, 3-디클로로-1, 4-나프토 퀴논, 계면 활성제, 하기 화학식 2의 니트로벤젠 화합물, 공정수 및 백금(Pt/C) 촉매를 혼합한 후, 질소 기체를 주입하여 60-150℃의 온도에서 반응시킨 다음, 진공 상태를 만들고 3-15kg/cm3의 압력으로 수소 기체를 공급함으로서 수소 환원 반응을 진행시켜 하기 화학식 3의 히드라조 벤젠 화합물을 생성하는 단계;상기 환원 반응이 진행된 환원액을 여과하여 촉매를 회수하는 단계; 및상기 촉매를 회수하고 남은 결과물로부터 유기층을 분리하여 염산 용액에 가하여 전위 반응을 진행함으로써 벤지딘 염산염을 제조한 후, 그 결과물을 탈수기로 탈수하여 부반응물 및 불순물을 제거하고, 다시 실온으로 냉각하여 벤지딘 염을 재석출시키고, 그로부터 화학식 1의 벤지딘 화합물을 제조하는 단계로 구성됨을 특징으로 하는 하기 반응식 1로 표시되는 벤지딘 화합물의 제조 방법.[반응식 1]상기 식에서, R은 수소, 메틸기, 메톡시기 또는 염소를 나타낸다.
- 삭제
- 제 1 항에 있어서, 상기 계면 활성제로는 알킬벤젠술포네이트 또는 소디움도데실벤젠술포네이트를 사용함을 특징으로 하는 벤지딘 화합물의 제조 방법.
- 제 1 항에 있어서, 상기 전위 반응을 진행시키는 단계는 상기 촉매를 회수하고 남은 결과물을 고온으로 가열하여, 강염산에 적하함으로써 진행함을 특징으로 하는 벤지딘 화합물의 제조 방법.
- 삭제
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020062839A KR100711310B1 (ko) | 2002-10-15 | 2002-10-15 | 벤지딘 화합물의 제조 방법 |
CNA021584915A CN1490302A (zh) | 2002-10-15 | 2002-12-25 | 联苯胺化合物的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020062839A KR100711310B1 (ko) | 2002-10-15 | 2002-10-15 | 벤지딘 화합물의 제조 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040033627A KR20040033627A (ko) | 2004-04-28 |
KR100711310B1 true KR100711310B1 (ko) | 2007-04-27 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020020062839A KR100711310B1 (ko) | 2002-10-15 | 2002-10-15 | 벤지딘 화합물의 제조 방법 |
Country Status (2)
Country | Link |
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KR (1) | KR100711310B1 (ko) |
CN (1) | CN1490302A (ko) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114249657B (zh) * | 2021-12-09 | 2023-09-19 | 浙江秦燕科技股份有限公司 | 一种连续制备dcb的方法 |
CN114230470A (zh) * | 2021-12-19 | 2022-03-25 | 曼哈格检测技术股份有限公司 | 一种稳定同位素标记的联苯胺的合成方法及其应用 |
CN115572232A (zh) * | 2022-10-18 | 2023-01-06 | 江苏至纯科技新材料有限公司 | 一种3,3′,5,5′-四甲基联苯胺制备方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR860007198A (ko) * | 1985-03-29 | 1986-10-08 | 훽스트 아크티엔게젤샤프트 | 4,4'- 디아미노디페닐 화합물의 제조방법 |
KR860007199A (ko) * | 1985-03-29 | 1986-10-08 | 훽스트 아크티엔게젤샤프트 | 4,4'- 디아미노디페닐 화합물의 제조방법 |
KR860008121A (ko) * | 1985-04-30 | 1986-11-12 | 오동근 | 벤지딘 및 그 화합물의 제조방법 |
KR890001850A (ko) * | 1987-07-21 | 1989-04-06 | 원본미기재 | 콘테이너의 지지장치 |
US4987258A (en) * | 1985-03-29 | 1991-01-22 | Hoechst Aktiengesellschaft | 4,4'-diaminodiphenyl compounds, process for their preparation and their use |
KR19990080773A (ko) * | 1998-04-21 | 1999-11-15 | 정명식 | 벤지딘 유도체, 이를 이용하여 제조된 폴리이미드 및 그 제조방법 |
KR20020095771A (ko) * | 2001-06-15 | 2002-12-28 | 한국협화화학공업 주식회사 | 벤지딘 화합물의 제조 방법 |
KR20040013368A (ko) * | 2002-08-06 | 2004-02-14 | 주식회사 인터켐 | 테트라클로로벤지딘의 제조방법 |
-
2002
- 2002-10-15 KR KR1020020062839A patent/KR100711310B1/ko active IP Right Review Request
- 2002-12-25 CN CNA021584915A patent/CN1490302A/zh active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR860007198A (ko) * | 1985-03-29 | 1986-10-08 | 훽스트 아크티엔게젤샤프트 | 4,4'- 디아미노디페닐 화합물의 제조방법 |
KR860007199A (ko) * | 1985-03-29 | 1986-10-08 | 훽스트 아크티엔게젤샤프트 | 4,4'- 디아미노디페닐 화합물의 제조방법 |
US4987258A (en) * | 1985-03-29 | 1991-01-22 | Hoechst Aktiengesellschaft | 4,4'-diaminodiphenyl compounds, process for their preparation and their use |
KR860008121A (ko) * | 1985-04-30 | 1986-11-12 | 오동근 | 벤지딘 및 그 화합물의 제조방법 |
KR890001850A (ko) * | 1987-07-21 | 1989-04-06 | 원본미기재 | 콘테이너의 지지장치 |
KR19990080773A (ko) * | 1998-04-21 | 1999-11-15 | 정명식 | 벤지딘 유도체, 이를 이용하여 제조된 폴리이미드 및 그 제조방법 |
KR20020095771A (ko) * | 2001-06-15 | 2002-12-28 | 한국협화화학공업 주식회사 | 벤지딘 화합물의 제조 방법 |
KR20040013368A (ko) * | 2002-08-06 | 2004-02-14 | 주식회사 인터켐 | 테트라클로로벤지딘의 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
CN1490302A (zh) | 2004-04-21 |
KR20040033627A (ko) | 2004-04-28 |
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