KR910006519A - 파라-아미노페놀의 제조방법 - Google Patents
파라-아미노페놀의 제조방법 Download PDFInfo
- Publication number
- KR910006519A KR910006519A KR1019890012903A KR890012903A KR910006519A KR 910006519 A KR910006519 A KR 910006519A KR 1019890012903 A KR1019890012903 A KR 1019890012903A KR 890012903 A KR890012903 A KR 890012903A KR 910006519 A KR910006519 A KR 910006519A
- Authority
- KR
- South Korea
- Prior art keywords
- electrode
- spe
- rde
- copper
- aminophenol
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B3/00—Electrolytic production of organic compounds
- C25B3/20—Processes
- C25B3/25—Reduction
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/02—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form
- C25B11/034—Rotary electrodes
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
- C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
- C25B11/055—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the substrate or carrier material
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
- C25B9/19—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
- C25B9/23—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/30—Cells comprising movable electrodes, e.g. rotary electrodes; Assemblies of constructional parts thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
내용 없음.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 제조과정을 개략적으로 보인 공정도.
제2도는 본 발명의 실시에 사용되는 전해조의 구조를 예시한 평면도.
제3도는 제2도의 종단면도.
Claims (8)
- 니트로벤젠으로부터 파라-아미노페놀을 전해합성함에 있어서, 다수의 원판전극으로 이루어진 RDE와 SPE 전극을 일전극으로 하여 용매나 계면활성제 없이 황산 1.5-3.0M 및 니트로벤젠 0.5-2.0M의 농도를 갖는 음극실용액을 전해합성하여 제조함을 특징으로 하는 파라-아미노페놀의 제조방법.
- 제1항에 있어서, RDE의 재질이 흑연, 구리, 비스무트로 피복된 흑연, 아말감구리 또는 비스무트로 피복된 구리인 것을 특징으로 하는 파라-아미노페놀의 제조방법.
- 제1항에 있어서, SPE 전극이 SPE 구리, 비스무트전극, SPE 구리전극, 또는 SPE 비스무트전극인 것을 특징으로 하는 파라-아미노페놀의 제조방법.
- 제1항에 있어서, RDE의 전류밀도는 20-20mA/Cm2이고 SPE 전극의 전류밀도는 RDE 전류밀도의 1/5-1/100인 것을 특징으로 하는 파라-아미노페놀의 제조방법.
- 제1항에 있어서, 전해온도가 80-95℃인 것을 특징으로 하는 파라-아미노페놀의 제조방법.
- 제1항에 있어서, RDE의 회전속도가 300-3600rpm인 것을 특징으로 하는 파라-아미노페놀의 제조방법.
- 제1항에 있어서, 양극으로 Pb-Ag 또는 DSA(Ti/IrO2) 전극을 사용함을 특징으로 하는 파라-아미노페놀의 제조방법.
- 제1항에 있어서, 전해완결여부를 음극의 기준전극에 대한 전위상승으로 측정함을 특징으로 하는 파라-아미노페놀의 제조방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019890012903A KR910005058B1 (ko) | 1989-09-06 | 1989-09-06 | 파라-아미노페놀의 제조방법 |
US07/460,625 US5066369A (en) | 1989-09-06 | 1990-01-03 | Process for preparing para-aminophenol |
CN90100499A CN1038053C (zh) | 1989-09-06 | 1990-01-30 | 制备对氨基苯酚用方法 |
DE4003004A DE4003004A1 (de) | 1989-09-06 | 1990-02-01 | Verfahren zur herstellung von p-aminophenol aus nitrobenzol |
JP2233447A JPH03100191A (ja) | 1989-09-06 | 1990-09-05 | パラ―アミノフェノールの製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019890012903A KR910005058B1 (ko) | 1989-09-06 | 1989-09-06 | 파라-아미노페놀의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR910006519A true KR910006519A (ko) | 1991-04-29 |
KR910005058B1 KR910005058B1 (ko) | 1991-07-22 |
Family
ID=19289691
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019890012903A KR910005058B1 (ko) | 1989-09-06 | 1989-09-06 | 파라-아미노페놀의 제조방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5066369A (ko) |
JP (1) | JPH03100191A (ko) |
KR (1) | KR910005058B1 (ko) |
CN (1) | CN1038053C (ko) |
DE (1) | DE4003004A1 (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101100759B (zh) * | 2007-08-15 | 2010-04-07 | 安徽天润得生物工程有限公司 | 电还原制备医药中间体乙酰氨基丙二酸二乙酯 |
KR102229442B1 (ko) * | 2016-09-22 | 2021-03-17 | 주식회사 엘지화학 | 수계 레독스 플로우 전지용 유기계 양극 활물질 |
CN112501641B (zh) * | 2020-11-30 | 2021-09-03 | 苏州大学张家港工业技术研究院 | 一种电催化制备偶氮苯和氧化偶氮苯类化合物的方法 |
CN114481173B (zh) * | 2022-03-01 | 2023-06-13 | 哈尔滨工业大学(深圳) | 一种苯胺衍生物的制备方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1501472A (en) * | 1920-01-24 | 1924-07-15 | Charles J Thatcher | Process of producing paramidophenol and its compounds |
US1536419A (en) * | 1922-01-26 | 1925-05-05 | Arthur W Burwell | Process of effecting organic reactions |
US2925371A (en) * | 1956-06-01 | 1960-02-16 | Carwin Company | Electrolytic cell |
US2998450A (en) * | 1958-05-19 | 1961-08-29 | Warner Lambert Pharmaceutical | Process of preparing nu-acetyl-p-amino phenol |
US3338806A (en) * | 1961-08-21 | 1967-08-29 | Continental Oil Co | Process of preparing p-aminophenol by electrolytically reducing nitrobenzene |
GB1308042A (en) * | 1969-05-28 | 1973-02-21 | Brown John Constr | Process for the preparation of rho-amino phenol by the electrolytic reduction of nitrobenzene |
US4386987A (en) * | 1981-06-26 | 1983-06-07 | Diamond Shamrock Corporation | Electrolytic cell membrane/SPE formation by solution coating |
US4445985A (en) * | 1983-03-25 | 1984-05-01 | Ppg Industries, Inc. | Electro organic method and apparatus for carrying out same |
US4584070A (en) * | 1985-03-29 | 1986-04-22 | Ppg Industries, Inc. | Process for preparing para-aminophenol |
-
1989
- 1989-09-06 KR KR1019890012903A patent/KR910005058B1/ko not_active IP Right Cessation
-
1990
- 1990-01-03 US US07/460,625 patent/US5066369A/en not_active Expired - Fee Related
- 1990-01-30 CN CN90100499A patent/CN1038053C/zh not_active Expired - Fee Related
- 1990-02-01 DE DE4003004A patent/DE4003004A1/de active Granted
- 1990-09-05 JP JP2233447A patent/JPH03100191A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CN1038053C (zh) | 1998-04-15 |
KR910005058B1 (ko) | 1991-07-22 |
DE4003004C2 (ko) | 1992-04-09 |
CN1050057A (zh) | 1991-03-20 |
US5066369A (en) | 1991-11-19 |
JPH03100191A (ja) | 1991-04-25 |
DE4003004A1 (de) | 1991-03-14 |
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A201 | Request for examination | ||
G160 | Decision to publish patent application | ||
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GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 19970619 Year of fee payment: 7 |
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LAPS | Lapse due to unpaid annual fee |