KR900007780A - 니트로페놀의 제조방법 - Google Patents
니트로페놀의 제조방법 Download PDFInfo
- Publication number
- KR900007780A KR900007780A KR1019890016087A KR890016087A KR900007780A KR 900007780 A KR900007780 A KR 900007780A KR 1019890016087 A KR1019890016087 A KR 1019890016087A KR 890016087 A KR890016087 A KR 890016087A KR 900007780 A KR900007780 A KR 900007780A
- Authority
- KR
- South Korea
- Prior art keywords
- nitric acid
- nitrophenol
- mpa
- reaction mixture
- phenol
- Prior art date
Links
- IQUPABOKLQSFBK-UHFFFAOYSA-N 2-nitrophenol Chemical compound OC1=CC=CC=C1[N+]([O-])=O IQUPABOKLQSFBK-UHFFFAOYSA-N 0.000 title claims description 5
- 238000004519 manufacturing process Methods 0.000 title description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims 7
- 229910017604 nitric acid Inorganic materials 0.000 claims 7
- 239000011541 reaction mixture Substances 0.000 claims 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims 3
- 238000000034 method Methods 0.000 claims 3
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 claims 2
- BTJIUGUIPKRLHP-UHFFFAOYSA-N 4-nitrophenol Chemical compound OC1=CC=C([N+]([O-])=O)C=C1 BTJIUGUIPKRLHP-UHFFFAOYSA-N 0.000 claims 1
- 239000012736 aqueous medium Substances 0.000 claims 1
- 239000002609 medium Substances 0.000 claims 1
- RBXVOQPAMPBADW-UHFFFAOYSA-N nitrous acid;phenol Chemical class ON=O.OC1=CC=CC=C1 RBXVOQPAMPBADW-UHFFFAOYSA-N 0.000 claims 1
Classifications
-
- 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
- C07C201/14—Preparation of nitro compounds by formation of nitro groups together with reactions not involving the formation of 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
- C07C201/08—Preparation of nitro compounds by substitution of hydrogen atoms by nitro groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 니트로페놀 제조방법을 연속적으로 수행하기 위한 장치를 나타낸다.
Claims (6)
- 정상 상태에서, -540 중량%의 질산, 질산 중량에 대하여 540중량% 비율의 아질산 및 매체 내에 그 용해도 한계까지의 니트로페놀을 필수적으로 포함하는 반응 혼합물을 함유하는 밀폐 교반 반응기 속에 페놀 1몰당 질산 약 0.52.0몰의 비율로 페놀 및 질산을 연속적으로 도입하고, -반응기 내의 온도를 10℃약 40℃로 유지하고, -파라-니트로페놀/오르토-니트로페놀 이성질체 비가 55/45 이상인 파라-니트로페놀과 오르토-니트로페놀을 필수적으로 포함하는, 수성 매체 내에서의 니트로페놀의 연속적 제조방법.
- 제1항에 있어서, 반응기 내의 자생 압력이 0.1MPa∼1MPa 및 바람직하게는 0.1MPa∼0.5MPa인 것을 특징으로 하는 방법.
- 제1항 또는 제2항에 있어서, 반응 혼합물의 수성층 내에서의 질산의 농도가 1025 중량 37%인 것을 특징으로 하는 방법.
- 제1항 내지 제3항중 어느 한 항에 있어서, 반응 혼합물의 수성층 내에서의 아질산/질산 중량비가 10%20%인 것을 특징으로 하는 방법.
- 제1항 내지 제4항중 어느 한 항에 있어서, 반응 혼합물의 온도가 15℃약 30℃로 유지되는 것을 특징으로 하는 방법.
- 제1항 내지 제5항중 어느 한 항에 있어서, 도입되는 페놀에 대한 질산의 몰비가 0.91.5인 것을 특징으로 하는 방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR88/15185 | 1988-11-07 | ||
| FR8815185A FR2638741B1 (fr) | 1988-11-07 | 1988-11-07 | Procede de preparation de nitrophenols |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR900007780A true KR900007780A (ko) | 1990-06-02 |
Family
ID=9372096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019890016087A KR900007780A (ko) | 1988-11-07 | 1989-11-07 | 니트로페놀의 제조방법 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5030769A (ko) |
| EP (1) | EP0368770B1 (ko) |
| JP (1) | JPH02172952A (ko) |
| KR (1) | KR900007780A (ko) |
| AT (1) | ATE81498T1 (ko) |
| BR (1) | BR8905643A (ko) |
| DE (1) | DE68903213T2 (ko) |
| FR (1) | FR2638741B1 (ko) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2490997B1 (en) * | 2009-10-20 | 2019-03-20 | ANGUS Chemical Company | Process for nitroalkane recovery by aqueous phase recycle to nitration reactor |
| CN104030926B (zh) * | 2014-06-13 | 2016-06-22 | 芜湖职业技术学院 | 采用硝化反应装置制备酚类硝化物的方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3519693A (en) * | 1965-11-24 | 1970-07-07 | American Cyanamid Co | Nitration process for phenolic compounds |
| US3980717A (en) * | 1971-06-30 | 1976-09-14 | Hercules Incorporated | Manufacture of para-nitro-meta-cresol from meta/para-cresol mixtures |
| CA964674A (en) * | 1971-06-30 | 1975-03-18 | Hercules Incorporated | Manufacture of nitrophenols |
| DE2622313C3 (de) * | 1976-05-19 | 1980-09-25 | Bayer Ag, 5090 Leverkusen | Verfahren zur kontinuierlichen Herstellung von Mononitroaromaten |
| FR2584397B1 (fr) * | 1985-07-05 | 1988-02-12 | Rhone Poulenc Spec Chim | Procede de nitration de composes phenoliques |
-
1988
- 1988-11-07 FR FR8815185A patent/FR2638741B1/fr not_active Expired - Lifetime
-
1989
- 1989-11-01 JP JP1283158A patent/JPH02172952A/ja active Pending
- 1989-11-03 BR BR898905643A patent/BR8905643A/pt unknown
- 1989-11-06 DE DE8989420427T patent/DE68903213T2/de not_active Expired - Fee Related
- 1989-11-06 AT AT89420427T patent/ATE81498T1/de active
- 1989-11-06 EP EP89420427A patent/EP0368770B1/fr not_active Expired - Lifetime
- 1989-11-07 US US07/432,498 patent/US5030769A/en not_active Expired - Fee Related
- 1989-11-07 KR KR1019890016087A patent/KR900007780A/ko not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2638741B1 (fr) | 1990-12-28 |
| ATE81498T1 (de) | 1992-10-15 |
| FR2638741A1 (fr) | 1990-05-11 |
| US5030769A (en) | 1991-07-09 |
| EP0368770A1 (fr) | 1990-05-16 |
| JPH02172952A (ja) | 1990-07-04 |
| DE68903213D1 (de) | 1992-11-19 |
| BR8905643A (pt) | 1990-06-05 |
| EP0368770B1 (fr) | 1992-10-14 |
| DE68903213T2 (de) | 1993-03-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19891107 |
|
| PG1501 | Laying open of application | ||
| PC1203 | Withdrawal of no request for examination | ||
| WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |