KR970000140B1 - O-니트로펜에톨의 제조방법 - Google Patents
O-니트로펜에톨의 제조방법 Download PDFInfo
- Publication number
- KR970000140B1 KR970000140B1 KR1019880014558A KR880014558A KR970000140B1 KR 970000140 B1 KR970000140 B1 KR 970000140B1 KR 1019880014558 A KR1019880014558 A KR 1019880014558A KR 880014558 A KR880014558 A KR 880014558A KR 970000140 B1 KR970000140 B1 KR 970000140B1
- Authority
- KR
- South Korea
- Prior art keywords
- ethanol
- nitrochlorobenzene
- bromide
- chloride
- phase transfer
- 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 - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
- C07C205/27—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by etherified hydroxy groups
- C07C205/35—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by etherified hydroxy groups having nitro groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
- C07C205/36—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by etherified hydroxy groups having nitro groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton to carbon atoms of the same non-condensed six-membered aromatic ring or to carbon atoms of six-membered aromatic rings being part of the same condensed ring system
- C07C205/37—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by etherified hydroxy groups having nitro groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton to carbon atoms of the same non-condensed six-membered aromatic ring or to carbon atoms of six-membered aromatic rings being part of the same condensed ring system the oxygen atom of at least one of the etherified hydroxy groups being further bound to an acyclic carbon atom
-
- 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
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)
Abstract
Description
Claims (10)
- 반응 혼합물중의 에탄올 농도가 반응공정 전체를 통하여 1.5중량%를 초과하지 않도록 약 1.05 내지 약 1.4몰의 에탄올을 상 전이촉매의 존재하에 약 50 내지 80℃의 온도에서 약 40 내지 약 70중량%의 알칼리 금속 수산화물 용액중의 1몰의 o-니트로클로로벤젠에 작용시킴을 특징으로 하여, o-니트로펜에톨을 제조하는 방법.
- 제1항에 있어서, 반응 혼합물중의 에탄올 농도가 약 0.2 내지 약 0.8중량%인 방법.
- 제1항 또는 제2항에 있어서, 알칼리 금속 수산화물 수용액과 함께 도입된 o-니트로클로로벤젠중의 에탄올을 반응 진행 함수로서 계량하는 방법.
- 제1항 또는 제2항에 있어서, 반응을 약 65 내지 약 70℃의 온도에서 수행하는 방법.
- 제1항 또는 제2항에 있어서, 수산화나트륨 수용액, 수산화칼륨 수용액 또는 이들의 혼합물을 알칼리 금속 수산화물 수용액으로서 사용하는 방법.
- 제1항 또는 제2항에 있어서, 에탄올 및 상 전이촉매를 알칼리 금속 수산화물 수용액과 함께 도입된 o-니트로클로로벤젠으로 동시에, 분리하여 계량하는 방법.
- 제1항 또는 제2항에 있어서, 에탄올 및 상 전이촉매를 단위시간당 동일하거나 상이한 분율로 계량하는 방법으로 알칼리 금속 수산화물 수용액과 함께 도입된 o-니트로클로로벤젠으로 동시에 분리하여 계량하거나 함께 계량하는 방법.
- 제1항 또는 제2항에 있어서, 에탄올 및 상 전이촉매를 사용하는 에탄올 총량의 60 내지 80중량%가 특정 단위시간 동안에 신속히 계량되고, 이어서 잔류량의 에탄올이 2 내지 4배의 단위시간 동안에 계량되도록 알칼리 금속 수산화물 수용액과 함께 도입된 o-니트로클로로벤젠으로 동시에 함께 계량하는 방법.
- 제1항 또는 제2항에 있어서, 상 전이촉매로서 디메틸벤질-코코낫 알킬(C10-C18)암모늄 클로라이드, 벤질트리부틸암모늄 클로라이드 또는 브로마이드, 벤질트리메틸암모늄 하이드록사이드, 벤질트리메틸암모늄 클로라이드, 벤질트리메틸암모늄 하이드록사이드, 에틸헥사데실 디메틸암모늄 브로마이드, 헥사데실트리메틸암모늄 클로라이드 또는 브로마이드, 메틸트리옥틸암모늄 클로라이드, 테트라부틸암모늄 비설페이트, 테트라부틸암모늄 하이드록사이드, 테트라부틸암모늄 브로마이드 또는 요오다이드, 테트라에틸암모늄 클로라이드 또는 브로마이드, 테트라에틸암모늄 하이드록사이드, 테트라옥틸암모늄 브로마이드, 테트라프로필암모늄 브로마이드 또는 트리부틸메틸암모늄 클로라이드를 사용하는 방법.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP3737919.4 | 1987-01-07 | ||
| DE19873737919 DE3737919A1 (de) | 1987-11-07 | 1987-11-07 | Verfahren zur herstellung von o-nitrophenetol |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR890008076A KR890008076A (ko) | 1989-07-08 |
| KR970000140B1 true KR970000140B1 (ko) | 1997-01-04 |
Family
ID=6340061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019880014558A Expired - Lifetime KR970000140B1 (ko) | 1987-11-07 | 1988-11-05 | O-니트로펜에톨의 제조방법 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4954657A (ko) |
| EP (1) | EP0315906B1 (ko) |
| JP (1) | JPH01168646A (ko) |
| KR (1) | KR970000140B1 (ko) |
| DE (2) | DE3737919A1 (ko) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04295447A (ja) * | 1991-01-23 | 1992-10-20 | Hoechst Ag | o−ニトロフェネトールの製造方法 |
| JPH10510820A (ja) * | 1994-12-22 | 1998-10-20 | ノバルティス・アクチエンゲゼルシャフト | 芳香族o−スルホカルボン酸およびスルホニル尿素の合成法 |
| US7578971B2 (en) * | 2005-03-23 | 2009-08-25 | Mercury Enterprises, Inc. | Rapid-response reversible dry surface CO2 detector |
| US20100249451A1 (en) * | 2009-03-27 | 2010-09-30 | Council Of Scientific & Industrial Research | Process for the preparation of substituted benzilic acid from substituted benzils |
| CN108047065B (zh) * | 2017-12-11 | 2019-02-12 | 江苏中丹化工技术有限公司 | 一种可减少副产物的邻氨基苯醚的制备方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2545597A (en) * | 1947-12-04 | 1951-03-20 | Us Rubber Co | Preparation of alkyl-nitroaryl ethers |
| GB902306A (en) * | 1958-05-16 | 1962-08-01 | Monsanto Chemicals | Production of nitrophenetoles |
| US3085113A (en) * | 1961-05-10 | 1963-04-09 | Monsanto Chemicals | Method of preparing nitrophenetoles |
| GB1539183A (en) * | 1975-07-31 | 1979-01-31 | Ici Ltd | Process for the manufacture of aromatic ethers |
| DE3120912A1 (de) * | 1981-05-26 | 1982-12-16 | Hoechst Ag, 6000 Frankfurt | Verfahren zur herstellung von p-nitrophenetol |
| IL65154A (en) * | 1982-03-03 | 1986-10-31 | Gadot Petrochemical Ind 1974 L | Process for the manufacture of nitro-phenetoles |
-
1987
- 1987-11-07 DE DE19873737919 patent/DE3737919A1/de active Granted
-
1988
- 1988-11-04 JP JP63277537A patent/JPH01168646A/ja active Pending
- 1988-11-04 DE DE88118389T patent/DE3883919D1/de not_active Expired - Fee Related
- 1988-11-04 US US07/267,170 patent/US4954657A/en not_active Expired - Fee Related
- 1988-11-04 EP EP88118389A patent/EP0315906B1/de not_active Expired - Lifetime
- 1988-11-05 KR KR1019880014558A patent/KR970000140B1/ko not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE3737919A1 (de) | 1989-05-18 |
| DE3883919D1 (de) | 1993-10-14 |
| US4954657A (en) | 1990-09-04 |
| EP0315906B1 (de) | 1993-09-08 |
| EP0315906A3 (en) | 1990-11-22 |
| JPH01168646A (ja) | 1989-07-04 |
| EP0315906A2 (de) | 1989-05-17 |
| DE3737919C2 (ko) | 1991-06-06 |
| KR890008076A (ko) | 1989-07-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19881105 |
|
| PG1501 | Laying open of application | ||
| A201 | Request for examination | ||
| PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19931009 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 19881105 Comment text: Patent Application |
|
| G160 | Decision to publish patent application | ||
| PG1605 | Publication of application before grant of patent |
Comment text: Decision on Publication of Application Patent event code: PG16051S01I Patent event date: 19961205 |
|
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19970313 |
|
| NORF | Unpaid initial registration fee | ||
| PC1904 | Unpaid initial registration fee |

