KR950011416A - 5-아세토아세틸아미노-2-벤즈아미다졸론의 제조방법 - Google Patents
5-아세토아세틸아미노-2-벤즈아미다졸론의 제조방법 Download PDFInfo
- Publication number
- KR950011416A KR950011416A KR1019940026578A KR19940026578A KR950011416A KR 950011416 A KR950011416 A KR 950011416A KR 1019940026578 A KR1019940026578 A KR 1019940026578A KR 19940026578 A KR19940026578 A KR 19940026578A KR 950011416 A KR950011416 A KR 950011416A
- Authority
- KR
- South Korea
- Prior art keywords
- alcohol
- acetoacetylamino
- water
- preparing
- mixture
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
- C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
- C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
- C07D235/06—Benzimidazoles; Hydrogenated benzimidazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached in position 2
- C07D235/16—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D235/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings
- C07D235/02—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, condensed with other rings condensed with carbocyclic rings or ring systems
- C07D235/04—Benzimidazoles; Hydrogenated benzimidazoles
- C07D235/24—Benzimidazoles; Hydrogenated benzimidazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2
- C07D235/26—Oxygen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Plural Heterocyclic Compounds (AREA)
Abstract
수용성 (C1-C4)-알콜 또는 이 알콜과 물의 혼합물의 존재하에 비등점 온도에서 반응을 실시함을 포함하는, 5-아미노-2벤즈이미다졸론의 연속적인 반응에 의해서 5-아세토아세틸아미노-2-벤즈이미다졸론을 제조하는 방법이 제공된다.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (5)
- 수용성 (C1-C4)-알콜 또는 이 알콜과 물의 혼합물의 존재하에 비등점 온도에서 반응을 실시함을 포함하는, 5-아미노-2벤즈이미다졸론의 연속적인 반응에 의해서 5-아세토아세틸아미노-2-벤즈이미다졸론을 제조하는 방법
- 제1항에 있어서, 사용된 알콜이 메탄올, 에탄올, n-프로판올 또는 이소프로판올인 방법.
- 제1항 내지 제2항에 있어서, 알콜 또는 알콜-몰 혼합물이 65 내지 100℃, 특히 70 내지 90℃의 비등점을 가지는 방법.
- 제1항 또는 제2항에 있어서, 45 내지 55 중량%의 물을 함유하는 에탄올을 사용하는 방법.
- 제1항 내지 제4항중 어느 한 항에 있어서, 알콜 또는 알콜-몰 혼합물을 제순환된 모액의 형태로 사용하는 방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP4335614.1 | 1993-10-19 | ||
| DE4335614A DE4335614A1 (de) | 1993-10-19 | 1993-10-19 | Verfahren zur Herstellung von 5-Acetoacetylaminobenzimidazolon-2 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR950011416A true KR950011416A (ko) | 1995-05-15 |
| KR100352807B1 KR100352807B1 (ko) | 2002-12-26 |
Family
ID=6500485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019940026578A KR100352807B1 (ko) | 1993-10-19 | 1994-10-18 | 5-아세토아세틸아미노-2-벤즈이미다졸론의제조방법 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5476948A (ko) |
| EP (1) | EP0648748B1 (ko) |
| JP (1) | JP3575839B2 (ko) |
| KR (1) | KR100352807B1 (ko) |
| CN (1) | CN1106391A (ko) |
| CA (1) | CA2118378C (ko) |
| DE (2) | DE4335614A1 (ko) |
| DK (1) | DK0648748T3 (ko) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103664794B (zh) * | 2013-12-30 | 2016-03-30 | 青岛双桃精细化工（集团）有限公司 | 一种5-乙酰乙酰氨基苯并咪唑酮的制备方法 |
| CN104151251B (zh) * | 2014-08-07 | 2017-01-18 | 山东汇海医药化工有限公司 | 一种一锅合成5‑乙酰乙酰氨基苯并咪唑酮的方法 |
| CN104130193B (zh) * | 2014-08-12 | 2016-09-28 | 南通醋酸化工股份有限公司 | 一种5-乙酰乙酰氨基苯并咪唑酮的合成方法 |
| CN110128350A (zh) * | 2019-07-01 | 2019-08-16 | 山东汇海医药化工有限公司 | 一种提高5-乙酰乙酰氨基苯并咪唑酮质量的方法 |
| CN110872259A (zh) * | 2019-12-11 | 2020-03-10 | 山东汇海医药化工有限公司 | 一种连续化生产5-乙酰乙酰氨基苯并咪唑酮的方法 |
| CN110845424B (zh) * | 2019-12-11 | 2021-03-26 | 山东汇海医药化工有限公司 | 一种5-乙酰乙酰氨基苯并咪唑酮的制备方法 |
| CN111039872A (zh) * | 2019-12-11 | 2020-04-21 | 山东汇海医药化工有限公司 | 一种提高5-乙酰乙酰氨基苯并咪唑酮收率的方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1644231A1 (de) * | 1967-10-27 | 1970-12-10 | Hoechst Ag | Wasserunloeslicher Monoazofarbstoff und Verfahren zu seiner Herstellung |
| DE2518922C2 (de) * | 1975-04-29 | 1982-08-19 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Herstellung von 5- Acetoacetylaminobenzimidazolon-(2) |
| DE2612391C2 (de) * | 1976-03-24 | 1982-09-23 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Herstellung von 5-Acetoacetylaminobenzimidazolon-(2) |
| JPS57126453A (en) * | 1981-01-28 | 1982-08-06 | Dainippon Ink & Chem Inc | Production of acetoacetic anilide |
| JPH05213896A (ja) * | 1992-02-07 | 1993-08-24 | Honsyu Kagaku Kogyo Kk | ５−アセトアセチルアミノベンズイミダゾロンの製造方法 |
-
1993
- 1993-10-19 DE DE4335614A patent/DE4335614A1/de not_active Withdrawn
-
1994
- 1994-10-14 EP EP94116235A patent/EP0648748B1/de not_active Expired - Lifetime
- 1994-10-14 DE DE59402596T patent/DE59402596D1/de not_active Expired - Fee Related
- 1994-10-14 DK DK94116235.6T patent/DK0648748T3/da active
- 1994-10-17 CN CN94117292A patent/CN1106391A/zh active Pending
- 1994-10-18 JP JP25248894A patent/JP3575839B2/ja not_active Expired - Fee Related
- 1994-10-18 CA CA002118378A patent/CA2118378C/en not_active Expired - Fee Related
- 1994-10-18 KR KR1019940026578A patent/KR100352807B1/ko not_active IP Right Cessation
- 1994-10-19 US US08/325,780 patent/US5476948A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2118378C (en) | 2004-12-14 |
| EP0648748A1 (de) | 1995-04-19 |
| JPH07188182A (ja) | 1995-07-25 |
| CA2118378A1 (en) | 1995-04-20 |
| EP0648748B1 (de) | 1997-05-02 |
| CN1106391A (zh) | 1995-08-09 |
| US5476948A (en) | 1995-12-19 |
| DE4335614A1 (de) | 1995-04-27 |
| DE59402596D1 (de) | 1997-06-05 |
| JP3575839B2 (ja) | 2004-10-13 |
| DK0648748T3 (da) | 1997-10-13 |
| KR100352807B1 (ko) | 2002-12-26 |
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