KR910019951A - 2,3-디브로모프로피오닐 클로라이드의 제조방법 - Google Patents
2,3-디브로모프로피오닐 클로라이드의 제조방법 Download PDFInfo
- Publication number
- KR910019951A KR910019951A KR1019910007741A KR910007741A KR910019951A KR 910019951 A KR910019951 A KR 910019951A KR 1019910007741 A KR1019910007741 A KR 1019910007741A KR 910007741 A KR910007741 A KR 910007741A KR 910019951 A KR910019951 A KR 910019951A
- Authority
- KR
- South Korea
- Prior art keywords
- iron
- chloride
- iii
- dibromopropionyl
- preparing
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/58—Preparation of carboxylic acid halides
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
- C07C51/363—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by introduction of halogen; by substitution of halogen atoms by other halogen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/58—Preparation of carboxylic acid halides
- C07C51/60—Preparation of carboxylic acid halides by conversion of carboxylic acids or their anhydrides or esters, lactones, salts into halides with the same carboxylic acid part
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (8)
- a)아크릴산을 브롬화시키는 단계, b)생성 용융액에 철 분말 또는 철 염을 가하는 단계, c)수득된 디브로모프로피온산을 2,3-디브로모프로피오닐 클로라이드로 염소화시키는 단계 및 d)휘발성 성분을 제거라는 단계를 포함함을 특징으로 하는 2,3-디브로모프로피오닐 클로라이드의 제조방법
- 제1항에 있어서, 단계a) 브롬화를 20내지 70℃의 온도에서 액체 브롬을 사용하여 수행하는 방법.
- 제1항에 있어서, 단계 b)의 철 염을 염화철(Ⅲ), 염화철(Ⅱ), 요오드화철(Ⅱ), 질산철(Ⅱ), 브롬화철(Ⅲ), 산화철(Ⅱ), 산화철(Ⅲ), 수산화철(Ⅱ), 수산화철(II) 수산화철(III)및 황산철(Ⅱ)로 이루어진 그룹중에서 선택하는 법
- 제3항에 있어서, 단계 b)의 철 염을 염화철(Ⅲ)인 방법.
- 제1항에 있어서, 단계c)의 염소화를 과량의 염소화제를 사용하여 수행하는 방법.
- 제5항에 있어서, 염소화제가 티오닐 클로라이드인 방법.
- a)아크릴산을 20내지 70℃온도 범위에서 액체 브롬을 사용하여 브롬화시키는 단계, b)디브로모프로피온산 생성 용융액에 수성 용액 형태인 염화철(Ⅲ)을 가하는 단계,c)수득된 디브로모프로피온산을 과량(5내지25%)의 티오닐 클로라이드를 사용하여 2,3-디브로모프로피오닐 클로라이드로 염소화시키는 단계 및 d)휘발성 성분을 제거하는 단계를 포함함을 특징으로 하는 2,3-디브로모프로피오닐 클로라이드의 제조방법.
- 제1항에 따른 방법으로 수득된 2,3-디브로모프로피오닐 클로라이드.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH166690 | 1990-05-17 | ||
CH1666/90-0 | 1990-05-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR910019951A true KR910019951A (ko) | 1991-12-19 |
Family
ID=4215784
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019910007741A KR910019951A (ko) | 1990-05-17 | 1991-05-14 | 2,3-디브로모프로피오닐 클로라이드의 제조방법 |
Country Status (9)
Country | Link |
---|---|
US (1) | US5344977A (ko) |
EP (1) | EP0457725B1 (ko) |
JP (1) | JPH04226935A (ko) |
KR (1) | KR910019951A (ko) |
AR (1) | AR246946A1 (ko) |
BR (1) | BR9101999A (ko) |
DE (1) | DE59104842D1 (ko) |
ES (1) | ES2069869T3 (ko) |
TW (1) | TW204339B (ko) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101560147B (zh) * | 2009-05-26 | 2012-02-01 | 浙江大学 | 2,3-二溴-2-甲基丙酸的合成方法 |
CN106588639A (zh) * | 2016-06-29 | 2017-04-26 | 宁夏海诚电化信息科技有限公司 | 一种2,3‑二溴丙酰氯生产工艺 |
CN116023257B (zh) * | 2023-03-27 | 2023-07-25 | 烟台泰和新材高分子新材料研究院有限公司 | 一种高纯度丙酰氯的连续生产方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1805162A (en) * | 1928-10-11 | 1931-05-12 | Dow Chemical Co | Preparation of aliphatic acid chlorides |
US3364259A (en) * | 1964-01-17 | 1968-01-16 | Aerojet General Co | Preparation of trimesoyl chloride |
US4039523A (en) * | 1970-12-22 | 1977-08-02 | Ciba-Geigy Ag | 3-Sulfoalkyl-6-hydroxy-pyrid-(2)-one-containing azo dyestuffs |
DE2114158A1 (de) * | 1971-03-24 | 1972-09-28 | Bayer Ag | Reaktivfarbstoffe |
JPS57163342A (en) * | 1981-03-30 | 1982-10-07 | Seitetsu Kagaku Co Ltd | Preparation of 3,4,5-trimethoxybenzoic acid halide |
DE3220729A1 (de) * | 1982-06-02 | 1983-12-08 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von terephthalsaeure- und isophthalsaeuredichlorid |
DE3372292D1 (en) * | 1982-12-20 | 1987-08-06 | Ciba Geigy Ag | Reactive dyes, their preparation and their use |
DE3577719D1 (de) * | 1984-10-15 | 1990-06-21 | Ciba Geigy Ag | Reaktivfarbstoffe, deren herstellung und verwendung. |
US4855410A (en) * | 1985-07-30 | 1989-08-08 | Ciba-Geigy Corporation | Process for the preparation of fibre-reactive azo compounds containing a phenylenediamine diazo component |
ES2053804T3 (es) * | 1987-09-21 | 1994-08-01 | Ciba Geigy Ag | Procedimiento para teñir o estampar materiales de fibras poliamidicas naturales o sinteticas con colorantes reactivos. |
DE58907709D1 (de) * | 1988-06-29 | 1994-06-30 | Ciba Geigy | Faserreaktive Formazanfarbstoffe, Verfahren zu deren Herstellung und deren Verwendung. |
US4892870A (en) * | 1988-08-01 | 1990-01-09 | Biofor, Ltd. | Oxaza heterocycles and pharmaceutical compositions containing same |
-
1991
- 1991-04-30 TW TW080103371A patent/TW204339B/zh active
- 1991-05-08 EP EP91810353A patent/EP0457725B1/de not_active Expired - Lifetime
- 1991-05-08 ES ES91810353T patent/ES2069869T3/es not_active Expired - Lifetime
- 1991-05-08 DE DE59104842T patent/DE59104842D1/de not_active Expired - Fee Related
- 1991-05-14 KR KR1019910007741A patent/KR910019951A/ko not_active Application Discontinuation
- 1991-05-14 AR AR91319690A patent/AR246946A1/es active
- 1991-05-16 BR BR919101999A patent/BR9101999A/pt unknown
- 1991-05-17 JP JP3112778A patent/JPH04226935A/ja not_active Withdrawn
-
1993
- 1993-01-22 US US08/008,056 patent/US5344977A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE59104842D1 (de) | 1995-04-13 |
EP0457725A2 (de) | 1991-11-21 |
AR246946A1 (es) | 1994-10-31 |
US5344977A (en) | 1994-09-06 |
ES2069869T3 (es) | 1995-05-16 |
EP0457725A3 (en) | 1992-02-26 |
BR9101999A (pt) | 1991-12-24 |
JPH04226935A (ja) | 1992-08-17 |
EP0457725B1 (de) | 1995-03-08 |
TW204339B (ko) | 1993-04-21 |
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Legal Events
Date | Code | Title | Description |
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WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |