ES2189643A1 - Produccion de anhidridos de acido y cloruros de acido. - Google Patents
Produccion de anhidridos de acido y cloruros de acido.Info
- Publication number
- ES2189643A1 ES2189643A1 ES200101222A ES200101222A ES2189643A1 ES 2189643 A1 ES2189643 A1 ES 2189643A1 ES 200101222 A ES200101222 A ES 200101222A ES 200101222 A ES200101222 A ES 200101222A ES 2189643 A1 ES2189643 A1 ES 2189643A1
- Authority
- ES
- Spain
- Prior art keywords
- acid
- production
- organic
- phosgene
- reaction medium
- 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.)
- Granted
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
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/56—Preparation of carboxylic acid anhydrides from organic acids, their salts, their esters or their halides, e.g. by carboxylation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Abstract
Producción de anhídridos de ácido y cloruros de ácido. Se proporciona un procedimiento que puede usarse para producir un anhídrido de ácido o un cloruro de ácido. El procedimiento comprende poner en contacto un medio de reacción con un catalizador. El medio de reacción comprende al menos un ácido orgánico, una combinación del ácido orgánico y fosgeno, una combinación de al menos un anhídrido orgánico y fosgeno, o combinaciones del ácido orgánico, el anhídrido orgánico y el fosgeno. El medio de reacción puede comprender además un disolvente. El catalizador es un haluro de un metal de transición del Grupo IVB.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/588883 | 2000-06-07 | ||
US09/588,883 US6429334B1 (en) | 2000-06-07 | 2000-06-07 | Production of acid anhydrides and acid chlorides |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2189643A1 true ES2189643A1 (es) | 2003-07-01 |
ES2189643B2 ES2189643B2 (es) | 2005-03-01 |
Family
ID=24355697
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES200101222A Expired - Fee Related ES2189643B2 (es) | 2000-06-07 | 2001-05-28 | Produccion de anhidridos de acido y cloruros de acido. |
Country Status (4)
Country | Link |
---|---|
US (1) | US6429334B1 (es) |
JP (1) | JP2002020347A (es) |
ES (1) | ES2189643B2 (es) |
NL (1) | NL1018174C2 (es) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004032871A1 (de) † | 2004-07-07 | 2006-02-09 | Bayer Materialscience Ag | Verfahren zur Herstellung von Polyisocyanaten durch adiabate Phosgenierung von primären Aminen |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3337622A (en) * | 1964-07-02 | 1967-08-22 | Union Carbide Corp | Process for the preparation of acid halides |
GB1268269A (en) * | 1968-06-19 | 1972-03-29 | Union Carbide Corp | Catalytic preparation of acid chlorides |
JPS577438A (en) * | 1980-06-17 | 1982-01-14 | Japan Tobacco Inc | Production of acid chloride |
US4623491A (en) * | 1984-06-18 | 1986-11-18 | Hoechst Aktiengesellschaft | Process for the preparation of halogenated aliphatic carboxylic acid fluorides |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB371946A (en) | 1931-01-31 | 1932-05-02 | British Celanese | Improvements in or relating to the manufacture of aliphatic anhydrides |
JPS5140041A (ja) | 1974-10-01 | 1976-04-03 | Matsushita Electric Ind Co Ltd | Hikarijohokenshutsusochi |
JPS56103314A (en) | 1980-01-22 | 1981-08-18 | Nissan Motor Co Ltd | Vehicle running guiding device |
JPS56103134A (en) | 1980-01-23 | 1981-08-18 | Mitsui Toatsu Chem Inc | Preparation of high-purity carboxylic acid chloride |
US5113016A (en) | 1987-07-31 | 1992-05-12 | E. I. Du Pont De Nemours And Company | Manufacture of phthaloyl chlorides |
US6002043A (en) | 1996-02-29 | 1999-12-14 | Rhone-Poulenc Agrochimie Department Propriete Industrielle | Phosgenation under pressure of acids and of anhydrides of acid chlorides |
-
2000
- 2000-06-07 US US09/588,883 patent/US6429334B1/en not_active Expired - Lifetime
-
2001
- 2001-05-28 ES ES200101222A patent/ES2189643B2/es not_active Expired - Fee Related
- 2001-05-30 NL NL1018174A patent/NL1018174C2/nl not_active IP Right Cessation
- 2001-06-07 JP JP2001172238A patent/JP2002020347A/ja active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3337622A (en) * | 1964-07-02 | 1967-08-22 | Union Carbide Corp | Process for the preparation of acid halides |
GB1268269A (en) * | 1968-06-19 | 1972-03-29 | Union Carbide Corp | Catalytic preparation of acid chlorides |
JPS577438A (en) * | 1980-06-17 | 1982-01-14 | Japan Tobacco Inc | Production of acid chloride |
US4623491A (en) * | 1984-06-18 | 1986-11-18 | Hoechst Aktiengesellschaft | Process for the preparation of halogenated aliphatic carboxylic acid fluorides |
Also Published As
Publication number | Publication date |
---|---|
US6429334B1 (en) | 2002-08-06 |
JP2002020347A (ja) | 2002-01-23 |
NL1018174A1 (nl) | 2001-12-10 |
ES2189643B2 (es) | 2005-03-01 |
NL1018174C2 (nl) | 2002-03-05 |
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Legal Events
Date | Code | Title | Description |
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EC2A | Search report published |
Date of ref document: 20030701 Kind code of ref document: A1 |
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FG2A | Definitive protection |
Ref document number: 2189643B2 Country of ref document: ES |
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FD1A | Patent lapsed |
Effective date: 20100315 |