ES2165108T3 - Procedimiento para la sintesis de uretanos aromaticos. - Google Patents
Procedimiento para la sintesis de uretanos aromaticos.Info
- Publication number
- ES2165108T3 ES2165108T3 ES98106933T ES98106933T ES2165108T3 ES 2165108 T3 ES2165108 T3 ES 2165108T3 ES 98106933 T ES98106933 T ES 98106933T ES 98106933 T ES98106933 T ES 98106933T ES 2165108 T3 ES2165108 T3 ES 2165108T3
- Authority
- ES
- Spain
- Prior art keywords
- aromatic
- reaction
- procedure
- synthesis
- urethans
- 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
- 238000000034 method Methods 0.000 title abstract 3
- 230000015572 biosynthetic process Effects 0.000 title abstract 2
- 238000003786 synthesis reaction Methods 0.000 title abstract 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 abstract 1
- 150000004982 aromatic amines Chemical class 0.000 abstract 1
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 239000011968 lewis acid catalyst Substances 0.000 abstract 1
- 150000005677 organic carbonates Chemical class 0.000 abstract 1
- 239000011541 reaction mixture Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C269/00—Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
- C07C269/04—Preparation of derivatives of carbamic acid, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups from amines with formation of carbamate groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Abstract
LA INVENCION SE REFIERE A UN PROCEDIMIENTO DE SINTESIS DE URETANOS AROMATICOS QUE COMPRENDE LAS SIGUIENTES FASES: - HACER REACCIONAR UN CARBONATO ORGANICO, EN CANTIDAD ESTEQUIOMETRICA O SUPERIOR A DICHO VALOR, CON UNA AMINA AROMATICA, DE FORMULA (I-III), EN PRESENCIA DE UN CATALIZADOR DE ACIDO DE LEWIS, A UNA TEMPERATURA ENTRE 100-190 (GRADOS) C, EN PRESENCIA DE UNA CANTIDAD DE ALCOHOL COMPRENDIDA ENTRE EL 10 Y EL 40 % EN MOLES, CON RESPECTO A LA CANTIDAD TOTAL DE ALCOHOL COPRODUCIDA DURANTE LA REACCION Y - RECUPERAR EL URETANO AROMATICO A PARTIR DE LA MEZCLA DE REACCION. DICHO PROCEDIMIENTO PERMITE ELEVADOS RENDIMIENTOS Y SELECTIVIDADES PARA EL PRODUCTO DE REACCION UTIL.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT97MI001261A IT1292030B1 (it) | 1997-05-29 | 1997-05-29 | Procedimento per la sintesi di uretani aromatici |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2165108T3 true ES2165108T3 (es) | 2002-03-01 |
Family
ID=11377245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES98106933T Expired - Lifetime ES2165108T3 (es) | 1997-05-29 | 1998-04-16 | Procedimiento para la sintesis de uretanos aromaticos. |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US6034265A (es) |
| EP (1) | EP0881213B1 (es) |
| JP (1) | JP4201881B2 (es) |
| AT (1) | ATE205825T1 (es) |
| DE (1) | DE69801708T2 (es) |
| DK (1) | DK0881213T3 (es) |
| ES (1) | ES2165108T3 (es) |
| IT (1) | IT1292030B1 (es) |
| PT (1) | PT881213E (es) |
| SI (1) | SI0881213T1 (es) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1318395B1 (it) * | 2000-03-17 | 2003-08-25 | Enichem Spa | Processo in continuo per la sintesi di uretani aromatici. |
| DE10253289A1 (de) * | 2002-11-15 | 2004-06-03 | Basf Coatings Ag | Mit aktinischer Strahlung aktivierbare, urethangruppenhaltige Verbindungen, Verfahren zu ihrer Herstellung und ihre Verwendung |
| EP2036884A1 (en) | 2007-09-14 | 2009-03-18 | Repsol Ypf S.A. | Process for producing fluorinated isocyanates and carbamates |
| CA2705874C (en) | 2007-11-19 | 2013-10-29 | Masaaki Shinohata | Process for producing isocyanates and aromatic hydroxy compounds from aromatic polycarbonate resins |
| CA2721359C (en) * | 2008-05-15 | 2014-05-06 | Asahi Kasei Chemicals Corporation | Isocyanate production process |
| RU2523201C2 (ru) * | 2008-05-15 | 2014-07-20 | Асахи Касеи Кемикалз Корпорейшн | Способ получения изоцианатов с использованием диарилкарбоната |
| ES2331505B2 (es) | 2008-07-04 | 2010-09-20 | Universidad Politecnica De Valencia | Preparacion de carbamatos con catalizadores solidos. |
| EP2199278B1 (en) * | 2008-12-19 | 2011-09-14 | Dow Global Technologies LLC | Process for the Production of Aromatic Urethanes |
| CN111971119B (zh) * | 2018-03-28 | 2023-12-08 | 科思创知识产权两合公司 | 用于氨基甲酸酯合成的多相催化剂 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3763217A (en) * | 1970-12-03 | 1973-10-02 | Halcon International Inc | Preparation of carbamates |
| US4268683A (en) * | 1980-02-21 | 1981-05-19 | The Dow Chemical Company | Preparation of carbamates from aromatic amines and organic carbonates |
| IT1229144B (it) * | 1989-04-07 | 1991-07-22 | Enichem Sintesi | Procedimento per la produzione di carbammati. |
-
1997
- 1997-05-29 IT IT97MI001261A patent/IT1292030B1/it active IP Right Grant
-
1998
- 1998-04-16 DE DE69801708T patent/DE69801708T2/de not_active Expired - Lifetime
- 1998-04-16 ES ES98106933T patent/ES2165108T3/es not_active Expired - Lifetime
- 1998-04-16 AT AT98106933T patent/ATE205825T1/de not_active IP Right Cessation
- 1998-04-16 PT PT98106933T patent/PT881213E/pt unknown
- 1998-04-16 EP EP98106933A patent/EP0881213B1/en not_active Expired - Lifetime
- 1998-04-16 DK DK98106933T patent/DK0881213T3/da active
- 1998-04-16 SI SI9830085T patent/SI0881213T1/xx unknown
- 1998-04-22 US US09/064,166 patent/US6034265A/en not_active Expired - Lifetime
- 1998-05-22 JP JP14147298A patent/JP4201881B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE69801708D1 (de) | 2001-10-25 |
| JP4201881B2 (ja) | 2008-12-24 |
| ITMI971261A1 (it) | 1998-11-29 |
| DE69801708T2 (de) | 2002-07-11 |
| JPH111462A (ja) | 1999-01-06 |
| PT881213E (pt) | 2002-03-28 |
| SI0881213T1 (en) | 2002-04-30 |
| US6034265A (en) | 2000-03-07 |
| EP0881213B1 (en) | 2001-09-19 |
| ITMI971261A0 (es) | 1997-05-29 |
| EP0881213A3 (en) | 1999-01-20 |
| ATE205825T1 (de) | 2001-10-15 |
| IT1292030B1 (it) | 1999-01-25 |
| DK0881213T3 (da) | 2001-12-17 |
| EP0881213A2 (en) | 1998-12-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG2A | Definitive protection |
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