ES483904A1 - Procedimiento para la obtencion de uretanos - Google Patents
Procedimiento para la obtencion de uretanosInfo
- Publication number
- ES483904A1 ES483904A1 ES483904A ES483904A ES483904A1 ES 483904 A1 ES483904 A1 ES 483904A1 ES 483904 A ES483904 A ES 483904A ES 483904 A ES483904 A ES 483904A ES 483904 A1 ES483904 A1 ES 483904A1
- Authority
- ES
- Spain
- Prior art keywords
- urethanes
- preparing urethanes
- compounds
- preparing
- selenium
- 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
Links
- 150000003673 urethanes Chemical class 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical class [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 abstract 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract 1
- 239000005864 Sulphur Substances 0.000 abstract 1
- 150000001298 alcohols Chemical class 0.000 abstract 1
- -1 aromatic nitro compounds Chemical class 0.000 abstract 1
- 229910002091 carbon monoxide Inorganic materials 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 229910052711 selenium Inorganic materials 0.000 abstract 1
- 239000011669 selenium Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C271/00—Derivatives of carbamic acids, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
- C07C271/06—Esters of carbamic acids
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)
- Polyurethanes Or Polyureas (AREA)
Abstract
Procedimiento para la obtención de uretanos, caracterizado porque compuestos nitro aromáticos se hacen reaccionar con alcoholes alifáticos, cicloalifáticos o aralifáticos y monoóxido de carbono en presencia de a) azufre y/o selenio y/o compuestos de estos elementos, b) compuestos amino aromáticos y/o compuestos urea aromáticos, así como, c) aminas orgánicas terciarias y/o sistemas catalizadores conteniendo sales alcalinas de ácidos débiles, que como componentes adicionales contiene, d) agentes de oxidación seleccionados del grupo compuesto de oxígeno, compuestos orgánicos conteniendo oxígeno químicamente ligado, de efecto oxidante, y compuestos inorgánicos conteniendo oxígeno químicamente ligado, de efecto oxidante, de los metales del 1º, 2º, 5º - 8º grupo secundario del sistema periódico de los elementos y e) amoniaco y/o aminas alifáticos, aralifáticas, cicloalifáticas o heterocíclicas con como mínimo un átomo de hidrógeno ligado al nitrógeno de la amina.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19782838754 DE2838754A1 (de) | 1978-09-06 | 1978-09-06 | Verfahren zur herstellung von urethanen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES483904A1 true ES483904A1 (es) | 1980-04-16 |
Family
ID=6048761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES483904A Expired ES483904A1 (es) | 1978-09-06 | 1979-09-05 | Procedimiento para la obtencion de uretanos |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4267353A (es) |
| EP (1) | EP0010585B1 (es) |
| JP (1) | JPS5538373A (es) |
| BR (1) | BR7905696A (es) |
| CA (1) | CA1129433A (es) |
| DE (2) | DE2838754A1 (es) |
| ES (1) | ES483904A1 (es) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3046982A1 (de) * | 1980-12-12 | 1982-07-15 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von urethanen |
| US5194660A (en) * | 1990-12-21 | 1993-03-16 | Union Carbide Chemicals & Plastics Technology Corporation | Processes for producing carbamates and isocyanates |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3895054A (en) * | 1972-08-30 | 1975-07-15 | Atlantic Richfield Co | Process for the manufacture of urethanes |
| US3993685A (en) * | 1974-10-21 | 1976-11-23 | Atlantic Richfield Company | Process for the production of urethanes |
| JPS5175043A (es) * | 1974-12-19 | 1976-06-29 | Mitsui Toatsu Chemicals | |
| US4186269A (en) | 1975-01-30 | 1980-01-29 | Mitsui Toatsu Chemicals, Incorporated | Process for producing an aromatic urethane |
| JPS51115444A (en) | 1975-04-02 | 1976-10-12 | Mitsui Toatsu Chem Inc | Process for preparation of urethanes |
| JPS51149242A (en) * | 1975-06-17 | 1976-12-22 | Mitsui Toatsu Chem Inc | Process for preparing urethanes |
| US4178455A (en) * | 1977-07-25 | 1979-12-11 | Mitsui Toatsu Chemicals, Incorporated | Process for preparing aromatic urethanes |
| US4134880A (en) * | 1978-01-19 | 1979-01-16 | Mitsui Toatsu Chemicals, Incorporated | Process for producing an aromatic urethane from nitro compounds, hydroxyl compounds and carbon monoxide using metal-Lewis acid-ammonia catalyst systems |
| DE2808980A1 (de) * | 1978-03-02 | 1979-09-13 | Bayer Ag | Verfahren zur herstellung von urethanen |
-
1978
- 1978-09-06 DE DE19782838754 patent/DE2838754A1/de not_active Withdrawn
-
1979
- 1979-08-15 CA CA333,809A patent/CA1129433A/en not_active Expired
- 1979-08-22 US US06/069,020 patent/US4267353A/en not_active Expired - Lifetime
- 1979-08-27 DE DE7979103156T patent/DE2960354D1/de not_active Expired
- 1979-08-27 EP EP79103156A patent/EP0010585B1/de not_active Expired
- 1979-09-04 JP JP11249079A patent/JPS5538373A/ja active Granted
- 1979-09-05 ES ES483904A patent/ES483904A1/es not_active Expired
- 1979-09-05 BR BR7905696A patent/BR7905696A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2960354D1 (en) | 1981-08-20 |
| BR7905696A (pt) | 1980-05-13 |
| JPS5538373A (en) | 1980-03-17 |
| US4267353A (en) | 1981-05-12 |
| DE2838754A1 (de) | 1980-03-20 |
| JPS6331461B2 (es) | 1988-06-23 |
| EP0010585B1 (de) | 1981-05-13 |
| CA1129433A (en) | 1982-08-10 |
| EP0010585A1 (de) | 1980-05-14 |
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