DK139678B - Fremgangsmåde til fremstilling af 2,2,6,6-tetramethyl-4-oxopiperidin. - Google Patents
Fremgangsmåde til fremstilling af 2,2,6,6-tetramethyl-4-oxopiperidin.Info
- Publication number
- DK139678B DK139678B DK330874AA DK330874A DK139678B DK 139678 B DK139678 B DK 139678B DK 330874A A DK330874A A DK 330874AA DK 330874 A DK330874 A DK 330874A DK 139678 B DK139678 B DK 139678B
- Authority
- DK
- Denmark
- Prior art keywords
- oxopiperidine
- tetramethyl
- preparation
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D211/68—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
- C07D211/72—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, directly attached to ring carbon atoms
- C07D211/74—Oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/02—Preparation by ring-closure or hydrogenation
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH924173A CH574412A5 (en) | 1973-06-25 | 1973-06-25 | 2,2,6,6-Tetra-methyl-4-oxo-piperidine prepn. - from acetone and ammonia with acid catalyst in two stages with addn. of further acetone in second stage |
| CH1425773 | 1973-10-05 | ||
| CH543974 | 1974-04-19 | ||
| CH559974 | 1974-04-24 | ||
| CH701874A CH582147A5 (en) | 1974-05-22 | 1974-05-22 | 2,2,6,6-Tetra-methyl-4-oxo-piperidine prepn. - from acetone and ammonia with acid catalyst in two stages with addn. of further acetone in second stage |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK330874A DK330874A (da) | 1975-02-17 |
| DK139678B true DK139678B (da) | 1979-03-26 |
| DK139678C DK139678C (da) | 1979-09-10 |
Family
ID=27509238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK330874AA DK139678B (da) | 1973-06-25 | 1974-06-20 | Fremgangsmåde til fremstilling af 2,2,6,6-tetramethyl-4-oxopiperidin. |
Country Status (19)
| Country | Link |
|---|---|
| JP (1) | JPS5929589B2 (da) |
| AR (1) | AR202653A1 (da) |
| AT (1) | AT338262B (da) |
| BG (1) | BG27080A3 (da) |
| CA (1) | CA1027950A (da) |
| DD (1) | DD112443A5 (da) |
| DE (1) | DE2429937A1 (da) |
| DK (1) | DK139678B (da) |
| FI (1) | FI190574A (da) |
| FR (1) | FR2234291B1 (da) |
| GB (1) | GB1461703A (da) |
| HU (1) | HU176761B (da) |
| IE (1) | IE39523B1 (da) |
| IL (1) | IL45095A (da) |
| IT (1) | IT1021057B (da) |
| LU (1) | LU70387A1 (da) |
| NL (1) | NL190846C (da) |
| NO (1) | NO742255L (da) |
| SE (1) | SE403478B (da) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2807172A1 (de) * | 1978-02-20 | 1979-08-23 | Huels Chemische Werke Ag | Verfahren zur herstellung von 2,2,6,6-tetramethylpiperidon-(4) |
| IT1094039B (it) * | 1978-03-31 | 1985-07-26 | Chimosa Chimica Organica Spa | Processo per la preparazione di 2,2,6,6-tetrametil-4-piperidone |
| US4275211A (en) * | 1978-11-17 | 1981-06-23 | Ciba-Geigy Corporation | Process for preparing 2,2,6,6-tetraalkyl-4-oxopiperidines |
| DE2916471A1 (de) * | 1979-04-24 | 1980-11-06 | Hoechst Ag | Verfahren zur herstellung von 2,2, 6,6-tetramethylpiperidon-4 |
| DE3013403A1 (de) * | 1980-04-05 | 1981-10-08 | Hoechst Ag, 6000 Frankfurt | Verfahren zur herstellung von 2,2,6,6-tetramethylpiperdon-4 |
| DE3119514A1 (de) * | 1981-05-15 | 1983-02-24 | Empresa Cubana Exportadora e Importadora de Productos Médicos Medicuba, La Habana | Triacetonaminhydrochlorid, verfahren zu seiner herstellung und arzneimittel |
| JPH0739389B2 (ja) * | 1986-03-03 | 1995-05-01 | 吉富製薬株式会社 | ２，２，６，６−テトラメチル−４−オキソピペリジンの製造方法 |
| DE19634157A1 (de) * | 1996-08-23 | 1998-02-26 | Basf Ag | Verfahren zur Herstellung von 2,2,6,6-Tetramethylpiperidin-4-on |
| DE102012215903A1 (de) | 2012-09-07 | 2014-03-13 | Evonik Industries Ag | Verfahren zur Behandlung eines Abwasserstroms, der bei der Aufarbeitung eines Triacetonamin-haltigen Reaktionsgemisches entsteht |
| DE102012215900A1 (de) | 2012-09-07 | 2014-05-15 | Evonik Industries Ag | Verfahren zur Herstellung und Aufarbeitung eines Triacetonamin-haltigen Reaktionsgemisches |
| EP3663284B1 (de) | 2018-12-07 | 2021-02-03 | Evonik Operations GmbH | Verbessertes verfahren zur herstellung von triacetonamin |
| EP3750876A1 (de) | 2019-06-13 | 2020-12-16 | Evonik Operations GmbH | Verfahren zur herstellung von triacetonamin, 2,2,4,6-tetramethylpiperidin und/oder den salzen des 2,2,4,6-tetramethylpiperidins |
| US11731940B2 (en) | 2020-05-07 | 2023-08-22 | Evonik Operations Gmbh | Process for preparing triacetonamine |
| EP4279484A1 (de) | 2022-05-17 | 2023-11-22 | Sabo GmbH | Verbessertes verfahren zur herstellung von triacetonamin |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3513170A (en) * | 1966-07-23 | 1970-05-19 | Sankyo Co | Preparation of 2,2,6,6-tetramethyl-4-oxopiperidine |
-
1974
- 1974-06-20 FI FI1905/74A patent/FI190574A/fi unknown
- 1974-06-20 SE SE7408172A patent/SE403478B/xx unknown
- 1974-06-20 NO NO742255A patent/NO742255L/no unknown
- 1974-06-20 DK DK330874AA patent/DK139678B/da unknown
- 1974-06-21 AT AT517774A patent/AT338262B/de not_active IP Right Cessation
- 1974-06-21 DE DE2429937A patent/DE2429937A1/de active Granted
- 1974-06-21 AR AR254314A patent/AR202653A1/es active
- 1974-06-21 BG BG7427040A patent/BG27080A3/xx unknown
- 1974-06-21 DD DD179373A patent/DD112443A5/xx unknown
- 1974-06-21 IE IE1302/74A patent/IE39523B1/xx unknown
- 1974-06-21 GB GB2760474A patent/GB1461703A/en not_active Expired
- 1974-06-21 HU HUCI001483 patent/HU176761B/hu unknown
- 1974-06-21 NL NL7408409A patent/NL190846C/xx not_active IP Right Cessation
- 1974-06-21 JP JP49071215A patent/JPS5929589B2/ja not_active Expired
- 1974-06-21 IT IT24300/74A patent/IT1021057B/it active
- 1974-06-21 FR FR7421684A patent/FR2234291B1/fr not_active Expired
- 1974-06-21 LU LU70387*A patent/LU70387A1/xx unknown
- 1974-06-21 CA CA203,059A patent/CA1027950A/en not_active Expired
- 1974-06-21 IL IL45095A patent/IL45095A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5929589B2 (ja) | 1984-07-21 |
| IE39523B1 (en) | 1978-10-25 |
| JPS5036473A (da) | 1975-04-05 |
| NL190846B (nl) | 1994-04-18 |
| DK330874A (da) | 1975-02-17 |
| DD112443A5 (de) | 1975-04-12 |
| FR2234291A1 (da) | 1975-01-17 |
| NL190846C (nl) | 1994-09-16 |
| IE39523L (en) | 1974-12-25 |
| NL7408409A (da) | 1974-12-30 |
| DE2429937A1 (de) | 1975-01-16 |
| CA1027950A (en) | 1978-03-14 |
| AR202653A1 (es) | 1975-06-30 |
| DK139678C (da) | 1979-09-10 |
| GB1461703A (en) | 1977-01-19 |
| SE7408172L (da) | 1974-12-27 |
| BG27080A3 (da) | 1979-08-15 |
| AT338262B (de) | 1977-08-10 |
| HU176761B (en) | 1981-05-28 |
| IT1021057B (it) | 1978-01-30 |
| FI190574A (da) | 1974-12-26 |
| ATA517774A (de) | 1976-12-15 |
| FR2234291B1 (da) | 1980-01-25 |
| IL45095A0 (en) | 1974-09-10 |
| IL45095A (en) | 1977-05-31 |
| AU7043274A (en) | 1976-01-08 |
| NO742255L (da) | 1975-01-20 |
| LU70387A1 (da) | 1976-04-13 |
| DE2429937C2 (da) | 1988-01-28 |
| SE403478B (sv) | 1978-08-21 |
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