BG27080A3 - - Google Patents
Info
- Publication number
- BG27080A3 BG27080A3 BG7427040A BG2704074A BG27080A3 BG 27080 A3 BG27080 A3 BG 27080A3 BG 7427040 A BG7427040 A BG 7427040A BG 2704074 A BG2704074 A BG 2704074A BG 27080 A3 BG27080 A3 BG 27080A3
- Authority
- BG
- Bulgaria
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Hydrogenated Pyridines (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
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 (1)
| Publication Number | Publication Date |
|---|---|
| BG27080A3 true BG27080A3 (fr) | 1979-08-15 |
Family
ID=27509238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BG7427040A BG27080A3 (fr) | 1973-06-25 | 1974-06-21 |
Country Status (19)
| Country | Link |
|---|---|
| JP (1) | JPS5929589B2 (fr) |
| AR (1) | AR202653A1 (fr) |
| AT (1) | AT338262B (fr) |
| BG (1) | BG27080A3 (fr) |
| CA (1) | CA1027950A (fr) |
| DD (1) | DD112443A5 (fr) |
| DE (1) | DE2429937A1 (fr) |
| DK (1) | DK139678B (fr) |
| FI (1) | FI190574A (fr) |
| FR (1) | FR2234291B1 (fr) |
| GB (1) | GB1461703A (fr) |
| HU (1) | HU176761B (fr) |
| IE (1) | IE39523B1 (fr) |
| IL (1) | IL45095A (fr) |
| IT (1) | IT1021057B (fr) |
| LU (1) | LU70387A1 (fr) |
| NL (1) | NL190846C (fr) |
| NO (1) | NO742255L (fr) |
| SE (1) | SE403478B (fr) |
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 |
| DE102012215900A1 (de) | 2012-09-07 | 2014-05-15 | Evonik Industries Ag | Verfahren zur Herstellung und Aufarbeitung eines Triacetonamin-haltigen Reaktionsgemisches |
| 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 |
| EP3663284B1 (fr) | 2018-12-07 | 2021-02-03 | Evonik Operations GmbH | Procédé amélioré de production de la triacétonamine |
| EP3750876A1 (fr) | 2019-06-13 | 2020-12-16 | Evonik Operations GmbH | Procédé de production de triacetonamine, de 2,2,4,6-tétraméthylpipéridine et / ou de sels de la 2,2,4,6-tétraméthylpipéridine |
| US11731940B2 (en) | 2020-05-07 | 2023-08-22 | Evonik Operations Gmbh | Process for preparing triacetonamine |
| EP4279484A1 (fr) | 2022-05-17 | 2023-11-22 | Sabo GmbH | Procédé amélioré de production de triacétonamine |
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 NO NO742255A patent/NO742255L/no unknown
- 1974-06-20 DK DK330874AA patent/DK139678B/da unknown
- 1974-06-20 SE SE7408172A patent/SE403478B/xx unknown
- 1974-06-21 CA CA203,059A patent/CA1027950A/fr not_active Expired
- 1974-06-21 IT IT24300/74A patent/IT1021057B/it active
- 1974-06-21 NL NL7408409A patent/NL190846C/xx not_active IP Right Cessation
- 1974-06-21 DE DE2429937A patent/DE2429937A1/de active Granted
- 1974-06-21 LU LU70387*A patent/LU70387A1/xx unknown
- 1974-06-21 AR AR254314A patent/AR202653A1/es active
- 1974-06-21 DD DD179373A patent/DD112443A5/xx unknown
- 1974-06-21 JP JP49071215A patent/JPS5929589B2/ja not_active Expired
- 1974-06-21 IE IE1302/74A patent/IE39523B1/xx unknown
- 1974-06-21 AT AT517774A patent/AT338262B/de not_active IP Right Cessation
- 1974-06-21 BG BG7427040A patent/BG27080A3/xx unknown
- 1974-06-21 IL IL45095A patent/IL45095A/en unknown
- 1974-06-21 HU HUCI001483 patent/HU176761B/hu unknown
- 1974-06-21 FR FR7421684A patent/FR2234291B1/fr not_active Expired
- 1974-06-21 GB GB2760474A patent/GB1461703A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AR202653A1 (es) | 1975-06-30 |
| LU70387A1 (fr) | 1976-04-13 |
| DK139678B (da) | 1979-03-26 |
| FR2234291A1 (fr) | 1975-01-17 |
| JPS5036473A (fr) | 1975-04-05 |
| IE39523L (en) | 1974-12-25 |
| CA1027950A (fr) | 1978-03-14 |
| IL45095A0 (en) | 1974-09-10 |
| IT1021057B (it) | 1978-01-30 |
| DE2429937C2 (fr) | 1988-01-28 |
| AU7043274A (en) | 1976-01-08 |
| HU176761B (en) | 1981-05-28 |
| DD112443A5 (de) | 1975-04-12 |
| NL190846C (nl) | 1994-09-16 |
| FR2234291B1 (fr) | 1980-01-25 |
| JPS5929589B2 (ja) | 1984-07-21 |
| IE39523B1 (en) | 1978-10-25 |
| SE403478B (sv) | 1978-08-21 |
| GB1461703A (en) | 1977-01-19 |
| AT338262B (de) | 1977-08-10 |
| DK139678C (fr) | 1979-09-10 |
| SE7408172L (fr) | 1974-12-27 |
| ATA517774A (de) | 1976-12-15 |
| NL190846B (nl) | 1994-04-18 |
| IL45095A (en) | 1977-05-31 |
| DE2429937A1 (de) | 1975-01-16 |
| NL7408409A (fr) | 1974-12-30 |
| DK330874A (fr) | 1975-02-17 |
| NO742255L (fr) | 1975-01-20 |
| FI190574A (fr) | 1974-12-26 |