DE2429936A1 - Verfahren zur herstellung von 2,2,6,6tetramethyl-4-oxo-piperidin - Google Patents
Verfahren zur herstellung von 2,2,6,6tetramethyl-4-oxo-piperidinInfo
- Publication number
- DE2429936A1 DE2429936A1 DE2429936A DE2429936A DE2429936A1 DE 2429936 A1 DE2429936 A1 DE 2429936A1 DE 2429936 A DE2429936 A DE 2429936A DE 2429936 A DE2429936 A DE 2429936A DE 2429936 A1 DE2429936 A1 DE 2429936A1
- Authority
- DE
- Germany
- Prior art keywords
- acid
- acetone
- reaction
- catalyst
- acetonin
- 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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Hydrogenated Pyridines (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH924073A CH574411A5 (en) | 1973-06-25 | 1973-06-25 | 2,2,6,6-Tetramethyl-4-oxo-piperidine prepn. - by acid catalyst treatment of 2,2,4,4,6-pentamethyl 2,3,4,5-tetrahydro-pyrimidine |
| CH543874 | 1974-04-19 | ||
| CH701774A CH582146A5 (en) | 1974-05-22 | 1974-05-22 | 2,2,6,6-Tetramethyl-4-oxo-piperidine prepn. - by acid catalyst treatment of 2,2,4,4,6-pentamethyl 2,3,4,5-tetrahydro-pyrimidine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2429936A1 true DE2429936A1 (de) | 1975-01-16 |
| DE2429936C2 DE2429936C2 (US07223432-20070529-C00017.png) | 1987-03-12 |
Family
ID=27175209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2429936A Granted DE2429936A1 (de) | 1973-06-25 | 1974-06-21 | Verfahren zur herstellung von 2,2,6,6tetramethyl-4-oxo-piperidin |
Country Status (22)
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2916471A1 (de) * | 1979-04-24 | 1980-11-06 | Hoechst Ag | Verfahren zur herstellung von 2,2, 6,6-tetramethylpiperidon-4 |
| EP2706045A1 (de) | 2012-09-07 | 2014-03-12 | Evonik Industries AG | Verfahren zur Behandlung eines Abwasserstroms, der bei der Aufarbeitung eines Triacetonamin-haltigen Reaktionsgemisches entsteht |
| EP2706056A1 (de) | 2012-09-07 | 2014-03-12 | Evonik Industries AG | Verfahren zur Herstellung und Aufarbeitung eines Triacetonamin-haltigen Reaktionsgemisches |
| EP3663284A1 (de) | 2018-12-07 | 2020-06-10 | Evonik Operations GmbH | Verbessertes verfahren zur herstellung von triacetonamin |
| EP3750877A1 (de) | 2019-06-13 | 2020-12-16 | Evonik Operations GmbH | Verfahren zur herstellung von triacetonamin und 2,2,4,6-tetramethylpiperidin |
| EP3907217A1 (de) | 2020-05-07 | 2021-11-10 | Evonik Operations GmbH | Verbessertes verfahren zur herstellung von triacetonamin |
| EP4279484A1 (de) | 2022-05-17 | 2023-11-22 | Sabo GmbH | Verbessertes verfahren zur herstellung von triacetonamin |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5291080A (en) * | 1976-01-28 | 1977-08-01 | Nikka Kk | Surface treatment method of molded rubber article |
| US4252958A (en) * | 1977-12-21 | 1981-02-24 | Argus Chemical Corporation | Process for preparing 2,2,6,6-Tetramethyl-4-oxopiperidine |
| US4275211A (en) * | 1978-11-17 | 1981-06-23 | Ciba-Geigy Corporation | Process for preparing 2,2,6,6-tetraalkyl-4-oxopiperidines |
| FR2510569B1 (fr) * | 1981-07-30 | 1987-02-06 | Cubana Export Import | Compose cytostatique et procede de preparation |
| JPS60172963A (ja) * | 1984-02-16 | 1985-09-06 | Adeka Argus Chem Co Ltd | ２，２，６，６−テトラメチル−４−オキソピペリジンの製造方法 |
| JPS60172962A (ja) * | 1984-02-16 | 1985-09-06 | Adeka Argus Chem Co Ltd | ２，２，６，６−テトラメチル−４−オキソピペリジンの製造法 |
| 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 |
| US4734502A (en) * | 1986-12-22 | 1988-03-29 | Ici Americas Inc. | Process for the preparation of 2,2,6,6-tetramethyl-4-oxopiperidine |
Citations (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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1535012A (fr) * | 1966-07-23 | 1968-08-02 | Sankyo Co | Procédé de fabrication de 4-oxopipéridines et nouveaux composés obtenus |
-
1974
- 1974-01-01 AR AR254313A patent/AR204926A1/es active
- 1974-06-20 FI FI1904/74A patent/FI190474A/fi unknown
- 1974-06-20 NO NO742256A patent/NO742256L/no unknown
- 1974-06-20 DK DK330774A patent/DK330774A/da unknown
- 1974-06-21 IL IL45096A patent/IL45096A/en unknown
- 1974-06-21 GB GB2760374A patent/GB1461702A/en not_active Expired
- 1974-06-21 RO RO7479253A patent/RO67194A/ro unknown
- 1974-06-21 DE DE2429936A patent/DE2429936A1/de active Granted
- 1974-06-21 JP JP49071214A patent/JPS596852B2/ja not_active Expired
- 1974-06-21 US US05/481,921 patent/US3953459A/en not_active Expired - Lifetime
- 1974-06-21 BR BR5079/74A patent/BR7405079D0/pt unknown
- 1974-06-21 IE IE1301/74A patent/IE39522B1/xx unknown
- 1974-06-21 CA CA203,060A patent/CA1027951A/en not_active Expired
- 1974-06-21 DD DD179361A patent/DD112758A5/xx unknown
- 1974-06-21 ES ES427507A patent/ES427507A1/es not_active Expired
- 1974-06-21 FR FR7421683A patent/FR2234290B1/fr not_active Expired
- 1974-06-21 LU LU70386*A patent/LU70386A1/xx unknown
- 1974-06-21 BG BG7427039A patent/BG27079A3/xx unknown
- 1974-06-21 HU HU74CI1482A patent/HU176760B/hu unknown
- 1974-06-21 AT AT517674A patent/AT336613B/de not_active IP Right Cessation
- 1974-06-21 NL NL7408406A patent/NL7408406A/xx not_active Application Discontinuation
- 1974-06-24 EG EG240/74A patent/EG11239A/xx active
Patent Citations (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 |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2916471A1 (de) * | 1979-04-24 | 1980-11-06 | Hoechst Ag | Verfahren zur herstellung von 2,2, 6,6-tetramethylpiperidon-4 |
| EP2706045A1 (de) | 2012-09-07 | 2014-03-12 | Evonik Industries AG | Verfahren zur Behandlung eines Abwasserstroms, der bei der Aufarbeitung eines Triacetonamin-haltigen Reaktionsgemisches entsteht |
| EP2706056A1 (de) | 2012-09-07 | 2014-03-12 | 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 |
| DE102012215900A1 (de) | 2012-09-07 | 2014-05-15 | Evonik Industries Ag | Verfahren zur Herstellung und Aufarbeitung eines Triacetonamin-haltigen Reaktionsgemisches |
| EP3663284A1 (de) | 2018-12-07 | 2020-06-10 | Evonik Operations GmbH | Verbessertes verfahren zur herstellung von triacetonamin |
| US10807954B2 (en) | 2018-12-07 | 2020-10-20 | Evonik Operations Gmbh | Method for preparing triacetone amine |
| EP3750877A1 (de) | 2019-06-13 | 2020-12-16 | Evonik Operations GmbH | Verfahren zur herstellung von triacetonamin und 2,2,4,6-tetramethylpiperidin |
| 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 |
| EP3907217A1 (de) | 2020-05-07 | 2021-11-10 | Evonik Operations GmbH | Verbessertes verfahren zur herstellung von triacetonamin |
| 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 |
Also Published As
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| Publication | Publication Date | Title |
|---|---|---|
| DE2429936A1 (de) | Verfahren zur herstellung von 2,2,6,6tetramethyl-4-oxo-piperidin | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| 8128 | New person/name/address of the agent |
Representative=s name: ASSMANN, E., DIPL.-CHEM. DR.RER.NAT. ZUMSTEIN, F., |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |