BE875183A - Procede pour la preparation de 2,2,6,6-tetramethyl-4-piperidone. - Google Patents
Procede pour la preparation de 2,2,6,6-tetramethyl-4-piperidone.Info
- Publication number
- BE875183A BE875183A BE0/194290A BE194290A BE875183A BE 875183 A BE875183 A BE 875183A BE 0/194290 A BE0/194290 A BE 0/194290A BE 194290 A BE194290 A BE 194290A BE 875183 A BE875183 A BE 875183A
- Authority
- BE
- Belgium
- Prior art keywords
- piperidone
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Hydrogenated Pyridines (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT21858/78A IT1094039B (it) | 1978-03-31 | 1978-03-31 | Processo per la preparazione di 2,2,6,6-tetrametil-4-piperidone |
Publications (1)
Publication Number | Publication Date |
---|---|
BE875183A true BE875183A (fr) | 1979-07-16 |
Family
ID=11187847
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE0/194290A BE875183A (fr) | 1978-03-31 | 1979-03-29 | Procede pour la preparation de 2,2,6,6-tetramethyl-4-piperidone. |
Country Status (10)
Country | Link |
---|---|
US (1) | US4536581A (de) |
JP (1) | JPS54145674A (de) |
BE (1) | BE875183A (de) |
CA (1) | CA1099272A (de) |
CH (1) | CH638185A5 (de) |
DE (1) | DE2910761C3 (de) |
FR (1) | FR2421170B1 (de) |
GB (1) | GB2017687B (de) |
IT (1) | IT1094039B (de) |
NL (1) | NL190811C (de) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
DE2945462A1 (de) * | 1979-11-10 | 1981-05-14 | Hoechst Ag, 6000 Frankfurt | Verfahren zur herstellung von 2,2,6,6-tetramethylpiperidon-4 |
JPS5849363A (ja) * | 1981-09-16 | 1983-03-23 | 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 |
DE3149094A1 (de) * | 1981-12-11 | 1983-06-16 | Hoechst Ag, 6230 Frankfurt | Verfahren zur entfernung von aceton aus reaktionsgemischen von carbonylierungsreaktionen |
US4734502A (en) * | 1986-12-22 | 1988-03-29 | Ici Americas Inc. | Process for the preparation of 2,2,6,6-tetramethyl-4-oxopiperidine |
EP0325014A1 (de) * | 1988-01-20 | 1989-07-26 | Ici Americas Inc. | Verfahren zur Herstellung von 2,2,6,6,-Tetramethyl-4-oxopiperidin |
JP3000585B2 (ja) * | 1989-04-21 | 2000-01-17 | 三井化学株式会社 | 2,2,6,6―テトラアルキル―4―ピペリジノンの精製方法 |
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 |
CN103224465B (zh) * | 2013-01-31 | 2015-04-08 | 天津大学 | 2,2,6,6-四甲基-4-哌啶酮连续合成方法 |
KR102335051B1 (ko) | 2013-07-08 | 2021-12-07 | 바스프 에스이 | 신규 광 안정화제 |
CN104628626B (zh) * | 2015-01-27 | 2016-08-31 | 浙江常山科润化学有限公司 | 一种2,2,6,6-四甲基-4-哌啶醇的制备方法 |
AU2019268844B2 (en) | 2018-05-15 | 2022-09-29 | FG Innovation Company Limited | Image encoding device, encoded stream extraction device, and image decoding device |
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 |
CN113999165A (zh) * | 2021-11-29 | 2022-02-01 | 利安隆凯亚(河北)新材料有限公司 | 一种高效利用合成三丙酮胺过程副产物的方法 |
EP4279484A1 (de) | 2022-05-17 | 2023-11-22 | Sabo GmbH | Verbessertes verfahren zur herstellung von triacetonamin |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2516626A (en) * | 1950-07-25 | Tetrahydropyrimidine compounds | ||
US3513170A (en) * | 1966-07-23 | 1970-05-19 | Sankyo Co | Preparation of 2,2,6,6-tetramethyl-4-oxopiperidine |
SU520357A1 (ru) * | 1972-07-18 | 1976-07-05 | Предприятие П/Я В-8585 | Способ получени 2,2,6,6-тетраметил-4-оксопиперидина |
US3959295A (en) * | 1973-05-17 | 1976-05-25 | Ciba-Geigy Corporation | Process for the preparation of 2,2,6,6-tetramethyl-4-oxopiperidine |
SE403478B (sv) * | 1973-06-25 | 1978-08-21 | Ciba Geigy Ag | Sett att framstella 2,2,6,6-tetrametyl-4-oxopiperidin |
DE2807172A1 (de) * | 1978-02-20 | 1979-08-23 | Huels Chemische Werke Ag | Verfahren zur herstellung von 2,2,6,6-tetramethylpiperidon-(4) |
-
1978
- 1978-03-31 IT IT21858/78A patent/IT1094039B/it active
-
1979
- 1979-03-16 GB GB7909278A patent/GB2017687B/en not_active Expired
- 1979-03-19 DE DE2910761A patent/DE2910761C3/de not_active Expired - Fee Related
- 1979-03-28 CA CA324,372A patent/CA1099272A/en not_active Expired
- 1979-03-28 FR FR7907755A patent/FR2421170B1/fr not_active Expired
- 1979-03-29 BE BE0/194290A patent/BE875183A/xx not_active IP Right Cessation
- 1979-03-30 NL NL7902521A patent/NL190811C/xx not_active IP Right Cessation
- 1979-03-30 CH CH300979A patent/CH638185A5/fr not_active IP Right Cessation
- 1979-03-30 JP JP3719279A patent/JPS54145674A/ja active Granted
-
1983
- 1983-05-18 US US06/495,713 patent/US4536581A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2421170A1 (fr) | 1979-10-26 |
IT7821858A0 (it) | 1978-03-31 |
JPS54145674A (en) | 1979-11-14 |
US4536581A (en) | 1985-08-20 |
DE2910761C3 (de) | 1995-08-31 |
GB2017687A (en) | 1979-10-10 |
CA1099272A (en) | 1981-04-14 |
NL190811B (nl) | 1994-04-05 |
JPS6241504B2 (de) | 1987-09-03 |
FR2421170B1 (fr) | 1985-11-29 |
IT1094039B (it) | 1985-07-26 |
CH638185A5 (fr) | 1983-09-15 |
NL190811C (nl) | 1994-09-01 |
DE2910761A1 (de) | 1979-10-04 |
GB2017687B (en) | 1982-08-11 |
DE2910761C2 (de) | 1989-02-09 |
NL7902521A (nl) | 1979-10-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CA | Change of address of the owner of the patent |
Owner name: *CIBA-GEIGY A.G.KLYBECKSTRASSE 141, CH-4002 BASEL Effective date: 19840824 |
|
CH | Change of patent owner |
Owner name: *CIBA-GEIGY A.G. Effective date: 19840824 |
|
RE | Patent lapsed |
Owner name: CIBA-GEIGY A.G. Effective date: 19950331 |