JPS5036473A - - Google Patents
Info
- Publication number
- JPS5036473A JPS5036473A JP49071215A JP7121574A JPS5036473A JP S5036473 A JPS5036473 A JP S5036473A JP 49071215 A JP49071215 A JP 49071215A JP 7121574 A JP7121574 A JP 7121574A JP S5036473 A JPS5036473 A JP S5036473A
- Authority
- JP
- Japan
- 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
-
- 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 (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH924173 | 1973-06-25 | ||
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 | ||
CH1425773 | 1973-10-05 | ||
CH543974 | 1974-04-19 | ||
CH543974 | 1974-04-19 | ||
CH559974 | 1974-04-24 | ||
CH559974 | 1974-04-24 | ||
CH701874 | 1974-05-22 | ||
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 (2)
Publication Number | Publication Date |
---|---|
JPS5036473A true JPS5036473A (xx) | 1975-04-05 |
JPS5929589B2 JPS5929589B2 (ja) | 1984-07-21 |
Family
ID=27509238
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP49071215A Expired JPS5929589B2 (ja) | 1973-06-25 | 1974-06-21 | 2,2,6,6−テトラメチル−4−オキソピペリジンの製造方法 |
Country Status (19)
Country | Link |
---|---|
JP (1) | JPS5929589B2 (xx) |
AR (1) | AR202653A1 (xx) |
AT (1) | AT338262B (xx) |
BG (1) | BG27080A3 (xx) |
CA (1) | CA1027950A (xx) |
DD (1) | DD112443A5 (xx) |
DE (1) | DE2429937A1 (xx) |
DK (1) | DK139678B (xx) |
FI (1) | FI190574A (xx) |
FR (1) | FR2234291B1 (xx) |
GB (1) | GB1461703A (xx) |
HU (1) | HU176761B (xx) |
IE (1) | IE39523B1 (xx) |
IL (1) | IL45095A (xx) |
IT (1) | IT1021057B (xx) |
LU (1) | LU70387A1 (xx) |
NL (1) | NL190846C (xx) |
NO (1) | NO742255L (xx) |
SE (1) | SE403478B (xx) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5573658A (en) * | 1978-11-17 | 1980-06-03 | Ciba Geigy Ag | Manufacture of 2*2*6*66tetraalkyll44oxopiperidine |
JPS6310761A (ja) * | 1986-03-03 | 1988-01-18 | Yoshitomi Pharmaceut Ind 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 |
Families Citing this family (12)
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 |
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 |
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 (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 DK DK330874AA patent/DK139678B/da unknown
- 1974-06-20 SE SE7408172A patent/SE403478B/xx unknown
- 1974-06-20 FI FI1905/74A patent/FI190574A/fi unknown
- 1974-06-20 NO NO742255A patent/NO742255L/no unknown
- 1974-06-21 GB GB2760474A patent/GB1461703A/en not_active Expired
- 1974-06-21 DE DE2429937A patent/DE2429937A1/de active Granted
- 1974-06-21 LU LU70387*A patent/LU70387A1/xx unknown
- 1974-06-21 HU HUCI001483 patent/HU176761B/hu unknown
- 1974-06-21 IT IT24300/74A patent/IT1021057B/it active
- 1974-06-21 IL IL45095A patent/IL45095A/en unknown
- 1974-06-21 AR AR254314A patent/AR202653A1/es active
- 1974-06-21 CA CA203,059A patent/CA1027950A/en not_active Expired
- 1974-06-21 DD DD179373A patent/DD112443A5/xx unknown
- 1974-06-21 BG BG7427040A patent/BG27080A3/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 NL NL7408409A patent/NL190846C/xx not_active IP Right Cessation
- 1974-06-21 FR FR7421684A patent/FR2234291B1/fr not_active Expired
- 1974-06-21 AT AT517774A patent/AT338262B/de not_active IP Right Cessation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5573658A (en) * | 1978-11-17 | 1980-06-03 | Ciba Geigy Ag | Manufacture of 2*2*6*66tetraalkyll44oxopiperidine |
JPS6310761A (ja) * | 1986-03-03 | 1988-01-18 | Yoshitomi Pharmaceut Ind 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 |
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 |
Also Published As
Publication number | Publication date |
---|---|
SE403478B (sv) | 1978-08-21 |
NO742255L (xx) | 1975-01-20 |
JPS5929589B2 (ja) | 1984-07-21 |
NL190846C (nl) | 1994-09-16 |
DK330874A (xx) | 1975-02-17 |
AT338262B (de) | 1977-08-10 |
ATA517774A (de) | 1976-12-15 |
IT1021057B (it) | 1978-01-30 |
FI190574A (xx) | 1974-12-26 |
IE39523B1 (en) | 1978-10-25 |
IL45095A (en) | 1977-05-31 |
FR2234291A1 (xx) | 1975-01-17 |
IE39523L (en) | 1974-12-25 |
DK139678C (xx) | 1979-09-10 |
DD112443A5 (de) | 1975-04-12 |
DK139678B (da) | 1979-03-26 |
NL190846B (nl) | 1994-04-18 |
DE2429937C2 (xx) | 1988-01-28 |
GB1461703A (en) | 1977-01-19 |
IL45095A0 (en) | 1974-09-10 |
LU70387A1 (xx) | 1976-04-13 |
SE7408172L (xx) | 1974-12-27 |
NL7408409A (xx) | 1974-12-30 |
DE2429937A1 (de) | 1975-01-16 |
AR202653A1 (es) | 1975-06-30 |
BG27080A3 (xx) | 1979-08-15 |
FR2234291B1 (xx) | 1980-01-25 |
HU176761B (en) | 1981-05-28 |
CA1027950A (en) | 1978-03-14 |
AU7043274A (en) | 1976-01-08 |