IE39521B1 - Process for the preparation of 2,2,6,6,-tetramethyl-4-oxopiperidine - Google Patents
Process for the preparation of 2,2,6,6,-tetramethyl-4-oxopiperidineInfo
- Publication number
- IE39521B1 IE39521B1 IE1300/74A IE130074A IE39521B1 IE 39521 B1 IE39521 B1 IE 39521B1 IE 1300/74 A IE1300/74 A IE 1300/74A IE 130074 A IE130074 A IE 130074A IE 39521 B1 IE39521 B1 IE 39521B1
- Authority
- IE
- Ireland
- Prior art keywords
- acetone
- oxopiperidine
- tetramethyl
- excess
- heating
- Prior art date
Links
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 abstract 4
- SWXVUIWOUIDPGS-UHFFFAOYSA-N diacetone alcohol Chemical compound CC(=O)CC(C)(C)O SWXVUIWOUIDPGS-UHFFFAOYSA-N 0.000 abstract 4
- PIFBMJMXJMZZRG-UHFFFAOYSA-N 2,2,4,6,6-pentamethyl-1,5-dihydropyrimidine Chemical compound CC1=NC(C)(C)NC(C)(C)C1 PIFBMJMXJMZZRG-UHFFFAOYSA-N 0.000 abstract 2
- JWUXJYZVKZKLTJ-UHFFFAOYSA-N Triacetonamine Chemical compound CC1(C)CC(=O)CC(C)(C)N1 JWUXJYZVKZKLTJ-UHFFFAOYSA-N 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- NIQQIJXGUZVEBB-UHFFFAOYSA-N methanol;propan-2-one Chemical compound OC.CC(C)=O NIQQIJXGUZVEBB-UHFFFAOYSA-N 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 239000003960 organic solvent Substances 0.000 abstract 1
- 230000035484 reaction time Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
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)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH950673A CH574413A5 (en) | 1973-06-29 | 1973-06-29 | 2,2,6,6-Tetra-methyl-4-oxo-piperidine prepn. - from 2,2,4,4,6-penta-methyl-2,3,4,5-tetra-hydro-pyrimidine by heating in anhydrous medium |
| CH544074A CH582145A5 (en) | 1974-04-19 | 1974-04-19 | 2,2,6,6-Tetra-methyl-4-oxo-piperidine prepn. - from 2,2,4,4,6-penta-methyl-2,3,4,5-tetra-hydro-pyrimidine by heating in anhydrous medium |
| CH701974 | 1974-05-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE39521L IE39521L (en) | 1974-12-26 |
| IE39521B1 true IE39521B1 (en) | 1978-10-25 |
Family
ID=27175211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE1300/74A IE39521B1 (en) | 1973-06-29 | 1974-06-21 | Process for the preparation of 2,2,6,6,-tetramethyl-4-oxopiperidine |
Country Status (25)
Families Citing this family (10)
| 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 |
| US4734502A (en) * | 1986-12-22 | 1988-03-29 | Ici Americas Inc. | Process for the preparation of 2,2,6,6-tetramethyl-4-oxopiperidine |
| 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 |
| CN108383776A (zh) * | 2018-05-01 | 2018-08-10 | 衡水凯亚化工有限公司 | 一种利用丙酮和合成三丙酮胺过程副产物制备三丙酮胺 |
| CN108484482A (zh) * | 2018-05-01 | 2018-09-04 | 衡水凯亚化工有限公司 | 一种利用合成三丙酮胺过程副产物制备三丙酮胺的方法 |
| 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
- 1974-01-01 AR AR254315A patent/AR208393A1/es active
- 1974-06-19 NO NO742233A patent/NO742233L/no unknown
- 1974-06-20 FI FI1906/74A patent/FI190674A7/fi unknown
- 1974-06-20 SE SE7408173A patent/SE7408173L/xx unknown
- 1974-06-20 DK DK330974AA patent/DK140406B/da unknown
- 1974-06-21 US US05/481,935 patent/US3960875A/en not_active Expired - Lifetime
- 1974-06-21 IE IE1300/74A patent/IE39521B1/xx unknown
- 1974-06-21 FR FR7421685A patent/FR2235118B1/fr not_active Expired
- 1974-06-21 JP JP49071217A patent/JPS5036474A/ja active Pending
- 1974-06-21 DE DE2429935A patent/DE2429935C3/de not_active Expired
- 1974-06-21 HU HUCI1484A patent/HU169841B/hu unknown
- 1974-06-21 LU LU70388*A patent/LU70388A1/xx unknown
- 1974-06-21 IL IL45092A patent/IL45092A/en unknown
- 1974-06-21 CS CS744395A patent/CS200467B2/cs unknown
- 1974-06-21 AT AT517874A patent/AT338263B/de not_active IP Right Cessation
- 1974-06-21 DD DD179371A patent/DD112444A5/xx unknown
- 1974-06-21 IT IT24296/74A patent/IT1021055B/it active
- 1974-06-21 NL NL7408411A patent/NL7408411A/xx not_active Application Discontinuation
- 1974-06-21 BR BR5080/74A patent/BR7405080D0/pt unknown
- 1974-06-21 CA CA203,061A patent/CA1027952A/en not_active Expired
- 1974-06-21 BG BG027041A patent/BG27081A3/xx unknown
- 1974-06-21 GB GB2760274A patent/GB1461701A/en not_active Expired
- 1974-06-21 ES ES427548A patent/ES427548A1/es not_active Expired
- 1974-06-21 RO RO7479252A patent/RO67193A/ro unknown
- 1974-06-24 EG EG242/74A patent/EG11230A/xx active
Also Published As
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| NL180098B (nl) | Werkwijze ter bereiding van zeer zuiver tereftaalzuur door oxydatie van p-tolualdehyde. | |
| IE39521B1 (en) | Process for the preparation of 2,2,6,6,-tetramethyl-4-oxopiperidine | |
| JPS56120631A (en) | Manufacture of cobalt*ii**acetylacetonate | |
| ES449817A1 (es) | Procedimiento para producir 2-fenilamino-tiazolinas susti- tuidas. | |
| ES416476A1 (es) | Procedimiento para la transformacion de compuestos s-oxido de penicilina en compuestos de desacetoxicefalosporina. | |
| ES416726A1 (es) | Procedimiento para aislar un antigeno de polipeptido aso- ciado con el cancer. | |
| ES478886A1 (es) | Procedimiento de isomerizacion de derivados de la 3-vinil piperidina. | |
| SE7413246L (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| JPS5214708A (en) | Process for preparation of choline chloride | |
| JPS55160794A (en) | N6-substituted cordycepin and its preparation | |
| JPS52290A (en) | Process for preparation of benzylisocyanurate | |
| ES475512A1 (es) | Procedimiento para la obtencion de 21- esteres de corticos- teroides a partir de 21- alquilsulfonatos | |
| Leonard et al. | Tropolones by Isomerization. II. Substituted 3, 7-Dibenzyltropolones1, 2 | |
| GB1204459A (en) | Process for the production of 4,4'-dihydroxytetraphenyl methane | |
| AT333037B (de) | Verfahren zur herstellung von losungsmittelfreien polyurethanreaktionsmassen | |
| JPS52125187A (en) | Preparation of 7-substituted-cephalosporins | |
| ES472162A1 (es) | Ÿprocedimiento para la preparacion de derivados metilados de5,5-dioxido de 7-amino-3h-4h-imidazo(2,3-c) (1,2,6)tiadiazi-naÿ | |
| JPS5718683A (en) | 3,8-epoxy-7-keto-6-oxabicyclo 3,2,1 octane derivative and its preparation | |
| JPS51133487A (en) | Process for preparing 3-amino-1-(alpha -carboxy-4-hydroxybenzyl)-2-azetidi nones | |
| CA983874A (en) | Process for producing adenosine-3',5'-cyclic monophosphoric acid by fermentation | |
| ES386294A1 (es) | Procedimiento de sintesis quimica para la preparacion de 2,6-dietanolamino 4,8-dipiperidino-pirimidino-(5,4 d)-piri- midina. | |
| JPS5492955A (en) | Heterocyclic compound and its preparation | |
| KR790000351B1 (en) | Process for preparation of 7-di(-) -aminophenyl acet amidodeacetoxy cephalos poranic acid | |
| ES403938A1 (es) | Procedimiento para la preparacion de decapeptidos ciclicos. | |
| ES400436A1 (es) | Procedimiento para la preparacion de 5-alcoxi-indol-2-car- bohidracidas. |