ES427548A1 - Procedimiento para la preparacion de 2,2,6,6-tetrametil-4- oxopiperidina. - Google Patents

Procedimiento para la preparacion de 2,2,6,6-tetrametil-4- oxopiperidina.

Info

Publication number
ES427548A1
ES427548A1 ES427548A ES427548A ES427548A1 ES 427548 A1 ES427548 A1 ES 427548A1 ES 427548 A ES427548 A ES 427548A ES 427548 A ES427548 A ES 427548A ES 427548 A1 ES427548 A1 ES 427548A1
Authority
ES
Spain
Prior art keywords
acetone
oxopiperidine
tetramethyl
excess
heating
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.)
Expired
Application number
ES427548A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Novartis AG
Original Assignee
Ciba Geigy AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from CH950673A external-priority patent/CH574413A5/de
Priority claimed from CH544074A external-priority patent/CH582145A5/de
Application filed by Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of ES427548A1 publication Critical patent/ES427548A1/es
Expired legal-status Critical Current

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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
ES427548A 1973-06-29 1974-06-21 Procedimiento para la preparacion de 2,2,6,6-tetrametil-4- oxopiperidina. Expired ES427548A1 (es)

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 (1)

Publication Number Publication Date
ES427548A1 true ES427548A1 (es) 1976-08-01

Family

ID=27175211

Family Applications (1)

Application Number Title Priority Date Filing Date
ES427548A Expired ES427548A1 (es) 1973-06-29 1974-06-21 Procedimiento para la preparacion de 2,2,6,6-tetrametil-4- oxopiperidina.

Country Status (25)

Country Link
US (1) US3960875A (es)
JP (1) JPS5036474A (es)
AR (1) AR208393A1 (es)
AT (1) AT338263B (es)
BG (1) BG27081A3 (es)
BR (1) BR7405080D0 (es)
CA (1) CA1027952A (es)
CS (1) CS200467B2 (es)
DD (1) DD112444A5 (es)
DE (1) DE2429935C3 (es)
DK (1) DK140406B (es)
EG (1) EG11230A (es)
ES (1) ES427548A1 (es)
FI (1) FI190674A (es)
FR (1) FR2235118B1 (es)
GB (1) GB1461701A (es)
HU (1) HU169841B (es)
IE (1) IE39521B1 (es)
IL (1) IL45092A (es)
IT (1) IT1021055B (es)
LU (1) LU70388A1 (es)
NL (1) NL7408411A (es)
NO (1) NO742233L (es)
RO (1) RO67193A (es)
SE (1) SE7408173L (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
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
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
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
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
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
NO742233L (es) 1975-01-27
DE2429935A1 (de) 1975-01-16
BR7405080D0 (pt) 1975-01-21
BG27081A3 (es) 1979-08-15
IT1021055B (it) 1978-01-30
IL45092A0 (en) 1974-09-10
DK140406C (es) 1980-01-21
RO67193A (fr) 1979-06-15
FR2235118A1 (es) 1975-01-24
DE2429935B2 (de) 1980-10-02
FI190674A (es) 1974-12-30
LU70388A1 (es) 1976-04-13
SE7408173L (es) 1974-12-30
CA1027952A (en) 1978-03-14
DK140406B (da) 1979-08-20
DE2429935C3 (de) 1981-07-23
ATA517874A (de) 1976-12-15
HU169841B (es) 1977-02-28
AT338263B (de) 1977-08-10
DD112444A5 (es) 1975-04-12
GB1461701A (en) 1977-01-19
US3960875A (en) 1976-06-01
JPS5036474A (es) 1975-04-05
AU7033774A (en) 1976-01-08
AR208393A1 (es) 1976-12-27
IE39521B1 (en) 1978-10-25
EG11230A (en) 1977-01-31
FR2235118B1 (es) 1978-01-13
NL7408411A (es) 1974-12-31
DK330974A (es) 1975-02-17
IE39521L (en) 1974-12-26
IL45092A (en) 1976-12-31
CS200467B2 (en) 1980-09-15

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