CA1027950A - 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-oxopiperidine

Info

Publication number
CA1027950A
CA1027950A CA203,059A CA203059A CA1027950A CA 1027950 A CA1027950 A CA 1027950A CA 203059 A CA203059 A CA 203059A CA 1027950 A CA1027950 A CA 1027950A
Authority
CA
Canada
Prior art keywords
oxopiperidine
tetramethyl
preparation
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
CA203,059A
Other languages
English (en)
French (fr)
Other versions
CA203059S (en
Inventor
Michael Rasberger
Ivan Orban
Hanns Lind
Jean Rody
Heimo Brunetti
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 CH924173A external-priority patent/CH574412A5/de
Priority claimed from CH701874A external-priority patent/CH582147A5/de
Application filed by Ciba Geigy AG filed Critical Ciba Geigy AG
Application granted granted Critical
Publication of CA1027950A publication Critical patent/CA1027950A/en
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
    • 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
CA203,059A 1973-06-25 1974-06-21 Process for the preparation of 2,2,6,6-tetramethyl-4-oxopiperidine Expired CA1027950A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
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
CH543974 1974-04-19
CH559974 1974-04-24
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 (1)

Publication Number Publication Date
CA1027950A true CA1027950A (en) 1978-03-14

Family

ID=27509238

Family Applications (1)

Application Number Title Priority Date Filing Date
CA203,059A Expired CA1027950A (en) 1973-06-25 1974-06-21 Process for the preparation of 2,2,6,6-tetramethyl-4-oxopiperidine

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)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
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
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
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
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
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
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
DK139678B (da) 1979-03-26
JPS5929589B2 (ja) 1984-07-21
IE39523B1 (en) 1978-10-25
JPS5036473A (xx) 1975-04-05
NL190846B (nl) 1994-04-18
DK330874A (xx) 1975-02-17
DD112443A5 (de) 1975-04-12
FR2234291A1 (xx) 1975-01-17
NL190846C (nl) 1994-09-16
IE39523L (en) 1974-12-25
NL7408409A (xx) 1974-12-30
DE2429937A1 (de) 1975-01-16
AR202653A1 (es) 1975-06-30
DK139678C (xx) 1979-09-10
GB1461703A (en) 1977-01-19
SE7408172L (xx) 1974-12-27
BG27080A3 (xx) 1979-08-15
AT338262B (de) 1977-08-10
HU176761B (en) 1981-05-28
IT1021057B (it) 1978-01-30
FI190574A (xx) 1974-12-26
ATA517774A (de) 1976-12-15
FR2234291B1 (xx) 1980-01-25
IL45095A0 (en) 1974-09-10
IL45095A (en) 1977-05-31
AU7043274A (en) 1976-01-08
NO742255L (xx) 1975-01-20
LU70387A1 (xx) 1976-04-13
DE2429937C2 (xx) 1988-01-28
SE403478B (sv) 1978-08-21

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