GB1461703A - Process for the preparation of 2,2,6,6-tetramethyl-4-oxopiper idine - Google Patents

Process for the preparation of 2,2,6,6-tetramethyl-4-oxopiper idine

Info

Publication number
GB1461703A
GB1461703A GB2760474A GB2760474A GB1461703A GB 1461703 A GB1461703 A GB 1461703A GB 2760474 A GB2760474 A GB 2760474A GB 2760474 A GB2760474 A GB 2760474A GB 1461703 A GB1461703 A GB 1461703A
Authority
GB
United Kingdom
Prior art keywords
acetone
acid
ammonia
triacetoneamine
april
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
GB2760474A
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 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
Publication of GB1461703A publication Critical patent/GB1461703A/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Hydrogenated Pyridines (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
GB2760474A 1973-06-25 1974-06-21 Process for the preparation of 2,2,6,6-tetramethyl-4-oxopiper idine Expired GB1461703A (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
GB1461703A true GB1461703A (en) 1977-01-19

Family

ID=27509238

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2760474A Expired GB1461703A (en) 1973-06-25 1974-06-21 Process for the preparation of 2,2,6,6-tetramethyl-4-oxopiper idine

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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10807954B2 (en) 2018-12-07 2020-10-20 Evonik Operations Gmbh Method for preparing triacetone amine

Families Citing this family (13)

* 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
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10807954B2 (en) 2018-12-07 2020-10-20 Evonik Operations Gmbh Method for preparing triacetone amine

Also Published As

Publication number Publication date
ATA517774A (de) 1976-12-15
SE403478B (sv) 1978-08-21
IL45095A (en) 1977-05-31
NL7408409A (xx) 1974-12-30
IE39523L (en) 1974-12-25
DE2429937A1 (de) 1975-01-16
IL45095A0 (en) 1974-09-10
AT338262B (de) 1977-08-10
DD112443A5 (de) 1975-04-12
AR202653A1 (es) 1975-06-30
DK139678B (da) 1979-03-26
JPS5036473A (xx) 1975-04-05
CA1027950A (en) 1978-03-14
FI190574A (xx) 1974-12-26
DE2429937C2 (xx) 1988-01-28
NL190846B (nl) 1994-04-18
SE7408172L (xx) 1974-12-27
DK139678C (xx) 1979-09-10
HU176761B (en) 1981-05-28
NO742255L (xx) 1975-01-20
DK330874A (xx) 1975-02-17
AU7043274A (en) 1976-01-08
IT1021057B (it) 1978-01-30
JPS5929589B2 (ja) 1984-07-21
BG27080A3 (xx) 1979-08-15
NL190846C (nl) 1994-09-16
IE39523B1 (en) 1978-10-25
FR2234291A1 (xx) 1975-01-17
FR2234291B1 (xx) 1980-01-25
LU70387A1 (xx) 1976-04-13

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920621