NO742255L - - Google Patents

Info

Publication number
NO742255L
NO742255L NO742255A NO742255A NO742255L NO 742255 L NO742255 L NO 742255L NO 742255 A NO742255 A NO 742255A NO 742255 A NO742255 A NO 742255A NO 742255 L NO742255 L NO 742255L
Authority
NO
Norway
Prior art keywords
acid
acetone
salt
ammonium
reaction
Prior art date
Application number
NO742255A
Other languages
English (en)
Norwegian (no)
Inventor
I Orban
H Lind
H Brunetti
J Rody
M Rasberger
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 NO742255L publication Critical patent/NO742255L/no

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D211/00Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
    • C07D211/04Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D211/68Heterocyclic 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
    • C07D211/72Heterocyclic 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
    • C07D211/74Oxygen atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D211/00Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
    • C07D211/02Preparation 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)
NO742255A 1973-06-25 1974-06-20 NO742255L (xx)

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
NO742255L true NO742255L (xx) 1975-01-20

Family

ID=27509238

Family Applications (1)

Application Number Title Priority Date Filing Date
NO742255A NO742255L (xx) 1973-06-25 1974-06-20

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
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
GB1461703A (en) 1977-01-19
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
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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