DE2429936C2 - - Google Patents

Info

Publication number
DE2429936C2
DE2429936C2 DE2429936A DE2429936A DE2429936C2 DE 2429936 C2 DE2429936 C2 DE 2429936C2 DE 2429936 A DE2429936 A DE 2429936A DE 2429936 A DE2429936 A DE 2429936A DE 2429936 C2 DE2429936 C2 DE 2429936C2
Authority
DE
Germany
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
DE2429936A
Other versions
DE2429936A1 (de
Inventor
Ivan Dr. Basel Ch Orban
Hanns Dr. Liestal Ch Lind
Heimo Dr. Reinach Ch Brunetti
Jean Dr. Basel Ch Rody
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 CH924073A external-priority patent/CH574411A5/de
Priority claimed from CH701774A external-priority patent/CH582146A5/de
Application filed by Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of DE2429936A1 publication Critical patent/DE2429936A1/de
Application granted granted Critical
Publication of DE2429936C2 publication Critical patent/DE2429936C2/de
Granted 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
DE2429936A 1973-06-25 1974-06-21 Verfahren zur herstellung von 2,2,6,6tetramethyl-4-oxo-piperidin Granted DE2429936A1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH924073A CH574411A5 (en) 1973-06-25 1973-06-25 2,2,6,6-Tetramethyl-4-oxo-piperidine prepn. - by acid catalyst treatment of 2,2,4,4,6-pentamethyl 2,3,4,5-tetrahydro-pyrimidine
CH543874 1974-04-19
CH701774A CH582146A5 (en) 1974-05-22 1974-05-22 2,2,6,6-Tetramethyl-4-oxo-piperidine prepn. - by acid catalyst treatment of 2,2,4,4,6-pentamethyl 2,3,4,5-tetrahydro-pyrimidine

Publications (2)

Publication Number Publication Date
DE2429936A1 DE2429936A1 (de) 1975-01-16
DE2429936C2 true DE2429936C2 (de) 1987-03-12

Family

ID=27175209

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2429936A Granted DE2429936A1 (de) 1973-06-25 1974-06-21 Verfahren zur herstellung von 2,2,6,6tetramethyl-4-oxo-piperidin

Country Status (22)

Country Link
US (1) US3953459A (de)
JP (1) JPS596852B2 (de)
AR (1) AR204926A1 (de)
AT (1) AT336613B (de)
BG (1) BG27079A3 (de)
BR (1) BR7405079D0 (de)
CA (1) CA1027951A (de)
DD (1) DD112758A5 (de)
DE (1) DE2429936A1 (de)
DK (1) DK330774A (de)
EG (1) EG11239A (de)
ES (1) ES427507A1 (de)
FI (1) FI190474A (de)
FR (1) FR2234290B1 (de)
GB (1) GB1461702A (de)
HU (1) HU176760B (de)
IE (1) IE39522B1 (de)
IL (1) IL45096A (de)
LU (1) LU70386A1 (de)
NL (1) NL7408406A (de)
NO (1) NO742256L (de)
RO (1) RO67194A (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5291080A (en) * 1976-01-28 1977-08-01 Nikka Kk Surface treatment method of molded rubber article
US4252958A (en) * 1977-12-21 1981-02-24 Argus Chemical Corporation Process for preparing 2,2,6,6-Tetramethyl-4-oxopiperidine
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
FR2510569B1 (fr) * 1981-07-30 1987-02-06 Cubana Export Import Compose cytostatique et procede de preparation
JPS60172962A (ja) * 1984-02-16 1985-09-06 Adeka Argus Chem Co Ltd ２，２，６，６−テトラメチル−４−オキソピペリジンの製造法
JPS60172963A (ja) * 1984-02-16 1985-09-06 Adeka Argus Chem Co Ltd ２，２，６，６−テトラメチル−４−オキソピペリジンの製造方法
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
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
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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1535012A (fr) * 1966-07-23 1968-08-02 Sankyo Co Procédé de fabrication de 4-oxopipéridines et nouveaux composés obtenus
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
AU7043174A (en) 1976-01-08
DD112758A5 (de) 1975-05-05
HU176760B (en) 1981-05-28
BR7405079D0 (pt) 1975-01-21
AT336613B (de) 1977-05-10
IE39522L (en) 1974-12-25
AR204926A1 (es) 1976-03-19
DK330774A (de) 1975-02-17
BG27079A3 (de) 1979-08-15
NL7408406A (de) 1974-12-30
NO742256L (de) 1975-01-20
CA1027951A (en) 1978-03-14
ES427507A1 (es) 1976-07-16
DE2429936A1 (de) 1975-01-16
JPS596852B2 (ja) 1984-02-15
RO67194A (fr) 1979-06-15
IL45096A0 (en) 1974-09-10
ATA517674A (de) 1976-09-15
FR2234290A1 (de) 1975-01-17
US3953459A (en) 1976-04-27
FR2234290B1 (de) 1978-01-13
FI190474A (de) 1974-12-26
LU70386A1 (de) 1976-04-13
EG11239A (en) 1977-01-31
IL45096A (en) 1977-10-31
IE39522B1 (en) 1978-10-25
JPS5036472A (de) 1975-04-05
GB1461702A (en) 1977-01-19

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Legal Events

Date Code Title Description
OD Request for examination
8128 New person/name/address of the agent

Representative=s name: ASSMANN, E., DIPL.-CHEM. DR.RER.NAT. ZUMSTEIN, F.,

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee