BE875183A - Procede pour la preparation de 2,2,6,6-tetramethyl-4-piperidone. - Google Patents

Procede pour la preparation de 2,2,6,6-tetramethyl-4-piperidone.

Info

Publication number
BE875183A
BE875183A BE0/194290A BE194290A BE875183A BE 875183 A BE875183 A BE 875183A BE 0/194290 A BE0/194290 A BE 0/194290A BE 194290 A BE194290 A BE 194290A BE 875183 A BE875183 A BE 875183A
Authority
BE
Belgium
Prior art keywords
piperidone
tetramethyl
preparation
Prior art date
Application number
BE0/194290A
Other languages
English (en)
Original Assignee
Chimosa Chimica Organica Spa
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
Application filed by Chimosa Chimica Organica Spa filed Critical Chimosa Chimica Organica Spa
Publication of BE875183A publication Critical patent/BE875183A/fr

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE0/194290A 1978-03-31 1979-03-29 Procede pour la preparation de 2,2,6,6-tetramethyl-4-piperidone. BE875183A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT21858/78A IT1094039B (it) 1978-03-31 1978-03-31 Processo per la preparazione di 2,2,6,6-tetrametil-4-piperidone

Publications (1)

Publication Number Publication Date
BE875183A true BE875183A (fr) 1979-07-16

Family

ID=11187847

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/194290A BE875183A (fr) 1978-03-31 1979-03-29 Procede pour la preparation de 2,2,6,6-tetramethyl-4-piperidone.

Country Status (10)

Country Link
US (1) US4536581A (fr)
JP (1) JPS54145674A (fr)
BE (1) BE875183A (fr)
CA (1) CA1099272A (fr)
CH (1) CH638185A5 (fr)
DE (1) DE2910761C3 (fr)
FR (1) FR2421170B1 (fr)
GB (1) GB2017687B (fr)
IT (1) IT1094039B (fr)
NL (1) NL190811C (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE2945462A1 (de) * 1979-11-10 1981-05-14 Hoechst Ag, 6000 Frankfurt Verfahren zur herstellung von 2,2,6,6-tetramethylpiperidon-4
JPS5849363A (ja) * 1981-09-16 1983-03-23 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
DE3149094A1 (de) * 1981-12-11 1983-06-16 Hoechst Ag, 6230 Frankfurt Verfahren zur entfernung von aceton aus reaktionsgemischen von carbonylierungsreaktionen
US4734502A (en) * 1986-12-22 1988-03-29 Ici Americas Inc. Process for the preparation of 2,2,6,6-tetramethyl-4-oxopiperidine
EP0325014A1 (fr) * 1988-01-20 1989-07-26 Ici Americas Inc. Procédé de préparation de 2,2,6,6-tétraméthyl-4-oxopipéridine
JP3000585B2 (ja) * 1989-04-21 2000-01-17 三井化学株式会社 ２，２，６，６―テトラアルキル―４―ピペリジノンの精製方法
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
CN103224465B (zh) * 2013-01-31 2015-04-08 天津大学 2,2,6,6-四甲基-4-哌啶酮连续合成方法
MX2016000313A (es) 2013-07-08 2016-08-08 Basf Se Estabilizadores de luz novedosos.
CN104628626B (zh) * 2015-01-27 2016-08-31 浙江常山科润化学有限公司 一种2,2,6,6-四甲基-4-哌啶醇的制备方法
US11431972B2 (en) 2018-05-15 2022-08-30 Sharp Kabushiki Kaisha Image encoding device, encoded stream extraction device, and image decoding device
EP3663284B1 (fr) 2018-12-07 2021-02-03 Evonik Operations GmbH Procédé amélioré de production de la triacétonamine
EP3750876A1 (fr) 2019-06-13 2020-12-16 Evonik Operations GmbH Procédé de production de triacetonamine, de 2,2,4,6-tétraméthylpipéridine et / ou de sels de la 2,2,4,6-tétraméthylpipéridine
US11731940B2 (en) 2020-05-07 2023-08-22 Evonik Operations Gmbh Process for preparing triacetonamine
CN113999165A (zh) * 2021-11-29 2022-02-01 利安隆凯亚(河北)新材料有限公司 一种高效利用合成三丙酮胺过程副产物的方法
EP4279484A1 (fr) 2022-05-17 2023-11-22 Sabo GmbH Procédé amélioré de production de triacétonamine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2516626A (en) * 1950-07-25 Tetrahydropyrimidine compounds
US3513170A (en) * 1966-07-23 1970-05-19 Sankyo Co Preparation of 2,2,6,6-tetramethyl-4-oxopiperidine
SU520357A1 (ru) * 1972-07-18 1976-07-05 Предприятие П/Я В-8585 Способ получени 2,2,6,6-тетраметил-4-оксопиперидина
US3959295A (en) * 1973-05-17 1976-05-25 Ciba-Geigy Corporation Process for the preparation of 2,2,6,6-tetramethyl-4-oxopiperidine
SE403478B (sv) * 1973-06-25 1978-08-21 Ciba Geigy Ag Sett att framstella 2,2,6,6-tetrametyl-4-oxopiperidin
DE2807172A1 (de) * 1978-02-20 1979-08-23 Huels Chemische Werke Ag Verfahren zur herstellung von 2,2,6,6-tetramethylpiperidon-(4)

Also Published As

Publication number Publication date
JPS54145674A (en) 1979-11-14
IT7821858A0 (it) 1978-03-31
DE2910761A1 (de) 1979-10-04
GB2017687B (en) 1982-08-11
CH638185A5 (fr) 1983-09-15
NL190811B (nl) 1994-04-05
FR2421170B1 (fr) 1985-11-29
NL7902521A (nl) 1979-10-02
US4536581A (en) 1985-08-20
DE2910761C2 (fr) 1989-02-09
NL190811C (nl) 1994-09-01
GB2017687A (en) 1979-10-10
JPS6241504B2 (fr) 1987-09-03
FR2421170A1 (fr) 1979-10-26
DE2910761C3 (de) 1995-08-31
CA1099272A (fr) 1981-04-14
IT1094039B (it) 1985-07-26

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Legal Events

Date Code Title Description
CA Change of address of the owner of the patent

Owner name: *CIBA-GEIGY A.G.KLYBECKSTRASSE 141, CH-4002 BASEL

Effective date: 19840824

CH Change of patent owner

Owner name: *CIBA-GEIGY A.G.

Effective date: 19840824

RE Patent lapsed

Owner name: CIBA-GEIGY A.G.

Effective date: 19950331