DK0661265T3 - Fremgangsmåde til kontinuerlig fremstilling af 2,2,6,6-tetramethylpiperidin - Google Patents

Fremgangsmåde til kontinuerlig fremstilling af 2,2,6,6-tetramethylpiperidin

Info

Publication number
DK0661265T3
DK0661265T3 DK94118823.7T DK94118823T DK0661265T3 DK 0661265 T3 DK0661265 T3 DK 0661265T3 DK 94118823 T DK94118823 T DK 94118823T DK 0661265 T3 DK0661265 T3 DK 0661265T3
Authority
DK
Denmark
Prior art keywords
tetramethylpiperidine
triacetonamine
hydrazine
alkali
distillation
Prior art date
Application number
DK94118823.7T
Other languages
English (en)
Inventor
Detlef Dr Kampmann
Georg Stuhlmueller
Original Assignee
Hoechst 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
Application filed by Hoechst Ag filed Critical Hoechst Ag
Application granted granted Critical
Publication of DK0661265T3 publication Critical patent/DK0661265T3/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
    • C07D295/02—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms containing only hydrogen and carbon atoms in addition to the ring hetero elements
    • C07D295/023—Preparation; Separation; Stabilisation; Use of additives
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
DK94118823.7T 1993-12-11 1994-11-30 Fremgangsmåde til kontinuerlig fremstilling af 2,2,6,6-tetramethylpiperidin DK0661265T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4342276A DE4342276A1 (de) 1993-12-11 1993-12-11 Verfahren zur kontinuierlichen Herstellung von 2,2,6,6-letramethylpiperidin

Publications (1)

Publication Number Publication Date
DK0661265T3 true DK0661265T3 (da) 1998-02-02

Family

ID=6504741

Family Applications (1)

Application Number Title Priority Date Filing Date
DK94118823.7T DK0661265T3 (da) 1993-12-11 1994-11-30 Fremgangsmåde til kontinuerlig fremstilling af 2,2,6,6-tetramethylpiperidin

Country Status (9)

Country Link
US (1) US5663351A (da)
EP (1) EP0661265B1 (da)
JP (1) JP3839075B2 (da)
AT (1) ATE155455T1 (da)
CA (1) CA2137747C (da)
DE (2) DE4342276A1 (da)
DK (1) DK0661265T3 (da)
ES (1) ES2107105T3 (da)
GR (1) GR3024447T3 (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0005629D0 (en) 2000-03-10 2000-05-03 Clariant Int Ltd Light stabilizer composition
CN105294541B (zh) * 2015-11-17 2017-10-27 江西科技师范大学 2,2,6,6‑四甲基哌啶的合成方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH601231A5 (da) * 1976-12-09 1978-06-30 Ciba Geigy Ag
US4252958A (en) * 1977-12-21 1981-02-24 Argus Chemical Corporation Process for preparing 2,2,6,6-Tetramethyl-4-oxopiperidine

Also Published As

Publication number Publication date
ES2107105T3 (es) 1997-11-16
CA2137747C (en) 2005-08-30
JPH07252225A (ja) 1995-10-03
ATE155455T1 (de) 1997-08-15
US5663351A (en) 1997-09-02
EP0661265B1 (de) 1997-07-16
EP0661265A1 (de) 1995-07-05
JP3839075B2 (ja) 2006-11-01
DE4342276A1 (de) 1995-06-14
DE59403391D1 (de) 1997-08-21
CA2137747A1 (en) 1995-06-12
GR3024447T3 (en) 1997-11-28

Similar Documents

Publication Publication Date Title
Van Nispen et al. Use of dilithio-tosylmethyl isocyanide in the synthesis of oxazoles and imidazoles
MXPA03005248A (es) Procedimiento de purificacion de mezclas de diisocianato de tolueno que incorpora columna de destilacion con pared divisora.
EP0327368A3 (en) Method for determining the compositional distribution of a crystalline copolymer
ATE130595T1 (de) Transvinylierungsverfahren durch reaktive destillation.
AU588664B2 (en) Purification of n-vinylformamide and poly-n-vinylformamides prepared therefrom
FI922930A0 (fi) Foerfarande foer framstaellning av diacetylrhein.
DK0661265T3 (da) Fremgangsmåde til kontinuerlig fremstilling af 2,2,6,6-tetramethylpiperidin
CA2220463A1 (en) Process for improving color and color stability of oleic acid
GB980444A (en) Process for the continuous recovery of acrylonitrile and acetonitrile
NO180339C (no) Analogifremgangsmåte for fremstilling av terapeutisk aktive 4-amino-<Delta>4-steroider og mellomprodukter derfor
CA2060546A1 (en) Process for preparing 2,2,6,6-tetramethyl-4-piperidylamines
AU8135691A (en) 4-amino-delta4, 6-steroids and their use as 5alpha-reductase inhibitors
DE59301862D1 (de) Destillatives Trennverfahren in diskontinuierlicher Betriebsweise
JPS52102273A (en) Synthesis of 5-oxo-2-(alpha,alpha-disubstituted benzyloxyethyl)pyrrolidines
CA2257095A1 (en) Process for purifying sterically hindered 4-amino piperidines
ES2145470T3 (es) Procedimiento para la preparacion de 3s-((4-((4-(aminoiminometil)fenil)amino)-1,4-dioxobutil)amino)-4-pentinoato de etilo.
ATE146777T1 (de) Herstellung von beta-jonon
Vorbrüggen The Removal of Water in Organic Reactions Trimethylsilanol as a Leaving Group
ES8607284A1 (es) Un procedimiento para la produccion de un isomero optico dextrogiro
Jurczak et al. Effect of pressure on the reaction of 2-alkylfurans with diethyl mesoxalate
JPS5271448A (en) Synthesis of 2-crotonyloxymethyl-(4r,5r,6r)-4,5,6-trihydroxy-cyclohex- 2-enone
GB821996A (en) Purification of perchloroethylene
TR28845A (tr) Etilen glikol'ün, fraksiyonel damitilmasi suretile üretilen kolon dip bakiyelerinin geri kazanilmasi icin proses.
Rieke et al. (E, E)-(. eta. 6:. eta. 6-1, 4-diphenyl-1, 3-butadiene) bis (tricarbonylchromium) dianion. Study of its chemistry and reactivity [Erratum to document cited in CA115 (13): 136296b]
TH34823A (th) การทำตัวทำละลายให้บริสุทธิ์