CH574412A5 - 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 - Google Patents

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

Info

Publication number
CH574412A5
CH574412A5 CH924173A CH924173A CH574412A5 CH 574412 A5 CH574412 A5 CH 574412A5 CH 924173 A CH924173 A CH 924173A CH 924173 A CH924173 A CH 924173A CH 574412 A5 CH574412 A5 CH 574412A5
Authority
CH
Switzerland
Prior art keywords
acetone
acid
hours
boron trifluoride
process step
Prior art date
Application number
CH924173A
Other languages
German (de)
English (en)
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
Application filed by Ciba Geigy Ag filed Critical Ciba Geigy Ag
Priority to CH924173A priority Critical patent/CH574412A5/de
Priority to FI1905/74A priority patent/FI190574A7/fi
Priority to NO742255A priority patent/NO742255L/no
Priority to SE7408172A priority patent/SE403478B/xx
Priority to DK330874AA priority patent/DK139678B/da
Priority to ES427508A priority patent/ES427508A1/es
Priority to HUCI001483 priority patent/HU176761B/hu
Priority to BG027040A priority patent/BG27080A3/xx
Priority to AT517774A priority patent/AT338262B/de
Priority to IE1302/74A priority patent/IE39523B1/xx
Priority to IL45095A priority patent/IL45095A/en
Priority to BR510674A priority patent/BR7405106A/pt
Priority to CA203,059A priority patent/CA1027950A/fr
Priority to AR254314A priority patent/AR202653A1/es
Priority to NL7408409A priority patent/NL190846C/xx
Priority to LU70387*A priority patent/LU70387A1/xx
Priority to BE145745A priority patent/BE816703A/fr
Priority to DE2429937A priority patent/DE2429937A1/de
Priority to DD179373A priority patent/DD112443A5/xx
Priority to ZA00744005A priority patent/ZA744005B/xx
Priority to JP49071215A priority patent/JPS5929589B2/ja
Priority to GB2760474A priority patent/GB1461703A/en
Priority to US05/481,922 priority patent/US3959295A/en
Priority to FR7421684A priority patent/FR2234291B1/fr
Priority to IT24300/74A priority patent/IT1021057B/it
Priority to AU70432/74A priority patent/AU479247B2/en
Priority to EG24174A priority patent/EG11118A/xx
Priority to TR17835A priority patent/TR17835A/xx
Publication of CH574412A5 publication Critical patent/CH574412A5/de

Links

Classifications

    • 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)
CH924173A 1973-05-17 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 CH574412A5 (en)

Priority Applications (28)

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
FI1905/74A FI190574A7 (fr) 1973-06-25 1974-06-20
NO742255A NO742255L (fr) 1973-06-25 1974-06-20
SE7408172A SE403478B (sv) 1973-06-25 1974-06-20 Sett att framstella 2,2,6,6-tetrametyl-4-oxopiperidin
DK330874AA DK139678B (da) 1973-06-25 1974-06-20 Fremgangsmåde til fremstilling af 2,2,6,6-tetramethyl-4-oxopiperidin.
ES427508A ES427508A1 (es) 1973-06-25 1974-06-21 Procedimiento para la preparacion de 2,2,6,6-tetrametil-4- oxopiperidina.
HUCI001483 HU176761B (en) 1973-06-25 1974-06-21 Process for producing 2,2,6,6-tetramethyl-4-oxopiperidine bracket triacetonamine bracket closed
BG027040A BG27080A3 (bg) 1973-06-25 1974-06-21 Метод за получаване на 2,2,6,6-тетраметил-4- оксипиперидин
AT517774A AT338262B (de) 1973-06-25 1974-06-21 Verfahren zur herstellung von 2,2,6,6-tetramethyl-4-oxopiperidin
IE1302/74A IE39523B1 (en) 1973-06-25 1974-06-21 Process for the preparation of 2,2,6,6,-tetramethyl-4-oxopiperidine
IL45095A IL45095A (en) 1973-06-25 1974-06-21 Preparation of 2,2,6,6-tetramethyl-4-oxopiperidine
BR510674A BR7405106A (pt) 1973-06-25 1974-06-21 Processo para fabricacao de 2,2,6,6,-tetrametil-4-oxopiperidina
CA203,059A CA1027950A (fr) 1973-06-25 1974-06-21 Synthese de la 2,2,6,6-tetramethyle-4-oxopiperidine
AR254314A AR202653A1 (es) 1973-06-25 1974-06-21 Preparacion de 2,2,6,6-tetrametil-4-oxopiperidina
NL7408409A NL190846C (nl) 1973-06-25 1974-06-21 Werkwijze voor het bereiden van 2,2,6,6-tetramethyl-4-piperidon.
LU70387*A LU70387A1 (fr) 1973-06-25 1974-06-21
BE145745A BE816703A (fr) 1973-06-25 1974-06-21 Procede de preparation d'une tetramethyl-oxo-piperidine
DE2429937A DE2429937A1 (de) 1973-06-25 1974-06-21 Verfahren zur herstellung von 2,2,6,6tetramethyl-4-oxo-piperidin
DD179373A DD112443A5 (de) 1973-06-25 1974-06-21 Verfahren zur herstellung von 2,2,6,6-tetramethyl-4-oxopiperidin
ZA00744005A ZA744005B (en) 1973-06-25 1974-06-21 Process for the preparation o 2,2,6,6-tetramethyl- 4-oxopiperdine
JP49071215A JPS5929589B2 (ja) 1973-06-25 1974-06-21 2,2,6,6−テトラメチル−4−オキソピペリジンの製造方法
GB2760474A GB1461703A (en) 1973-06-25 1974-06-21 Process for the preparation of 2,2,6,6-tetramethyl-4-oxopiper idine
US05/481,922 US3959295A (en) 1973-05-17 1974-06-21 Process for the preparation of 2,2,6,6-tetramethyl-4-oxopiperidine
FR7421684A FR2234291B1 (fr) 1973-06-25 1974-06-21
IT24300/74A IT1021057B (it) 1973-06-25 1974-06-21 Procedimento per la preparazione di 2.2.6.6 tetrametil 4 osso piperidina
AU70432/74A AU479247B2 (en) 1973-06-25 1974-06-24 Process for the preparation of 2, 2, 6, 6-tetramethyl-4-oxopiperidine
EG24174A EG11118A (en) 1973-06-25 1974-06-24 Process for the preparation of 2,2,6,6-tetramethyl-4-oxopiperidine
TR17835A TR17835A (tr) 1973-06-25 1974-06-24 2,2,6,6-tetrametil-4-oksopiperidin imaline mahsus usul

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH574412A5 true CH574412A5 (en) 1976-04-15

Family

ID=4349871

Family Applications (1)

Application Number Title Priority Date Filing Date
CH924173A CH574412A5 (en) 1973-05-17 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

Country Status (4)

Country Link
BE (1) BE816703A (fr)
CH (1) CH574412A5 (fr)
TR (1) TR17835A (fr)
ZA (1) ZA744005B (fr)

Also Published As

Publication number Publication date
BE816703A (fr) 1974-12-23
TR17835A (tr) 1976-04-13
ZA744005B (en) 1975-06-25

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