CH582146A5 - 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 - Google Patents

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

Info

Publication number
CH582146A5
CH582146A5 CH701774A CH701774A CH582146A5 CH 582146 A5 CH582146 A5 CH 582146A5 CH 701774 A CH701774 A CH 701774A CH 701774 A CH701774 A CH 701774A CH 582146 A5 CH582146 A5 CH 582146A5
Authority
CH
Switzerland
Prior art keywords
acid
acetone
ammonium
acetonine
acetonin
Prior art date
Application number
CH701774A
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
Priority to AR254313A priority Critical patent/AR204926A1/es
Application filed by Ciba Geigy Ag filed Critical Ciba Geigy Ag
Priority to CH701774A priority patent/CH582146A5/de
Priority to DK330774A priority patent/DK330774A/da
Priority to NO742256A priority patent/NO742256L/no
Priority to FI1904/74A priority patent/FI190474A7/fi
Priority to DE2429936A priority patent/DE2429936C2/de
Priority to CA203,060A priority patent/CA1027951A/en
Priority to DD179361A priority patent/DD112758A5/xx
Priority to HU74CI1482A priority patent/HU176760B/hu
Priority to PL17211174A priority patent/PL93160B1/pl
Priority to BR5079/74A priority patent/BR7405079D0/pt
Priority to AT517674A priority patent/AT336613B/de
Priority to IE1301/74A priority patent/IE39522B1/xx
Priority to JP49071214A priority patent/JPS596852B2/ja
Priority to LU70386*A priority patent/LU70386A1/xx
Priority to GB2760374A priority patent/GB1461702A/en
Priority to FR7421683A priority patent/FR2234290B1/fr
Priority to IL45096A priority patent/IL45096A/en
Priority to NL7408406A priority patent/NL7408406A/xx
Priority to BG027039A priority patent/BG27079A3/xx
Priority to RO7479253A priority patent/RO67194A/ro
Priority to ES427507A priority patent/ES427507A1/es
Priority to IT2429974A priority patent/IT1021056B/it
Priority to US05/481,921 priority patent/US3953459A/en
Priority to AU70431/74A priority patent/AU479261B2/en
Priority to EG240/74A priority patent/EG11239A/xx
Publication of CH582146A5 publication Critical patent/CH582146A5/de

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Catalysts (AREA)
CH701774A 1973-05-22 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 CH582146A5 (en)

Priority Applications (26)

Application Number Priority Date Filing Date Title
AR254313A AR204926A1 (es) 1973-06-25 1974-01-01 Procedimiento para la preparacion de 2,2,6,6-tetrametil-4-oxopiperidina
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
DK330774A DK330774A (enrdf_load_stackoverflow) 1973-06-25 1974-06-20
NO742256A NO742256L (enrdf_load_stackoverflow) 1973-06-25 1974-06-20
FI1904/74A FI190474A7 (enrdf_load_stackoverflow) 1973-06-25 1974-06-20
JP49071214A JPS596852B2 (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
FR7421683A FR2234290B1 (enrdf_load_stackoverflow) 1973-06-25 1974-06-21
DD179361A DD112758A5 (enrdf_load_stackoverflow) 1973-06-25 1974-06-21
HU74CI1482A HU176760B (en) 1973-06-25 1974-06-21 Process for producing 2,2,6,6-tetramethyl-4-oxopiperidine bracket triacetonamine bracket closed
PL17211174A PL93160B1 (enrdf_load_stackoverflow) 1974-05-22 1974-06-21
BR5079/74A BR7405079D0 (pt) 1973-06-25 1974-06-21 Processo para a fabricacao de 2,2,6,6-tetrametil-4-oxopiperidina
AT517674A AT336613B (de) 1973-06-25 1974-06-21 Verfahren zur herstellung von 2,2,6,6-tetramethyl-4-oxopiperidin
IE1301/74A IE39522B1 (en) 1973-06-25 1974-06-21 Process for the preparation of 2,2,6,6,-tetramethyl-4-oxopiperidine
DE2429936A DE2429936C2 (de) 1973-06-25 1974-06-21 Verfahren zur Herstellung von 2,2,6,6- Tetramethyl-4-oxopiperidin
LU70386*A LU70386A1 (enrdf_load_stackoverflow) 1973-06-25 1974-06-21
GB2760374A GB1461702A (en) 1973-06-25 1974-06-21 Process for the preparation of 2,2,6,6,-tetramethyl-4-oxopiper idine
CA203,060A CA1027951A (en) 1973-06-25 1974-06-21 Process for the preparation of 2,2,6,6-tetramethyl-4-oxopiperidine
IL45096A IL45096A (en) 1973-06-25 1974-06-21 The preparation of 2,2,6,6-tetramethyl-4-oxopiperidine
NL7408406A NL7408406A (enrdf_load_stackoverflow) 1973-06-25 1974-06-21
BG027039A BG27079A3 (bg) 1973-06-25 1974-06-21 Метод за получаване на 2,2,6,6-тетраметил-4-оксипиперидин
RO7479253A RO67194A (fr) 1973-06-25 1974-06-21 Procede pour la preparation du 2,2,6,6-tetramethyle-4-piperydone
ES427507A ES427507A1 (es) 1973-06-25 1974-06-21 Procedimiento para la preparacion de 2,2,6,6-tetrametil-4- oxopiperidina.
IT2429974A IT1021056B (it) 1973-06-25 1974-06-21 Procedimento per la preparazione di 2.2.6.6 tetrametil 4 osso pireridina
US05/481,921 US3953459A (en) 1973-05-22 1974-06-21 Process for the preparation of 2,2,6,6-tetramethyl-4-oxopiperidine
AU70431/74A AU479261B2 (en) 1973-06-25 1974-06-24 Process forthe preparation of 2, 2, 6, 6 tetra methyl-4-oxopiperidine
EG240/74A EG11239A (en) 1973-06-25 1974-06-24 Process for preparation of 2,2,6,6,tetramethyl-4-oxopiperidine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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 (1)

Publication Number Publication Date
CH582146A5 true CH582146A5 (en) 1976-11-30

Family

ID=4318626

Family Applications (1)

Application Number Title Priority Date Filing Date
CH701774A CH582146A5 (en) 1973-05-22 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

Country Status (2)

Country Link
CH (1) CH582146A5 (enrdf_load_stackoverflow)
PL (1) PL93160B1 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
PL93160B1 (enrdf_load_stackoverflow) 1977-05-30

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