DE634284C - Verfahren zur Darstellung von 2, 4-Dioxo-3, 3-dialkyltetrahydropyridinen - Google Patents

Verfahren zur Darstellung von 2, 4-Dioxo-3, 3-dialkyltetrahydropyridinen

Info

Publication number
DE634284C
DE634284C DEH144039D DEH0144039D DE634284C DE 634284 C DE634284 C DE 634284C DE H144039 D DEH144039 D DE H144039D DE H0144039 D DEH0144039 D DE H0144039D DE 634284 C DE634284 C DE 634284C
Authority
DE
Germany
Prior art keywords
weight
parts
ester
dioxo
solution
Prior art date
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
DEH144039D
Other languages
German (de)
English (en)
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.)
F Hoffmann La Roche AG
Original Assignee
F Hoffmann La Roche 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 F Hoffmann La Roche AG filed Critical F Hoffmann La Roche AG
Priority to DEH144039D priority Critical patent/DE634284C/de
Priority to DK54545D priority patent/DK54545C/da
Application granted granted Critical
Publication of DE634284C publication Critical patent/DE634284C/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/62—Oxygen or sulfur atoms
    • C07D213/69—Two or more oxygen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pyridine Compounds (AREA)
DEH144039D 1935-06-18 1935-06-18 Verfahren zur Darstellung von 2, 4-Dioxo-3, 3-dialkyltetrahydropyridinen Expired DE634284C (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DEH144039D DE634284C (de) 1935-06-18 1935-06-18 Verfahren zur Darstellung von 2, 4-Dioxo-3, 3-dialkyltetrahydropyridinen
DK54545D DK54545C (da) 1935-06-18 1936-05-30 Fremgangsmaade til Fremstilling af 2,4-Diokso-3,3-dialkyltetrahydropyridiner.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEH144039D DE634284C (de) 1935-06-18 1935-06-18 Verfahren zur Darstellung von 2, 4-Dioxo-3, 3-dialkyltetrahydropyridinen

Publications (1)

Publication Number Publication Date
DE634284C true DE634284C (de) 1936-08-25

Family

ID=7179322

Family Applications (1)

Application Number Title Priority Date Filing Date
DEH144039D Expired DE634284C (de) 1935-06-18 1935-06-18 Verfahren zur Darstellung von 2, 4-Dioxo-3, 3-dialkyltetrahydropyridinen

Country Status (2)

Country Link
DE (1) DE634284C (da)
DK (1) DK54545C (da)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1000381B (de) * 1952-12-04 1957-01-10 Hoffmann La Roche Verfahren zur Herstellung von 2-Thio-3, 3-dialkyl- bzw. 2-Thio-3, 3-dialkenyl-4-oxo-1, 2, 3, 4-tetrahydro-pyridinen
DE1268145B (de) * 1959-02-06 1968-05-16 Hoffmann La Roche Verfahren zur Herstellung von substituierten 2, 4-Dioxo-tetrahydropyridinen

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1000381B (de) * 1952-12-04 1957-01-10 Hoffmann La Roche Verfahren zur Herstellung von 2-Thio-3, 3-dialkyl- bzw. 2-Thio-3, 3-dialkenyl-4-oxo-1, 2, 3, 4-tetrahydro-pyridinen
DE1000381C2 (de) * 1952-12-04 1957-06-19 Hoffmann La Roche Verfahren zur Herstellung von 2-Thio-3, 3-dialkyl- bzw. 2-Thio-3, 3-dialkenyl-4-oxo-1, 2, 3, 4-tetrahydro-pyridinen
DE1268145B (de) * 1959-02-06 1968-05-16 Hoffmann La Roche Verfahren zur Herstellung von substituierten 2, 4-Dioxo-tetrahydropyridinen

Also Published As

Publication number Publication date
DK54545C (da) 1938-04-04

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