IT954131B - PROCEDURE FOR THE PREPARATION OF 3 5 DIALKYL PYRIDINES FROM PRE-CONDENSED PRO DUCTS OF FORMALDEHYDE WITH HIGHER ALDEHYDES WHICH HAS NO A FREE ALPHA METHYLENE GROUP - Google Patents

PROCEDURE FOR THE PREPARATION OF 3 5 DIALKYL PYRIDINES FROM PRE-CONDENSED PRO DUCTS OF FORMALDEHYDE WITH HIGHER ALDEHYDES WHICH HAS NO A FREE ALPHA METHYLENE GROUP

Info

Publication number
IT954131B
IT954131B IT2868671A IT2868671A IT954131B IT 954131 B IT954131 B IT 954131B IT 2868671 A IT2868671 A IT 2868671A IT 2868671 A IT2868671 A IT 2868671A IT 954131 B IT954131 B IT 954131B
Authority
IT
Italy
Prior art keywords
formaldehyde
condensed
procedure
preparation
methylene group
Prior art date
Application number
IT2868671A
Other languages
Italian (it)
Original Assignee
Bayer 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 claimed from DE19702045885 external-priority patent/DE2045885A1/en
Priority claimed from DE19712123965 external-priority patent/DE2123965A1/en
Application filed by Bayer Ag filed Critical Bayer Ag
Application granted granted Critical
Publication of IT954131B publication Critical patent/IT954131B/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic 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
    • C07D213/02Heterocyclic 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
    • C07D213/04Heterocyclic 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
    • C07D213/06Heterocyclic 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 containing only hydrogen and carbon atoms in addition to the ring nitrogen atom
    • C07D213/08Preparation by ring-closure

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyridine Compounds (AREA)
IT2868671A 1970-09-17 1971-09-15 PROCEDURE FOR THE PREPARATION OF 3 5 DIALKYL PYRIDINES FROM PRE-CONDENSED PRO DUCTS OF FORMALDEHYDE WITH HIGHER ALDEHYDES WHICH HAS NO A FREE ALPHA METHYLENE GROUP IT954131B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19702045885 DE2045885A1 (en) 1970-09-17 1970-09-17 3,5-dialkylpyridine prdon - from formaldehyde pre condesnates higher aldehydes
DE19712123965 DE2123965A1 (en) 1971-05-14 1971-05-14 3,5-dialkylpyridine prdon - from formaldehyde pre condesnates higher aldehydes

Publications (1)

Publication Number Publication Date
IT954131B true IT954131B (en) 1973-08-30

Family

ID=25759737

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2868671A IT954131B (en) 1970-09-17 1971-09-15 PROCEDURE FOR THE PREPARATION OF 3 5 DIALKYL PYRIDINES FROM PRE-CONDENSED PRO DUCTS OF FORMALDEHYDE WITH HIGHER ALDEHYDES WHICH HAS NO A FREE ALPHA METHYLENE GROUP

Country Status (7)

Country Link
AT (1) AT308751B (en)
BE (1) BE772766A (en)
CH (1) CH558355A (en)
FR (1) FR2108257A5 (en)
GB (1) GB1366087A (en)
IT (1) IT954131B (en)
NL (1) NL7112688A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3145839A1 (en) 2023-02-10 2024-08-16 Psa Automobiles Sa Calculator support

Also Published As

Publication number Publication date
FR2108257A5 (en) 1972-05-19
AT308751B (en) 1973-07-25
GB1366087A (en) 1974-09-11
CH558355A (en) 1975-01-31
BE772766A (en) 1972-03-17
NL7112688A (en) 1972-03-21

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