GB1265235A - - Google Patents

Info

Publication number
GB1265235A
GB1265235A GB1265235DA GB1265235A GB 1265235 A GB1265235 A GB 1265235A GB 1265235D A GB1265235D A GB 1265235DA GB 1265235 A GB1265235 A GB 1265235A
Authority
GB
United Kingdom
Prior art keywords
preferred
pyridine
carbon atoms
aldehyde
hydrocarbon
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
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 filed Critical
Publication of GB1265235A publication Critical patent/GB1265235A/en
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
    • C07D213/06—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 containing only hydrogen and carbon atoms in addition to the ring nitrogen atom
    • C07D213/08—Preparation by ring-closure

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyridine Compounds (AREA)
  • Phenolic Resins Or Amino Resins (AREA)

Abstract

1,265,235. Pyridine. RUTGERSWERKE A.G. 15 April, 1970 [24 June, 1969], No. 17992/70. Heading C2C. Pyridine is produced by the reaction of a straight-chain aldehyde containing 4 carbon atoms, formaldehyde and/or methanol and ammonia in the presence of a dehydration/ dehydrogenation catalyst at a temperature of from 300‹ to 600‹ C. and of an aromatic, aliphatic or cycloaliphatic hydrocarbon containing 6-9 carbon atoms. The preferred catalysts are those consisting of silicic acid and alumina. The preferred C 4 aldehyde is crotononaldehyde and the preferred hydrocarbon is benzene. A small amount of picoline may also be formed.
GB1265235D 1969-06-24 1970-04-15 Expired GB1265235A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691931945 DE1931945C3 (en) 1969-06-24 1969-06-24 Process for the preparation of pyridine

Publications (1)

Publication Number Publication Date
GB1265235A true GB1265235A (en) 1972-03-01

Family

ID=5737849

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1265235D Expired GB1265235A (en) 1969-06-24 1970-04-15

Country Status (3)

Country Link
DE (1) DE1931945C3 (en)
GB (1) GB1265235A (en)
NL (1) NL7008689A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4675410A (en) * 1983-07-11 1987-06-23 Nepera Inc. Process for the production of pyridine or alkyl substituted pyridines

Also Published As

Publication number Publication date
DE1931945A1 (en) 1971-01-14
DE1931945B2 (en) 1973-03-08
DE1931945C3 (en) 1973-09-27
NL7008689A (en) 1970-12-29

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee