GB995689A - Pyrolysis of pyridine - Google Patents

Pyrolysis of pyridine

Info

Publication number
GB995689A
GB995689A GB2524963A GB2524963A GB995689A GB 995689 A GB995689 A GB 995689A GB 2524963 A GB2524963 A GB 2524963A GB 2524963 A GB2524963 A GB 2524963A GB 995689 A GB995689 A GB 995689A
Authority
GB
United Kingdom
Prior art keywords
pyrolysis
pyridine
dipyridyl
pressure
dipyridyls
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
GB2524963A
Inventor
John Reginald Case
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB2524963A priority Critical patent/GB995689A/en
Publication of GB995689A publication Critical patent/GB995689A/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
    • C07D213/22—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 containing two or more pyridine rings directly linked together, e.g. bipyridyl

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pyridine Compounds (AREA)

Abstract

Dipyridyls are produced by the pyrolysis of pyridine under elevated pressure. Preferably the process is carried out at a temperature of 550-700 DEG C. at a pressure from 100 to 300 atmospheres. The product is mainly 2,21- dipyridyl with some 4,41- and some 2,41- dipyridyl.
GB2524963A 1963-06-25 1963-06-25 Pyrolysis of pyridine Expired GB995689A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2524963A GB995689A (en) 1963-06-25 1963-06-25 Pyrolysis of pyridine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2524963A GB995689A (en) 1963-06-25 1963-06-25 Pyrolysis of pyridine

Publications (1)

Publication Number Publication Date
GB995689A true GB995689A (en) 1965-06-23

Family

ID=10224628

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2524963A Expired GB995689A (en) 1963-06-25 1963-06-25 Pyrolysis of pyridine

Country Status (1)

Country Link
GB (1) GB995689A (en)

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