GB869955A - Improvements in and relating to the production of 2:2-dipyridyl - Google Patents

Improvements in and relating to the production of 2:2-dipyridyl

Info

Publication number
GB869955A
GB869955A GB2988758A GB2988758A GB869955A GB 869955 A GB869955 A GB 869955A GB 2988758 A GB2988758 A GB 2988758A GB 2988758 A GB2988758 A GB 2988758A GB 869955 A GB869955 A GB 869955A
Authority
GB
United Kingdom
Prior art keywords
halide
pyridine
dipyridyl
preferred
relating
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
GB2988758A
Inventor
Anthony Howden Jubb
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 GB2988758A priority Critical patent/GB869955A/en
Priority to DE1959I0016980 priority patent/DE1276038B/en
Publication of GB869955A publication Critical patent/GB869955A/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

2-21-Dipyridyl is produced by heating pyridine at elevated temperature in the presence of zinc, cadmium or mercury. The preferred halide is a chloride and the preferred molar ratio of pyridine to halide is within the range 1:2 and 25:1. If desired the pyridine and halide may be used in the form of a complex compound between pyridine and the halide. The preferred temperatures for carrying out the process are in the range 270 DEG -340 DEG C. It is desirable that the surfaces of the reaction vessel coming into contact with the reaction mixture should be made of a material which is resistant to corrosion, e.g. tantalum.
GB2988758A 1958-09-18 1958-09-18 Improvements in and relating to the production of 2:2-dipyridyl Expired GB869955A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB2988758A GB869955A (en) 1958-09-18 1958-09-18 Improvements in and relating to the production of 2:2-dipyridyl
DE1959I0016980 DE1276038B (en) 1958-09-18 1959-09-19 Process for the preparation of 2,2'-dipyridyl

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2988758A GB869955A (en) 1958-09-18 1958-09-18 Improvements in and relating to the production of 2:2-dipyridyl
GB2836359 1958-10-01

Publications (1)

Publication Number Publication Date
GB869955A true GB869955A (en) 1961-06-07

Family

ID=10298796

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2988758A Expired GB869955A (en) 1958-09-18 1958-09-18 Improvements in and relating to the production of 2:2-dipyridyl

Country Status (2)

Country Link
DE (1) DE1276038B (en)
GB (1) GB869955A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3210366A (en) * 1962-03-08 1965-10-05 Ici Ltd Manufacture of 2, 2'-dipyridyl

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE626671C (en) * 1931-09-01 1936-02-29 Degussa Process for the preparation of condensation products of pyridine or dipyridylene

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3210366A (en) * 1962-03-08 1965-10-05 Ici Ltd Manufacture of 2, 2'-dipyridyl

Also Published As

Publication number Publication date
DE1276038B (en) 1968-08-29

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