AT249056B - Verfahren zur Abtrennung von 4,4'-Dipyridyl als 4,4'-Dipyridyldihydrat von seinen Isomeren - Google Patents

Verfahren zur Abtrennung von 4,4'-Dipyridyl als 4,4'-Dipyridyldihydrat von seinen Isomeren

Info

Publication number
AT249056B
AT249056B AT154563A AT154563A AT249056B AT 249056 B AT249056 B AT 249056B AT 154563 A AT154563 A AT 154563A AT 154563 A AT154563 A AT 154563A AT 249056 B AT249056 B AT 249056B
Authority
AT
Austria
Prior art keywords
dipyridyl
dihydrate
isomers
separation
dipyridyl dihydrate
Prior art date
Application number
AT154563A
Other languages
English (en)
Original Assignee
Ici 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 Ici Ltd filed Critical Ici Ltd
Application granted granted Critical
Publication of AT249056B publication Critical patent/AT249056B/de

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
    • C07D213/22Heterocyclic 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)
  • Processing Of Solid Wastes (AREA)
AT154563A 1962-02-27 1963-02-27 Verfahren zur Abtrennung von 4,4'-Dipyridyl als 4,4'-Dipyridyldihydrat von seinen Isomeren AT249056B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB763462A GB996569A (en) 1962-02-27 1962-02-27 Separation of 4:4-bipyridyl from mixtures containing it

Publications (1)

Publication Number Publication Date
AT249056B true AT249056B (de) 1966-09-26

Family

ID=9836877

Family Applications (1)

Application Number Title Priority Date Filing Date
AT154563A AT249056B (de) 1962-02-27 1963-02-27 Verfahren zur Abtrennung von 4,4'-Dipyridyl als 4,4'-Dipyridyldihydrat von seinen Isomeren

Country Status (8)

Country Link
AT (1) AT249056B (de)
BR (1) BR6347238D0 (de)
CH (1) CH437282A (de)
DE (1) DE1445932C3 (de)
DK (1) DK106609C (de)
ES (1) ES285386A1 (de)
GB (1) GB996569A (de)
SE (1) SE323960B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7598204B2 (en) 2005-09-19 2009-10-06 General Motors Corporation Metallic reagent
US7655749B2 (en) 2005-09-19 2010-02-02 Gm Global Technology Operations, Inc. Method for making nitrogen aromatic oligomers and polymers

Also Published As

Publication number Publication date
DK106609C (da) 1967-02-27
DE1445932C3 (de) 1974-07-25
ES285386A1 (es) 1963-08-01
SE323960B (de) 1970-05-19
DE1445932A1 (de) 1969-03-06
DE1445932B2 (de) 1973-12-20
CH437282A (de) 1967-06-15
GB996569A (en) 1965-06-30
BR6347238D0 (pt) 1973-06-14

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