BE643687A - - Google Patents

Info

Publication number
BE643687A
BE643687A BE643687A BE643687A BE643687A BE 643687 A BE643687 A BE 643687A BE 643687 A BE643687 A BE 643687A BE 643687 A BE643687 A BE 643687A BE 643687 A BE643687 A BE 643687A
Authority
BE
Belgium
Application number
BE643687A
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 BE643687A publication Critical patent/BE643687A/xx

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)
BE643687A 1963-02-13 1964-02-12 BE643687A (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5900/63A GB1043356A (en) 1963-02-13 1963-02-13 Purification of bipyridyls

Publications (1)

Publication Number Publication Date
BE643687A true BE643687A (no) 1964-08-12

Family

ID=9804734

Family Applications (1)

Application Number Title Priority Date Filing Date
BE643687A BE643687A (no) 1963-02-13 1964-02-12

Country Status (10)

Country Link
US (1) US3296273A (no)
AT (1) AT244967B (no)
BE (1) BE643687A (no)
CH (1) CH438300A (no)
DE (1) DE1225181B (no)
DK (1) DK109332C (no)
ES (1) ES296355A1 (no)
GB (1) GB1043356A (no)
NL (1) NL6401239A (no)
SE (1) SE331840B (no)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105218432A (zh) * 2015-09-15 2016-01-06 南京化学试剂股份有限公司 一种4,4′-联吡啶的提纯方法

Also Published As

Publication number Publication date
DK109332C (da) 1968-04-16
DE1225181B (de) 1966-09-22
ES296355A1 (es) 1964-05-01
GB1043356A (en) 1966-09-21
CH438300A (de) 1967-06-30
AT244967B (de) 1966-02-10
SE331840B (no) 1971-01-18
NL6401239A (no) 1964-08-14
US3296273A (en) 1967-01-03

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