CH437283A - Process for purifying bipyridyls - Google Patents
Process for purifying bipyridylsInfo
- Publication number
- CH437283A CH437283A CH237563A CH237563A CH437283A CH 437283 A CH437283 A CH 437283A CH 237563 A CH237563 A CH 237563A CH 237563 A CH237563 A CH 237563A CH 437283 A CH437283 A CH 437283A
- Authority
- CH
- Switzerland
- Prior art keywords
- bipyridyls
- purifying
- purifying bipyridyls
- Prior art date
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB763562A GB996570A (en) | 1962-02-27 | 1962-02-27 | Purification of bipyridyls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH437283A true CH437283A (en) | 1967-06-15 |
Family
ID=9836894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH237563A CH437283A (en) | 1962-02-27 | 1963-02-25 | Process for purifying bipyridyls |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT252914B (en) |
| BR (1) | BR6347239D0 (en) |
| CH (1) | CH437283A (en) |
| DE (1) | DE1445934C3 (en) |
| DK (1) | DK104845C (en) |
| ES (1) | ES285528A1 (en) |
| GB (1) | GB996570A (en) |
| SE (1) | SE324768B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105218432A (en) * | 2015-09-15 | 2016-01-06 | 南京化学试剂股份有限公司 | A kind of 4, the method for purification of 4 '-dipyridyl |
-
1962
- 1962-02-27 GB GB763562A patent/GB996570A/en not_active Expired
-
1963
- 1963-02-21 DE DE19631445934 patent/DE1445934C3/en not_active Expired
- 1963-02-25 DK DK86663A patent/DK104845C/en active
- 1963-02-25 CH CH237563A patent/CH437283A/en unknown
- 1963-02-27 BR BR14723963A patent/BR6347239D0/en unknown
- 1963-02-27 ES ES285528A patent/ES285528A1/en not_active Expired
- 1963-02-27 AT AT154763A patent/AT252914B/en active
- 1963-02-27 SE SE213663A patent/SE324768B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BR6347239D0 (en) | 1973-12-26 |
| DE1445934C3 (en) | 1974-02-28 |
| ES285528A1 (en) | 1963-08-01 |
| DE1445934B2 (en) | 1973-08-02 |
| DK104845C (en) | 1966-07-11 |
| GB996570A (en) | 1965-06-30 |
| SE324768B (en) | 1970-06-15 |
| AT252914B (en) | 1967-03-10 |
| DE1445934A1 (en) | 1969-02-20 |
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