AT252914B - Verfahren zur Reinigung von Dipyridylen - Google Patents
Verfahren zur Reinigung von DipyridylenInfo
- Publication number
- AT252914B AT252914B AT154763A AT154763A AT252914B AT 252914 B AT252914 B AT 252914B AT 154763 A AT154763 A AT 154763A AT 154763 A AT154763 A AT 154763A AT 252914 B AT252914 B AT 252914B
- Authority
- AT
- Austria
- Prior art keywords
- dipyridyls
- purification
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
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 |
|---|---|
| AT252914B true AT252914B (de) | 1967-03-10 |
Family
ID=9836894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT154763A AT252914B (de) | 1962-02-27 | 1963-02-27 | Verfahren zur Reinigung von Dipyridylen |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT252914B (de) |
| BR (1) | BR6347239D0 (de) |
| CH (1) | CH437283A (de) |
| DE (1) | DE1445934C3 (de) |
| DK (1) | DK104845C (de) |
| ES (1) | ES285528A1 (de) |
| GB (1) | GB996570A (de) |
| SE (1) | SE324768B (de) |
Families Citing this family (1)
| 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 |
-
1962
- 1962-02-27 GB GB763562A patent/GB996570A/en not_active Expired
-
1963
- 1963-02-21 DE DE19631445934 patent/DE1445934C3/de not_active Expired
- 1963-02-25 CH CH237563A patent/CH437283A/de unknown
- 1963-02-25 DK DK86663A patent/DK104845C/da active
- 1963-02-27 BR BR14723963A patent/BR6347239D0/pt unknown
- 1963-02-27 AT AT154763A patent/AT252914B/de active
- 1963-02-27 ES ES285528A patent/ES285528A1/es not_active Expired
- 1963-02-27 SE SE213663A patent/SE324768B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB996570A (en) | 1965-06-30 |
| ES285528A1 (es) | 1963-08-01 |
| DK104845C (da) | 1966-07-11 |
| DE1445934A1 (de) | 1969-02-20 |
| DE1445934B2 (de) | 1973-08-02 |
| SE324768B (de) | 1970-06-15 |
| BR6347239D0 (pt) | 1973-12-26 |
| DE1445934C3 (de) | 1974-02-28 |
| CH437283A (de) | 1967-06-15 |
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