DE2521969A1 - Verfahren zur herstellung von 2,2'- und 4,4'-bipyridylen - Google Patents
Verfahren zur herstellung von 2,2'- und 4,4'-bipyridylenInfo
- Publication number
- DE2521969A1 DE2521969A1 DE19752521969 DE2521969A DE2521969A1 DE 2521969 A1 DE2521969 A1 DE 2521969A1 DE 19752521969 DE19752521969 DE 19752521969 DE 2521969 A DE2521969 A DE 2521969A DE 2521969 A1 DE2521969 A1 DE 2521969A1
- Authority
- DE
- Germany
- Prior art keywords
- pyridine
- halomagnesium
- bipyridyl
- parts
- halogen
- 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.)
- Pending
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)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2289074 | 1974-05-22 | ||
| GB4948774A GB1442096A (en) | 1974-05-22 | 1974-11-15 | Process for the manufacture of 2/2 and 4/4-bipyridyls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2521969A1 true DE2521969A1 (de) | 1975-12-04 |
Family
ID=26256169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752521969 Pending DE2521969A1 (de) | 1974-05-22 | 1975-05-16 | Verfahren zur herstellung von 2,2'- und 4,4'-bipyridylen |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3962268A (cg-RX-API-DMAC10.html) |
| JP (1) | JPS50160279A (cg-RX-API-DMAC10.html) |
| DE (1) | DE2521969A1 (cg-RX-API-DMAC10.html) |
| FR (1) | FR2272083A1 (cg-RX-API-DMAC10.html) |
| GB (1) | GB1442096A (cg-RX-API-DMAC10.html) |
| IT (1) | IT1037981B (cg-RX-API-DMAC10.html) |
| NL (1) | NL7505885A (cg-RX-API-DMAC10.html) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101883757B (zh) * | 2007-12-21 | 2013-06-12 | 株式会社可乐丽 | 6-卤代-3-芳基吡啶衍生物的制备方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1399099A (en) * | 1971-11-15 | 1975-06-25 | Ici Ltd | Manufacture of bipyridyls |
-
1974
- 1974-11-15 GB GB4948774A patent/GB1442096A/en not_active Expired
-
1975
- 1975-05-02 US US05/574,089 patent/US3962268A/en not_active Expired - Lifetime
- 1975-05-09 IT IT23166/75A patent/IT1037981B/it active
- 1975-05-16 DE DE19752521969 patent/DE2521969A1/de active Pending
- 1975-05-20 NL NL7505885A patent/NL7505885A/xx unknown
- 1975-05-21 FR FR7515793A patent/FR2272083A1/fr not_active Withdrawn
- 1975-05-22 JP JP50061414A patent/JPS50160279A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL7505885A (nl) | 1975-11-25 |
| JPS50160279A (cg-RX-API-DMAC10.html) | 1975-12-25 |
| GB1442096A (en) | 1976-07-07 |
| US3962268A (en) | 1976-06-08 |
| FR2272083A1 (cg-RX-API-DMAC10.html) | 1975-12-19 |
| IT1037981B (it) | 1979-11-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHJ | Non-payment of the annual fee |