BE739697A - - Google Patents
Info
- Publication number
- BE739697A BE739697A BE739697DA BE739697A BE 739697 A BE739697 A BE 739697A BE 739697D A BE739697D A BE 739697DA BE 739697 A BE739697 A BE 739697A
- Authority
- BE
- Belgium
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)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB47023/68A GB1283693A (en) | 1968-10-03 | 1968-10-03 | Preparation of 2,2'-bipyridyls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE739697A true BE739697A (xx) | 1970-04-01 |
Family
ID=10443427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE739697D BE739697A (xx) | 1968-10-03 | 1969-10-01 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3697534A (xx) |
| JP (1) | JPS4931988B1 (xx) |
| BE (1) | BE739697A (xx) |
| DE (1) | DE1950074A1 (xx) |
| FR (1) | FR2019862A1 (xx) |
| GB (1) | GB1283693A (xx) |
| NL (1) | NL6914937A (xx) |
| ZA (1) | ZA696953B (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1399099A (en) * | 1971-11-15 | 1975-06-25 | Ici Ltd | Manufacture of bipyridyls |
| JPS5642561A (en) * | 1979-09-17 | 1981-04-20 | Daiko:Kk | Preparation of solid wasabi (japanese horseradish) |
| US4966972A (en) * | 1989-01-19 | 1990-10-30 | Reilly Industries, Inc. | Process and catalyst for the preparation of 2,2'-bipyridyls |
| US5221747A (en) * | 1989-01-19 | 1993-06-22 | Reilly Industries, Inc. | Improved process and catalyst for the preparation of 2,2' bipyridyls |
-
1968
- 1968-10-03 GB GB47023/68A patent/GB1283693A/en not_active Expired
-
1969
- 1969-10-01 US US862944A patent/US3697534A/en not_active Expired - Lifetime
- 1969-10-01 BE BE739697D patent/BE739697A/xx unknown
- 1969-10-02 ZA ZA696953A patent/ZA696953B/xx unknown
- 1969-10-02 NL NL6914937A patent/NL6914937A/xx unknown
- 1969-10-03 FR FR6933938A patent/FR2019862A1/fr not_active Withdrawn
- 1969-10-03 DE DE19691950074 patent/DE1950074A1/de active Pending
- 1969-10-03 JP JP44078907A patent/JPS4931988B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| ZA696953B (en) | 1971-05-27 |
| DE1950074A1 (de) | 1970-04-16 |
| GB1283693A (en) | 1972-08-02 |
| JPS4931988B1 (xx) | 1974-08-27 |
| US3697534A (en) | 1972-10-10 |
| FR2019862A1 (xx) | 1970-07-10 |
| NL6914937A (xx) | 1970-04-07 |