CH491935A - Verfahren zur Herstellung von neuen Pyrazin-(2,3-b)-pyrazinen - Google Patents
Verfahren zur Herstellung von neuen Pyrazin-(2,3-b)-pyrazinenInfo
- Publication number
- CH491935A CH491935A CH215768A CH215768A CH491935A CH 491935 A CH491935 A CH 491935A CH 215768 A CH215768 A CH 215768A CH 215768 A CH215768 A CH 215768A CH 491935 A CH491935 A CH 491935A
- Authority
- CH
- Switzerland
- Prior art keywords
- pyrazines
- preparation
- new pyrazine
- pyrazine
- new
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
- C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
- C07D487/04—Ortho-condensed systems
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT1263867 | 1967-02-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH491935A true CH491935A (de) | 1970-06-15 |
Family
ID=11142393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH215768A CH491935A (de) | 1967-02-15 | 1968-02-14 | Verfahren zur Herstellung von neuen Pyrazin-(2,3-b)-pyrazinen |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3472849A (de) |
| BE (1) | BE710794A (de) |
| CH (1) | CH491935A (de) |
| DE (1) | DE1695829A1 (de) |
| DK (1) | DK122457B (de) |
| ES (1) | ES350490A1 (de) |
| FR (2) | FR1560634A (de) |
| GB (1) | GB1145730A (de) |
| IL (1) | IL29461A (de) |
| NL (1) | NL141384B (de) |
| SE (1) | SE337034B (de) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2345237A (en) * | 1941-10-24 | 1944-03-28 | Carbide & Carbon Chem Corp | Piperazino-piperazines |
| US2345236A (en) * | 1941-10-24 | 1944-03-28 | Carbide & Carbon Chem Corp | Process for making piperazine compounds |
-
1968
- 1968-02-02 NL NL686801543A patent/NL141384B/xx unknown
- 1968-02-10 DE DE19681695829 patent/DE1695829A1/de active Pending
- 1968-02-12 IL IL29461A patent/IL29461A/en unknown
- 1968-02-12 DK DK52968AA patent/DK122457B/da unknown
- 1968-02-12 US US704511A patent/US3472849A/en not_active Expired - Lifetime
- 1968-02-12 FR FR1560634D patent/FR1560634A/fr not_active Expired
- 1968-02-13 FR FR139663A patent/FR8364M/fr not_active Expired
- 1968-02-13 GB GB7063/68A patent/GB1145730A/en not_active Expired
- 1968-02-14 SE SE01918/68A patent/SE337034B/xx unknown
- 1968-02-14 CH CH215768A patent/CH491935A/de not_active IP Right Cessation
- 1968-02-14 ES ES350490A patent/ES350490A1/es not_active Expired
- 1968-02-14 BE BE710794D patent/BE710794A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1695829A1 (de) | 1972-03-02 |
| FR8364M (de) | 1971-02-15 |
| SE337034B (de) | 1971-07-26 |
| GB1145730A (en) | 1969-03-19 |
| IL29461A (en) | 1972-01-27 |
| DK122457B (da) | 1972-03-06 |
| NL141384B (nl) | 1974-03-15 |
| FR1560634A (de) | 1969-03-21 |
| US3472849A (en) | 1969-10-14 |
| BE710794A (de) | 1968-08-14 |
| ES350490A1 (es) | 1969-05-01 |
| NL6801543A (de) | 1968-08-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |