ATE156824T1 - Verfahren zur herstellung von pyrido(1,2- a>pyrimidinderivaten - Google Patents
Verfahren zur herstellung von pyrido(1,2- a>pyrimidinderivatenInfo
- Publication number
- ATE156824T1 ATE156824T1 AT91305591T AT91305591T ATE156824T1 AT E156824 T1 ATE156824 T1 AT E156824T1 AT 91305591 T AT91305591 T AT 91305591T AT 91305591 T AT91305591 T AT 91305591T AT E156824 T1 ATE156824 T1 AT E156824T1
- Authority
- AT
- Austria
- Prior art keywords
- pyrimidine derivatives
- pyrido
- producing
- producing pyrido
- derivative
- Prior art date
Links
- CZPWVGJYEJSRLH-UHFFFAOYSA-N Pyrimidine Chemical class C1=CN=CN=C1 CZPWVGJYEJSRLH-UHFFFAOYSA-N 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 229940083082 pyrimidine derivative acting on arteriolar smooth muscle Drugs 0.000 title 1
- 150000003930 2-aminopyridines Chemical class 0.000 abstract 1
- VFMCUTPRJLZEEW-UHFFFAOYSA-N 4h-pyrido[1,2-a]pyrimidine Chemical class C1=CC=CN2CC=CN=C21 VFMCUTPRJLZEEW-UHFFFAOYSA-N 0.000 abstract 1
- 239000000043 antiallergic agent Substances 0.000 abstract 1
- JUINSXZKUKVTMD-UHFFFAOYSA-N hydrogen azide Chemical class N=[N+]=[N-] JUINSXZKUKVTMD-UHFFFAOYSA-N 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000005580 one pot reaction Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
- C07D471/04—Ortho-condensed systems
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16361890 | 1990-06-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE156824T1 true ATE156824T1 (de) | 1997-08-15 |
Family
ID=15777354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT91305591T ATE156824T1 (de) | 1990-06-21 | 1991-06-20 | Verfahren zur herstellung von pyrido(1,2- a>pyrimidinderivaten |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5254688A (de) |
| EP (1) | EP0462834B1 (de) |
| AT (1) | ATE156824T1 (de) |
| CA (1) | CA2044796C (de) |
| DE (1) | DE69127238T2 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HUT64064A (en) * | 1992-02-13 | 1993-11-29 | Chinoin Gyogyszer Es Vegyeszet | Process for producing puyrido/1,2-a/pyrimidine derivatives and pharmaceutical compositions comprising same as active ingredient |
| ITMI20011764A1 (it) * | 2001-08-10 | 2003-02-10 | Dinamite Dipharma Spa | Metodo per l'ottenimento del pemirolast ad elevata purezza |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4474953A (en) * | 1982-09-09 | 1984-10-02 | Riker Laboratories, Inc. | Process and intermediates for the preparation of 3(1H-tetrazol-5-yl)-4H-pyrido[1,2-a]pyrimidin-4-ones |
| JPS63246374A (ja) * | 1987-04-02 | 1988-10-13 | Tokyo Tanabe Co Ltd | ピリド〔１，２−ａ〕ピリミジン化合物の製造法 |
| CA2010336C (en) * | 1989-02-27 | 1996-11-19 | Atsunori Sano | Process for producing pyrido[1,2-a]pyrimidine derivative |
-
1991
- 1991-06-17 CA CA002044796A patent/CA2044796C/en not_active Expired - Fee Related
- 1991-06-19 US US07/717,591 patent/US5254688A/en not_active Expired - Fee Related
- 1991-06-20 EP EP91305591A patent/EP0462834B1/de not_active Expired - Lifetime
- 1991-06-20 AT AT91305591T patent/ATE156824T1/de not_active IP Right Cessation
- 1991-06-20 DE DE69127238T patent/DE69127238T2/de not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0462834B1 (de) | 1997-08-13 |
| US5254688A (en) | 1993-10-19 |
| CA2044796A1 (en) | 1991-12-22 |
| DE69127238D1 (de) | 1997-09-18 |
| EP0462834A1 (de) | 1991-12-27 |
| DE69127238T2 (de) | 1998-02-12 |
| CA2044796C (en) | 2001-10-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |