DK133432C - - Google Patents
Info
- Publication number
- DK133432C DK133432C DK378674A DK378674A DK133432C DK 133432 C DK133432 C DK 133432C DK 378674 A DK378674 A DK 378674A DK 378674 A DK378674 A DK 378674A DK 133432 C DK133432 C DK 133432C
- Authority
- DK
- Denmark
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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK378674A DK133432B (da) | 1974-07-15 | 1974-07-15 | Fremgangsmåde til fremstilling af allopurinol. |
| JP1105375A JPS518290A (ja) | 1974-07-15 | 1975-01-28 | Aropurinoorunoseiho |
| NL7507554A NL7507554A (en) | 1974-07-15 | 1975-06-25 | Allopurinol prodn in high yield - by reacting ethoxymethylenecyanoethyl acetate with hydrazine then with formamide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK378674A DK133432B (da) | 1974-07-15 | 1974-07-15 | Fremgangsmåde til fremstilling af allopurinol. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK378674A DK378674A (cg-RX-API-DMAC7.html) | 1976-01-16 |
| DK133432B DK133432B (da) | 1976-05-17 |
| DK133432C true DK133432C (cg-RX-API-DMAC7.html) | 1976-10-11 |
Family
ID=8126758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK378674A DK133432B (da) | 1974-07-15 | 1974-07-15 | Fremgangsmåde til fremstilling af allopurinol. |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS518290A (cg-RX-API-DMAC7.html) |
| DK (1) | DK133432B (cg-RX-API-DMAC7.html) |
| NL (1) | NL7507554A (cg-RX-API-DMAC7.html) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102643279A (zh) * | 2012-02-09 | 2012-08-22 | 临海市恒源化工有限公司 | 一种别嘌醇的合成方法 |
-
1974
- 1974-07-15 DK DK378674A patent/DK133432B/da not_active IP Right Cessation
-
1975
- 1975-01-28 JP JP1105375A patent/JPS518290A/ja active Pending
- 1975-06-25 NL NL7507554A patent/NL7507554A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| NL7507554A (en) | 1976-01-19 |
| DK133432B (da) | 1976-05-17 |
| JPS518290A (ja) | 1976-01-23 |
| DK378674A (cg-RX-API-DMAC7.html) | 1976-01-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PBP | Patent lapsed |