Processes for the preparation of dipyridamole
US9381197B2 · kind B2 · utility
0Cited by
2References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2014 |
| Grant date | Jul 5, 2016 |
| Priority date | — |
| Expiry date | Dec 18, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D487/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to the active pharmaceutical ingredient dipyridamole. In particular, it relates to efficient processes for the preparation of dipyridamole which are amenable to large scale commercial production and provide the required product with improved yield and purity. The present invention also relates to a novel crystallization method for the purification of dipyridamole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.