Process for the preparation of morphologically homogeneous forms of thiazole derivatives
US4894459A · kind A · utility
12Cited by
2References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 4, 1987 |
| Grant date | Jan 16, 1990 |
| Priority date | — |
| Expiry date | Aug 4, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D277/42
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to two morphologically homogeneous forms of Famotidine [chemical name: N-sulfamoyl-3-(2-guanidino-thiazole-4-yl-methylthio)-propionamidine]. Said forms are prepared by selective crystallisation or precipitation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.