Preparation of pharmaceutical salts
US7534884B2 · kind B2 · utility
1Cited by
2References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 30, 2005 |
| Grant date | May 19, 2009 |
| Priority date | — |
| Expiry date | Oct 8, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
In one embodiment, the present invention discloses a process to directly prepare an unequal ratio of rotamers of an acid salt from a basic compound, by creative choice of a solvent medium. The process is particularly useful in preparing specific rotamers of pharmaceutically useful salts in desired preponderance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.