Chiral resolution process
US5457201A · kind A · utility
3Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 17, 1995 |
| Grant date | Oct 10, 1995 |
| Priority date | — |
| Expiry date | Jan 17, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D401/06
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A chiral resolution process is described for the purification of a substituted chiral quinazoline, by salt formation with a resolving agent, followed by crystallization.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.