Process for the separation of enantiomers of piperazine derivatives
US10344021B2 · kind B2 · utility
15Cited by
0References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 24, 2017 |
| Grant date | Jul 9, 2019 |
| Priority date | — |
| Expiry date | Feb 24, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B2200/07
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a process for preparing either enantiomer of a compound of formula (I), wherein X, Y and n have the meaning given in claim 1, with high enantiomeric excess (e.e.), by chiral resolution in the presence of a non-racemic, chiral acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.