Process for the preparation of d-threo-ritalinic acid salts via novel salts of intermediate thereof
US9278928B2 · kind B2 · utility
0Cited by
3References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 21, 2013 |
| Grant date | Mar 8, 2016 |
| Priority date | — |
| Expiry date | Oct 21, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D211/34
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a process for the preparation of d-threo-ritalinic acid salt thereof. More particularly, the present invention relates a process for the preparation of d-threo-ritalinic acid salt via novel organic salts of intermediate thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.