Method for the preparation of citalopram or S-citalopram
US6566540B2 · kind B2 · utility
3Cited by
19References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 3, 2002 |
| Grant date | May 20, 2003 |
| Priority date | — |
| Expiry date | May 3, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P25/24
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method for the preparation of S-citalopram comprising reaction of a compound of Formula (IV), wherein R is C1-6 alkyl, acyl, C1-6 alkylsulfonyl or arylsulfonyl, with 3-(N,N-dimethylamino)-propyl magnesium halide, to prepare citalopram.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.