Process for the preparation of 2-(4-alkyl-1-piperazinyl)-benzaldehyde and -benzylidenyl compounds
US6608195B2 · kind B2 · utility
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21Claims
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Key dates
| Filing date | Aug 29, 2002 |
| Grant date | Aug 19, 2003 |
| Priority date | — |
| Expiry date | Aug 29, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D279/12
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a novel process for the preparation of a compound of formula I: wherein R1 is defined herein and compounds of formula II: wherein R1 and R2 are defined herein. Said compound of formula I is useful in the treatment of various central nervous system disorders including depression.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.