Process for the synthesis of 9-hydroxy risperidone (paliperidone)
US7915412B2 · kind B2 · utility
0Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 14, 2007 |
| Grant date | Mar 29, 2011 |
| Priority date | — |
| Expiry date | Aug 14, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P25/18
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a process for preparing paliperidone from its intermediate 3-(2-chloroethyl)-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrrido[1,2-a]-pyrimidin-4-one.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.