Process for the preparation of thiazolidinedione derivatives
US7351832B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | Oct 18, 2006 |
| Grant date | Apr 1, 2008 |
| Priority date | — |
| Expiry date | Oct 18, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D417/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for preparing a compound of formula (I):or a tautomeric form thereof or a pharmaceutically acceptable salt thereof, or a pharmaceutically acceptable solvate thereof, wherein: wherein A1, R1, A2 and n are as defined in relation to formula (I), characterised in that the reduction reaction is carried out using a hydrogen pressure above 20 psi; and thereafter if required forming a pharmaceutically acceptable salt and/or a pharmaceutically acceptable solvate of the compound of formula (I).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.