Process for the preparation of substituted thiazolidinedione

C - Chemistry – Metallurgy – 07 – D

Patent

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C07D 277/34 (2006.01) C07D 263/36 (2006.01) C07D 417/06 (2006.01) C07D 417/10 (2006.01) C07D 417/12 (2006.01) C07D 417/14 (2006.01)

Patent

CA 2281695

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: J represents O or S; T represents a substituted or unsubstituted aryl group and T1 is O or S; which process comprises reducing a compound of formula (II) or a tautomeric form thereof or a salt thereof or a solvate thereof, wherein T and T1 are as defined in relation to formula (I), with a complex hydride reducing agent or a source of a complex hydride reducing agent; and thereafter, as required, preparing a pharmaceutically acceptable salt or a pharmaceutically acceptable solvate of the compound of formula (I) or a tautomeric form thereof.

L'invention concerne un procédé de préparation d'un composé de la formule (I), ou une forme tautomère ou un sel ou un solvate de celui-ci, acceptables sur le plan pharmacologique. Dans cette formule J représente O ou S, T représente un groupe aryle substitué ou non et T<1> représente O ou S. Ce procédé consiste à réduire un composé de la formule (II) ou une forme tautomère ou un sel ou solvate de celui-ci, formule dans laquelle R et T<1> sont tels que définis dans la formule (I), à l'aide d'un agent réducteur d'hydrure complexe, ou d'une source d'agent réducteur d'hydrure complexe, et ensuite, le cas échéant, à préparer un sel ou un solvate, acceptable sur le plan pharmacologique, du composé de la formule (I), ou une forme tautomère de celui-ci.

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