Patent · US Expired

Process for the preparation of substituted thiazolidinedione

US6632947B2 · kind B2 · utility

3Cited by
0References
33Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 8, 2001
Grant dateOct 14, 2003
Priority date
Expiry dateNov 8, 2021

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D417/14
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process for preparing a compound of formula (I, 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, 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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.