Patent · US Expired

Process for the preparation of sulphinyl derivatives by oxidation of the corresponding sulfides

US7105681B2 · kind B2 · utility

4Cited by
0References
18Claims
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Assignee

Inventors

Key dates

Filing dateJun 10, 2005
Grant dateSep 12, 2006
Priority date
Expiry dateJun 10, 2025

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D401/12
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Process for preparing sulfinyl derivatives of Formula 2, useful as inhibitors of gastric acid secretion, comprising the selective oxidation of the corresponding sulfides of formula 1, as represented in the following schemeThe oxidation is performed with hydrogen peroxide in the presence of low amounts of a rhenium compound as catalyst, at a temperature from 0° C. to room temperature.

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