Patent · US Expired

Method for preparing sulfone or sulfoxide compound

US6916938B2 · kind B2 · utility

15Cited by
4References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 23, 2003
Grant dateJul 12, 2005
Priority date
Expiry dateMay 12, 2023

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D333/76
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

There is provided a method for preparing a sulfone or sulfoxide compound, characterized in that a sulfide compound is allowed to react with hydrogen peroxide in the presence of a metal oxide catalyst formed by the reaction of hydrogen peroxide with at least one metal or metal compound selected from tungsten metal; molybdenum metal; a tungsten compound comprising tungsten and a Group IIIb, IVb, Vb, or VIb element exclusive of oxygen; and a molybdenum compound comprising molybdenum and a Group IIIb, IVb, Vb, or VIb element exclusive of oxygen.

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