Patent · US Expired

Process for producing sulfone containing thiophenols

US3949002A · kind A · utility

49Cited by
3References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 29, 1971
Grant dateApr 6, 1976
Priority date
Expiry dateOct 29, 1991

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C323/00
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A method for the preparation of aromatic thiols which comprises reacting a benzenoid compound having at least one halogen atom activated by an inert electron-attracting group with an alkali metal disulphide in stoichiometric proportion of from 1.0 to 2.0 moles per gram atom of activated halogen to be replaced.

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