Patent · US Expired

Process for oxidizing a phenol to a p-benzoquinone

US4522757A · kind A · utility

6Cited by
5References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 30, 1983
Grant dateJun 11, 1985
Priority date
Expiry dateAug 30, 2003

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C50/02
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Phenol or a substituted phenol is oxidized to the corresponding benzoquinone or substituted benzoquinone in the presence of a copper halide or copper nitrate catalyst promoted with an oxide or hydroxide of a Group II metal.

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