Patent · US Expired

Synthesis for 2,3-dichloro-4-(hydroxybenzoyl)phenol

US4268691A · kind A · utility

3Cited by
1References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 9, 1979
Grant dateMay 19, 1981
Priority date
Expiry dateAug 9, 1999

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C45/46
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

By condensation of anisoyl chloride with 2,3-dichloroanisole under proper conditions, 2,3-dichloro-4-(hydroxybenzoyl)phenol is obtained directly.

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