Patent · US Expired

Process for the simultaneous halogenation and fluorination of aromatic derivatives

US4575571A · kind A · utility

2Cited by
6References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 22, 1984
Grant dateMar 11, 1986
Priority date
Expiry dateJun 22, 2004

Classification

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

Abstract

A process for the stimulaneous halogenation and fluorination of aromatic derivatives substituted by at least one group containing a halogenoalkyl unit. The aromatic derivative is reacted with the halogen in liquid hydrofluoric acid. The products obtained are useful as intermediates for the synthesis of compounds having a plant-protecting or pharmaceutical activity.

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