Patent · US Active

Process for preparing ring-fluorinated aromatics

US7803941B2 · kind B2 · utility

0Cited by

6References

7Claims

0Family size

Assignee

LANXESS Deutschland GmbH · DE

Inventors

Axel Pleschke
Albrecht Marhold · Leverkusen, DE

Key dates

Filing date	Mar 11, 2008
Grant date	Sep 28, 2010
Priority date	—
Expiry date	Mar 11, 2028

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D213/61
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to an improved process for preparing ring-fluorinated aromatics of the general formula (I)by a halogen exchange reaction (halex reaction) of a plurality of halogen substituents in one stage in the presence of a catalyst.

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