Process for the nuclear chlorination of aromatic hydrocarbons

US5315049A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Heinrich Schrage · Krefeld, DE
• Helmut Fiege · Leverkusen, DE

Key dates

• Filing date: Aug 18, 1993
• Grant date: May 24, 1994
• Expiry date: Aug 18, 2013

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J2231/40
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

Alkylaromatics are subjected to nuclear chlorination in the liquid phase in the presence of Friedel-Crafts catalyst mixtures comprising compounds of iron and antimony and cocatalysts of the formula (II) ##STR1## wherein the substituents have the meaning given in the description.