Process for producing 2,5-dihalophenolethers

US9957212B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Eric George Klauber · Bad Dürkheim, DE
• Michael Rack · Eppelheim, DE
• Thomas Zierke · Böhl-Iggelheim, DE
• Nicole Holub · Mannheim, DE
• Gerald Schmelebeck · Buna, US
• Junmin JI · Beaumont, US
• David A. Cortes · Fairless Hills, US

Key dates

• Filing date: Feb 19, 2015
• Grant date: May 1, 2018
• Expiry date: Apr 27, 2035

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C51/285
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to a process for providing a compound of formula (IV):wherein R1 and R2 are each independently C1-C4 alkyl, and Hal is independently Cl or Br, the process comprising the steps of: (i) reacting a compound of formula (II)wherein R1 and Hal is defined as above, to obtain a compound of formula (III)wherein R1 and Hal is defined as above, and (ii) reacting the compound of formula (III) to obtain the compound of formula (IV).